Tungsten filament is the element found in light bulbs. Which
subatomic particles surrounding the nucleus of tungsten are responsible for the
continuous spectrum observed?

Answers

Answer 1

Electrons subatomic particles surrounding the nucleus of tungsten are responsible for the continuous spectrum observed.

What are 3 the subatomic particles?

These particles are commonly referred to as subatomic particles since they are the building blocks of atoms. There are protons, neutrons, and electrons, three types of subatomic particles. Protons and electrons, two of the subatomic particles, each have an electrical charge of one or the other.

How do subatomic particles function?

Two crucial functions for subatomic particles in the construction of matter. They serve as both the universe's fundamental building blocks and the glue that connects them. Although the atoms that play these various jobs belong to two separate categories, they do have some things in common, most notably size.

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Related Questions

does backing contains metallic and non-metallic elements? which ones are which?

Answers

Baking soda contains one metallic element which is sodium (Na). It is classified under the alkali metal category. I’m not sure if this is what your talking about

If the acetic acid being titrated here were replaced by hydrochloric acid, would the amount of base needed to reach the equivalence point change?.

Answers

yes, the equivalence point would change as acetic acid is a weak acid and dissociates partially but hydrochloric acid is a strong acid and dissociates completely.

Between equivalence and endpoint, what is the difference?

Equivalence and endpoint differ primarily in that the former refers to the point at which a chemical reaction ends and the latter, to the time at which a system's color changes.

Define equivalence point.

When enough titrant has been administered to entirely neutralize the analyte solution in a titration, this is known as the equivalence point. The titrant (standard solution) has a molecular weight that is equal to the moles of the solution with the unknown concentration.

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In a parallel circuit with identical light bulbs, which of these is true? A A battery is not the source of voltage. B There is only one resistor, such as a light bulb. C The circuit is left open so that current cannot flow. D Adding more identical light bulbs will not change their brightness.

Answers

In a parallel circuit with identical light bulbs, the statement D is true. D Adding more identical light bulbs will not change their brightness.

A parallel circuit has two or more paths for modern to waft through. Voltage is equal across everything of the parallel circuit. The sum of the currents thru each route is equal to the entire modern that flows from the supply.

A parallel circuit has one feature: to preserve the power flowing while one pathway is interrupted. A top instance is mild furnishings that use more than one mild bulb. when an unmarried bulb within the fixture goes the light fixture maintains to operate.

In a chain circuit, the modern-day thru every one of the additives is the same, and the voltage across the circuit is the sum of the voltages throughout every issue. In a parallel circuit, the voltage across every one of the components is equal, and the total cutting edge is the sum of the currents via each element.

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How did the Bronsted-Lowry acid-base theory clarify what Svante Arrhenius was not able to explain in his theory of acids and bases regarding ammonia?​

Answers

The Bronsted-Lowry acid-base theory clarifies what Svante Arrhenius were not able to explain in their theory of acids and bases regarding ammonia as -

Svante Arrhenius theory states that -

In order for a substance to release H⁺ or OH⁻ ions, it must contain that very ion. But, this does not explain the weak base ammonia NH₃.

In Bronsted-Lowry acid-base theory -

Acids are the proton donating group while bases are the proton accepting group.

Ammonia is a nitrogen and hydrogen inorganic compound. Ammonia is a gas which is colourles, it is strong, and has a pungent smell. Its chemical formula is NH₃.

Ammonia is a stable binary hydride. It is the most basic nitrogen hydride. It is a typical nitrogenous waste, specifically among aquatic organisms. It contributes to the nutritional requirements of terrestrial organisms. It acts as a forerunner to 45 percent of the food and fertilizers all over the world.

70% of ammonia with urea and di-ammonium phosphate, is used to create fertilizers. It is available in a variety of shapes and compositions. The pure ammonia is spread onto the ground.

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An atom of Iron contains 27 neutrons. What is its mass number?

Answers

Answer:

53

Explanation:

Iron has atomic number of 26

so mass number is 26 + 27 = 53

Iron atoms contain 27 neutrons. It has a mass of 53.

What is mass number?Rutherford demonstrated that an atom's nucleus, which is made up of protons and neutrons, contains the vast bulk of the atom's mass. The total number of protons and neutrons in an atom is referred to as the mass number. The atomic number (number of protons and neutrons) and their sum can be used to compute it.Mass number = atomic number + number of neutron. All atoms of an element have the same amount of protons, although they can have different numbers of neutrons. As a result, various isotopes of the same element can have different mass values.An electron weighs practically nothing. As a result, an atom's atomic mass and mass number are practically equal.

Therefore,

Mass number= no. of proton + no. of neutrons

Atomic number= no. of proton = 26

Mass number = 26+27

= 53

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8. In the lab, you are asked to prepare 150 mL of an 85 g/L solution and then use the original
solution to make 500 mL of a 50 g/L solution.
a) How much solute is needed to prepare the original solution? (Think: C = M/V)
b) How much of the original solution (mL) is needed to make the diluted solution?

Answers

For the original solution,

Concentration = 85g/L = 85g/1000ml

Required Volume = 150ml

(a)

Concentration = Mass/Volume

⇒ 85g/1000ml = Mass of the solute/150ml

⇒ Mass of the solute = 85 x 150/1000

⇒ Mass of the solute = 12.75 grams

Hence, 12.75 grams of the solute is required to prepare the original solution.

(b)

Now,

Concentration of the original solution = 85g/L = M1

Required concentration = 50g/L = M2

Final Volume = 500 ml = V2

Required Volume from the original solution = V1 =?

As we know,

M1V1 = M2V2

Hence,

85g/L x V1 = 500 ml x 50g/L

⇒ V1 = 500 X 50 / 85

⇒ V1 = 294.11 ml

Therefore, 294.11 ml of the original solution is required to make the diluted solution.

What is a Stock solution?A stock solution is a very potent mixture. These solutions are quite helpful since we may take a small amount of the stock solution and dilute it to the required concentration. These ready-to-use chemical reagents can be prepared quickly thanks to these stock solutions. It also aids in material conservation. As a result, just the amount of stock and solvent required for the dilution process is consumed when utilizing a stock solution to low-concentrated solution. Because we simply need to dilute the stock solution instead of preparing the solution using many reagents and complex procedures, it is also crucial to conserve storage space. Additionally, it enhances experiment accuracy.A chemical reagent is present in vast quantities as a stock solution. It has a uniform concentration. Examples of typical stock solutions in laboratories are sodium hydroxide and hydrochloric acid. These play a critical role in creating titration-related solution preparations.

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How many of each element would you find in AI(NO3)3?
a. Aluminum : _________

b. Hydrogen : __________

c. Oxygen : _____________

Answers

Answer:

you will find 3 in aluminium

hydrogen should be b 3

and oxygen is 9

what is the identity of the element that produced the unknown emission spectrum and what information does the spectrum give about the source of the element?

Answers

Each atom has a wide range of potential electron transitions. There is a distinct energy differential for each transition. An emission spectrum is made up of these transitions. Similar to how fingerprints are unique to individuals, these emission spectra are to each element.

What is  emission spectrum?

The electromagnetic radiation spectrum produced when an electron changes from a high energy state to a lower energy state is known as the emission spectrum of a chemical element or chemical compound. The energy difference between the two states is equal to the photon energy of the emitted photon.

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Read this paragraph.

Omar is looking forward to summer. He’ll be in the Juniors group on his swim team, and he expects the tough competition will help him improve his backstroke time. He is also looking forward to a trip to the mountains with his grandparents. If he can save $75 before the trip, he wants to try the mountain zip line described as "not for the faint of heart.” Unfortunately, Omar’s earning potential is limited. At 14 years old, it’s tough to get a "real” job, and the other prospects are limited. Omar asked a few neighbors about mowing their yards, but everyone prefers to mow their own. He has considered offering babysitting services to his aunt, but the thought of watching his wild little cousins is not appealing.

Omar is facing a problem with
.

Answers

Omar is facing a problem with money.

Is earnings the same as profit?

Businesses typically use earnings and revenue to describe their financial performance over a period of time. Profit and turnover are the two most valuable numbers in a company's financial statements.

Revenue is the total money a company earns from the sale of goods and services. Income is called the top line because it is at the top of the company's income statement, which also refers to the company's gross sales. Income is the income received before expenses are deducted. Turnover is also called turnover in some companies, because turnover includes potential returns from customers.

Profit, on the other hand, reflects the bottom line of the income statement and is the profit the company earned during the period. The profit indicator is entered in the net result of the profit and loss statement. When investors and analysts talk about a company's performance, they are talking about the company's net income or earnings.

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calculate the molar concentration of the solution formed when 8g of sodiumhydroxide is dissolved in 1dm³of water​

Answers

Answer:

wow I can't believe you. your cheating I'm giving you a f on this. unless you tell me in front of the class that you cheated. I'm joking man but seriously I don't know

which solution is a buffer? which solution is a buffer? a solution that is 0.100 m in hno2 and 0.100 m in hcl a solution that is 0.100 m in hno2 and 0.100 m in nano2 a solution that is 0.100 m in hno3 and 0.100 m in nano3 a solution that is 0.100 m in hno2 and 0.100 m in nacl

Answers

The solution that is a buffer is a solution that is 0.100 M in HNO₂ and 0.100 M in NaNO₂  .

A weak acid and its conjugate base, or a weak base and its conjugate acid, must be combined to create a buffer solution. Only HNO2 (Weak Acid) and NaNO2 are included in the list as an acid and its conjugate base (Conjugate Base). Given that all concentrations are equivalent, the pH of this solution would be the same as the pKa of HNO2 (3,15).

Acids that don't entirely dissociate in solution are referred to as weak acids. In other words, any acid that is not a strong acid qualifies as a weak acid. The amount of dissociation determines how strong an acid is; the more dissociation, the stronger the acid.

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I need help to answer this question. I don’t understand how to do this.

Answers

Answer: Gains an extra electron in 2p orbitals it's option Y (1s²,2s², 2p⁶

It is an active ingredient in some oral anesthetics used in sore throat sprays. What is the molar mass of phenol? please answer in g/mol to the nearest whole number.

Answers

Phenol has a molar mass of 94.11 g/mol.It is an active ingredient in many oral anesthetics that is used in sore throat sprays.

To calculate molar mass the following steps must be followed:

1) Divide the molar mass of phenol by the molar mass of carbon. This will give you the number of moles of carbon in phenol.

2) Add the number of moles of carbon to the number of moles of hydrogen. This will give you the total number of moles in phenol.

3) Multiply the total number of moles by the molar mass of carbon.

This will give you the molar mass of phenol.

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a commonly used biological buffer is a made from a weak acid/conjugate base pair called ""tris"". the pka for tris acid is 8.06. you have 1.00 liters of a solution where the concentration of tris acid (ha) is 0.200 m and the concentration of tris base (a-) is 0.150 m. what is the ph of the solution?

Answers

The pH of the solution is 7.94 if the concentration of the tris acid is 0.200m and the concentration of the conjugate base is 0.150m.

The pH of this buffer can be calculated using the Henderson-Hasselbalch equation according to which the pH is equal to the sum of the pKa value and the log of the concentration of conjugate base divided by the concentration of the weak acid.

This equation can be represented as;

pH = pKa + log ([conjugate base] ÷ [weak acid])

Substituting the given values into this equation to find the pH;

pH = 8.06 + log([0.150] ÷ [0.200])

pH = 8.06 + log(0.75)

pH = 8.06 + (-0.125)

pH = 7.94

Therefore the pH of this solution is calculated to be 7.94.

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an aqueous solution containing 9.63 g of an optically-pure compound was diluted to 2.00×102 ml with water and placed in a 20.0 cm long polarimeter tube. the measured rotation was −2.67° at 25° c. calculate the specific rotation of the compound.

Answers

Based on the optical rotation equation, the specific rotation of the compound is -27.73 °C*mL/g*dm,

The optical rotation equation looks like this:

α = [α] * c * l

α - measured optical rotation (-2.67°)
[α] - specific rotation of the compound, temperature, and wavelength used, usually in °C, although more accurately in °C*mL/g*dm

c - concentration of the compound in g/mL (9.63 g / 200 mL = 0.04815 g/mL)

l - length of the polarimeter cell in dm (20.0 cm = 2.00 dm)

If we transform the equation we get:

[α] = α / (c * l) = -2.67° / (0.04815 g/mL * 2.00 dm) = -27.73 °C*mL/g*dm

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Which of the elements shown below would you predict to be the most reactive? Justify your answer.

Answers

Answer:

Lithium is the most reactive out of them.

Explanation:

For this question, we will be looking at the valence electrons each one has. Valence electrons are the electrons that are on the outermost electron shell (the outer circle around each of them).

Lithium has 2 electron shells: the innermost has 2 electrons (this circle can only hold up to 2 electrons), and the outermost circle has 1 electron (this circle can hold up to 8 electrons).

Helium has only 1 electron shell and within it, it has 2 electrons (remember this is the maximum amount this circle can take).

Argon has 3 electron shells: the innermost has 2 electrons (the maximum this circle can have), the middle one has 8 electrons (the maximum this circle can have), and the outermost circle has 8 electrons around it (this circle also holds a maximum of 8 electrons).

Now let's look at the electrons present only on the outer shell of each of them (these are called valence electrons).

Lithium has only 1 electron on its outermost shell but this shell can have up to 8 electrons.

Helium has 2 electrons, the maximum amount that circle can have.

Argon has 8 electrons, the maximum that circle can have.

-Every atom has the goal of wanting to be stable, by completing the maximum amount on their outermost shell by either gaining or losing electrons.

Since Helium and Argon already have the maximum amount of electrons their outermost circle can have, they are already stable and neither want to gain or lose electrons.

Lithium is our only option that has an incomplete outermost electron shell with only 1 out of the 8 electrons it can have.

It is easier for Lithium to give away that 1 electron it has and then have a complete inner-circle after giving out that 1 electron (it would then look like Helium), than to gain 7 electrons and complete the circle.

This is why Lithium is very reactive, because it is constantly looking to find someone to give away their electron to and become stable. Lithium also has a charge of (+1), which means that it gives away one of its electrons.

Which of the following examples is evidence of a physical change?
A: A person inhales oxygen and exhales carbon dioxide and water.
B:Ice cream melts in a bowl.
C:A silver spoon tarnishes over time.
D:An electrical current splits water into hydrogen and oxygen.

Answers

In the given examples ice cream melts in a bowl is an example of a physical change.

A physical change occurs when a substance transforms from one state to another i.e., the change only affects its physical properties like color, volume, shape, and phase changes.

Using water as an example, if we have it at room temperature, it is a clear liquid. If we decrease the temperature below the freezing point, the water freezes and forms ice. If we increase the temperature above the boiling point, the water turns into a gas(steam). We can see that in all three forms, the water is still composed of two hydrogen atoms and one oxygen atom. Nothing is added or subtracted from it, which means the chemical composition stays the same. The transformation of water from liquid to solid or gas is an example of a physical change.

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Like ice cream because it melts in a bowl for an example

two chemicals a and b are combined to form a chemical c. the rate, or velocity, of the reaction is proportional to the product of the instantaneous amounts of a and b not converted to chemical c. initially, there are 100 grams of a and 50 grams of b, and for each gram of b, 2 grams of a is used. it is observed that 25 grams of c is formed in 7 minutes. how much is formed in 28 minutes? (round your answer to one decimal place.)

Answers

Answer:

A + B = C reaction decreases as time passes and the reactants get used up. r = -kAB during reaction A converts 2x while B converts x to form 3x of C let's say y = C y = 3x amount of reactants not converted yet , for A: 100 - 2x for B: 50 - x variatio

Explanation:

Given: 0.156M C2H4O260mL H2O4.17 pKaIn a NaOH and C2H4O2 titration

Answers

ANSWER

STEP-BY-STEP EXPLANATION

What is the equation for kinetic energy?​

Answers

KE=1/2 mV^2

m=mass

V=velocity

What are some properties of plasma?

Answers

Plasmas are less dense than solids or liquids and have no set shape or volume. Plasmas are made up of atoms with some or all of their electrons stripped away and positively charged nuclei, known as ions, roaming freely.

What is plasmas?

Plasmas is defined as a type of substance in which numerous electrons freely roam around the nuclei of the atoms.

Plasma has been referred to as the fourth state of matter, alongside solid, liquid, and gas.

When one or more electrons are ripped from an atom, they form a plasma.

Thus, plasmas are less dense than solids or liquids and have no set shape or volume. Plasmas are made up of atoms with some or all of their electrons stripped away and positively charged nuclei, known as ions, roaming freely.

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You will be preparing dilutions of the stock solution and measure their absorbances. According to beer’s law, predict how the absorbance of the stock solution will compare to the measured absorbances for the diluted solution.

Answers

Answer: As a solution is diluted, the absorbance of the solution is decreased

Explanation: As a solution is diluted, the absorbance of the solution is decreased. The concept of dilution relates molar concentration and volume.M1V1=M2V2. If a 1.0 liter of a 1.0 molar solution is diluted to 2.0 molar solution, the new molar concentration is 0.50. The new concentration has been reduced by one half as the volume was doubled.Beer's law relates the concept of concentration and absorbance. According to this law, absorbance and concentration are directly proportional. If you increase the original concentration, the absorbance increases and if you dilute the solution(which means you decrease the original concentration), the absorbance will decrease in direct proportion. ;)

According to the Beer's law the absorbance of solution is directly proportional to concentration,hence on dilution  the concentration decreases which decreases absorbance on a whole.

What is Beer's law?

The Beer's law states that  the absorbance is directly proportional to the concentration of a solution that is,A∝C .Most substances follow Beer's law  from low to moderate temperature ranges only.It is not followed well in case of saturation effects  which are present in highly concentrated samples.

Due to the direct relation between absorbance and concentration , absorbance is preferred over transmittance for recording the spectra.

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Given 6.00 moles of oxygen gas, O2 (g), how many liters will this sample occupy at STP?

A. 269 L
B. 67.2 L
C. 134 L
D. 22.4 L

Answers

Answer:

Explanation:

The only option that would have 6 moles is 67.2 L

describe how you can use the periodic table to charge of an ion?

Answers

Explanation:

To find the ionic charge of an element you'll need to consult your Periodic Table. On the Periodic Table metals (found on the left of the table) will be positive. Non-metals (found on the right) will be negative.

calculate (a) the (molar) gibbs energy of mixing, (b) the (molar) entropy of mixing when the two major components of air (nitrogen and oxygen) are mixed to form air at 298 k. the mole fractions of n2 and o2 are 0.78 and 0.22, respectively. is the mixing spontaneous?

Answers

The entropy of mixing of nitrogen and oxygen gases of mole fractions of 0.78 and 0.22 respectively is -4.34 J  and the molar Gibbs energy of mixing is - 1295.7 J. Negative sign of Gibbs energy indicates that the reaction is spontaneous.

What is spontaneous reaction?

A spontaneous reaction is the one which occurs naturally  without any urge or external factor or force. Spontaneity of a reaction can be determined from the Gibbs energy of the reaction. If Gibbs energy is negative then, the reaction is spontaneous and if positive reaction will be non- spontaneous.

Entropy of mixing is calculated using the mole fractions of the two gases Xa and Xb as written as follows:

ΔSmix =  R (Xa in Xa + Xb in Xb).

Where R is the universal gas constant equal to 8.314 J/(K mol)

We have the mole fraction of nitrogen and oxygen in the reaction. Apply these values to the equation as follows:

ΔSmix  = 8.314 (0.78 ln 0.78 + 0.22 ln 0.22)

            = -4.34 J

Molar gibbs energy of mixing  =  RT (Xa in Xa + Xb in Xb).

Thus ΔGmix = TΔSmix

                     = 298 K × -4.34 J

                     = -1295.7 J.

Therefore, the reaction of mixing of nitrogen and oxygen is spontaneous.

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You have a solution that contains 100 ml of 1. 5 m potassium carbonate and another 100 ml solution that contains 1. 0 m fecl2 and 2. 0 m nabr. When you mix the two solutions together to form a precipitate. What is the precipitate and how much is formed assuming the insoluble product precipitates completely?.

Answers

Answer:

235

Explanation:

the element tellurium forms a(n) with the charge fill in the blank 2. the symbol for this ion is , and the name is fill in the blank 4 ion. the number of electrons in this ion is .

Answers

The element tellurium forms an ion with the charge of +4.

The symbol for this ion is Te⁴⁺ and the name is tellurium ion.

The number of electrons in this ion is 48 electrons.

What are ions?

Ions are substances that are formed when atoms of elements gain or lose electrons.

There are two types of ions based on the charge the ions carry:

Cations - they have a positive charge; for example, calcium ion, Ca²⁺, ammonium ion, NH₄⁺Anions - they have a negative charge; for example Chloride ion, Cl⁻, tetraoxosulfate (vi) ion, SO₄²⁻

Metallic atoms form cations by losing one or more electrons.

Non-metallic atoms form negative ions by gaining one or more electrons.

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Of the 6 carbons in a starting molecule of glucose, at the completion of pyruvate oxidation _____ carbons are fully oxidized to _____, while _____ carbons remain in _____.

Answers

Of the 6 carbons in a starting molecule of glucose, at the completion of pyruvate oxidation, two carbons are fully oxidized to CO2, while four carbons remain in acetyl groups.

This is further explained below.

What are acetyl groups.?

Generally, The acetyl group is a functional group that is used in organic chemistry.

Its chemical formula is [tex]COCH_3,[/tex] and its structural formula is [tex]CCH_3.[/tex]Occasionally, the sign Ac will be used to symbolize it.

In the nomenclature used by the IUPAC, acetyl is referred to as ethanol, despite the fact that very few people actually use this name. A methyl group is found inside the acetyl group, and it is single-bonded to a carbonyl.

In conclusion, At the end of the pyruvate oxidation process, two of the six carbons that were present in the glucose molecule at the beginning are converted into carbon dioxide, while the other four carbons are still present as acetyl groups.

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Please answer most of the questions.

Answers

The  statement one is incorrect because the elements in periodic table has some similarities between them they are not completely different from each other.

How come metals are reactive?

The difference in stability between the electron configurations of metals as atoms and as ions is what causes metals to be reactive. Since they are all metals, when they interact, positive ions are produced.

The second statement is right and third statement is wrong because the most reactive group is group 1 or group 7 because group 1 wants to lose one electron to become stable and halogens want to gain one electron to become stable. Chlorine belongs to group 17 halogens , it is reactive.Krypton is noble gas it is very less reactive.Magnesium belongs to alkaline earth metal . Sodium , potassium and lithium are in one group that is alkali metals.Potassium caught fire easily so it is kept in kerosene  , Sodium fizzed a lot and lithium fizzed bit.Ceisum would explode .

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Read this excerpt from Chapter 1 of Wheels of Change by Sue Macy.

Some attribute the breakthrough to Ernest Michaux, a French carriage maker, though others credit Pierre Lallement, who worked for him. At any rate, the new velocipede was propelled by pedals and cranks attached directly to the axel of the front wheel, which was slightly larger than the wheel behind it. Forward progress could be stopped or slowed by pedaling backward. However, with iron tires and only an ineffective steel spring under the seat to absorb bumps in the road, this velocipede was a challenge to ride. It quickly earned the nickname "boneshaker."

Which signal word(s) from the excerpt suggest a change of direction?

some
at any rate
forward progress
however

Answers

The word "however" from the passage from Sue Macy's book Wheels of Change denotes a shift in strategy. As a result, Option D is the appropriate statement.

What does Wheels of Change's theme entail?

The narrative "Wheels of Change" has as its central message that you should no longer be frightened to speak up for yourself and other people. This was demonstrated as girls' racing gained popularity.

Cycling has gotten more violent, and males have developed a strong concern about girls getting their rights. The Springfield Bicycle Club was established in 1881. While giving back to the community, Wheels of Change empowers citizens, boosts self-esteem, AND offers worthwhile transitional work. For $13/hour, Wheels of Change offers temporary jobs to people staying at the Temporary Bridge Shelter program run by Alpha Project.

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Other Questions
Wes wants to treat his friends to some arcade games. He has 50 game tokens. Which three responses show a number of friends Wes could divide his tokens among evenly? help meeeeeeeeeeee pleaseeeeeeeeeeeeee!! Which triangles are congruent by ASA? Match the structural formulas given to you below with the correct chemical formula from the bank above. (Image provided) Put this in to your own words will give branlyist pls helpBefore the American Civil War, eight serving presidents had owned slaves, almost four million black people remained enslaved in the South, generally only white men with property could vote, and the Naturalization Act of 1790 limited U.S. citizenship to whites.Following the Civil War, three constitutional amendments were passed, including the 13th Amendment (1865) that ended slavery; the 14th Amendment (1869) that gave black people citizenship,From 1890 to 1908, southern states passed new constitutions and laws to disenfranchise African Americans and many Poor Whites by creating barriers to voter registration; voting rolls were dramatically reduced as blacks and poor whites were forced out of electoral politics.During the same time as African Americans were being disenfranchised, white southerners imposed racial segregation by law. Violence against blacks increased, with numerous lynchings through the turn of the century. The situation for blacks outside the South was somewhat better (in most states they could vote and have their children educated, though they still faced discrimination in housing and jobs).Overall, blacks in Northern and Western cities experienced systemic discrimination in a plethora of aspects of life. Within employment, economic opportunities for blacks were routed to the lowest status and restrictive in potential mobility. After both World Wars, black veterans of the military pressed for full civil rights and often led activist movements. In 1948, President Harry Truman issued Executive Order 9981, which ended segregation in the military.The strategy of public education, legislative lobbying, and litigation that had typified the civil rights movement during the first half of the 20th century broadened after Brown to a strategy that emphasized "direct action": boycotts, sit-ins, Freedom Rides, marches or walks, and similar tactics that relied on mass mobilization, nonviolent resistance, standing in line, and, at times, civil disobedience.In the spring of 1951, black students in Virginia protested their unequal status in the state's segregated educational system. Students at Moton High School protested the overcrowded conditions and failing facility.On May 18, 1954, Greensboro, North Carolina, became the first city in the South to publicly announce that it would abide by the Supreme Court's Brown v. Board of Education ruling.Blacks in Mississippi had been disfranchised by statutory and constitutional changes since the late 19th century. In 1963 COFO held a Freedom Ballot in Mississippi to demonstrate the desire of black Mississippians to vote. More than 80,000 people registered and voted in the mock election, which pitted an integrated slate of candidates from the "Freedom Party" against the official state Democratic Party candidates. Point P represents a ship outside of a danger circle.What is mZC?6811084D812658 The economy's real GDP was $100 billion in 2019 and $240 billion in 2020. Itspopulation was 15 million in 2019 and 15 million in 2020.What is the growth rate of real GDP per capital from 2019 to 2020? As I step into the elementary schools multipurpose room, my buddy lets out a shriek and comes running up to me. She comes to an abrupt stop and suddenly becomes shy, opting for a high five rather than the bear hug Id expected. Sometimes after a long weekend, she can take a few minutes to warm up and regain our previous closeness, but Madelyns effusive greetings are something I look forward to on the days our mentoring club meets. Shes always so blatantly excited to see me that it makes me feel like a rock star or a celebrity.Now that Ive arrived, she takes my hand and leads me to the table where an array of snacksapples, carrot sticks, and popcornhave been laid out for us. Snacks in hands, we head to the configuration of tables and desks and take our seats. Between bites of apple, Madelyn prattles away, telling me about her day at school, how shes trying to master the choreography for her recital, and the funny thing her baby brother did last night and the way her mom and dad laughed. I get caught up in her wave of storytelling, and I find myself nearly in tears laughing at the image of a baby, seated in a high chair, dumping a bowl of spaghetti over his head. I know I must have been as garrulous as Madelyn is when I was her age, but I dont remember spilling all the childish details of my life to someone the way she does with me. Maybe I just didnt have anyone in my life the way I am in hers.How do the descriptive paragraphs at the beginning of the passage and the quick dialogue at the end of the passage work together to add meaning to this story?Answer choices for the above questionA.The first part of the story describes the setting in which the characters meet, while the end of the passage shows how they speak with each other.B.The first part of the story describes Madelyn and what she does in the multi-purpose room, while the end of the passage is about the narrator.C.The first part of the story gives context to the characters relationship, while the end of the passage concludes with a humorous message.D.The first part of the story gives context to the characters relationship, while the end of the passage demonstrates the value of helping others. 6 less than the number x can someone type this Volume is 7/8, length is 5/8, width is 7/9, what is height?5/8 x 7/9 x ? = 7/8 C2H4O2 IS THE EMPIRICAL FORMULA FOR GLUCOSE? help me the question please rast the answers Simplify the following expressions by using the properties of exponents. Assume none of the denominators is zero.a^3 (2a^2 + 4bc^4)^ 0 assume a company uses the weight-average method in its process costing. its work in process t-account for the refining department for august is: work in process: refining department debit credit august 1 balance 62,000 completed and transferred to finished goods ? materials 310,000 direct labor 72,000 overhead 181,000 august 31 balance ? the august 1 work in process inventory consisted of 6,000 units with $41,500 in materials cost and $20,500 in conversion cost. the august 1 work in process inventory was 100% complete with respect to materials and 40% complete with respect to conversion. during august 48,000 units were started into production. the august 31 work in process inventory consisted of 8,000 units that were 100% with respect to materials and 60% complete with respect to conversion. the materials cost included in the amount transferred from the refining department to finished goods is closest to: If sound waves travel at 350 m/s on a warm humid day. And you are submerged underwater. Is the sound you hear while below the surface traveling faster, slower or at the same rate as the sound you hear above the water? Explain your answer a monopolist or an imperfectly competitive firm practices price discrimination primarily to: a reduce marginal costs. b increase consumer surplus. c lower total costs. d increase profits. e expand plant size. 5. For the following function, evaluate f(5)-f(4), *f(x) = -2x-x+3 the problems in the interbank lending market such as those seen during the 20072009 financial crisis would have affected your ability to take out a personal loan with a bank. explain how. Use the formula for nCr to evaluate the expression. 10c3/6c4