How many cm are in 29.7km?​

Answers

Answer 1

Answer:

there are 2970000cm in 29.7km

Explanation:


Related Questions

how is the caloric value of a food sample determined?

Answers

By multiplying the total amount in grams of a given food sample by energy values established by nutritionists for the particular food type i believe

A food sample's caloric value is calculated. By dividing the total weight throughout grams of a particular food by the nutritionists' calculated energy values.

What is calorie?

The calorie is an amount of energy that derives from the outmoded caloric concept of heat. Two primary interpretations of "calorie" are frequently used due to historical factors.

The quantity of energy needed to elevate the temperature from one water molecule through one degree Celsius is known as a big calorie, food caloric intake, dietary calorie, simply kilogram calorie. A food sample's caloric value is calculated. By dividing the total weight throughout grams of a particular food by the nutritionists' calculated energy values.

Therefore, a food sample's caloric value is calculated. By dividing the total weight throughout grams of a particular food by the nutritionists' calculated energy values.

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The two forces acting on a boat or some other floating object are________
and gravity.​

Answers

Answer:

buoyancy. ...

Explanation:

........

Answer:

buoyancy

Explanation:

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6.(01.05 LC) Which states of matter change shape when moved?(2 points) Gases and solids Liquids and gases Liquids, solids, and gases Solids and liquids​

Answers

Answer:Gases and solids , Solids and liquids​

Explanation:

A solid has a definite shape while liquids and gases take the shape of the container in which they are found .

Hence when a substance changes it's state from gas to solid or solid to liquid, it's shape automatically changes as explained above.

what variables effect whether or not the fishing weight floats

Answers

Answer:The fishing way and how fast is going

Explanation:Because of the variables the fishing we will flow much more faster

Which process results in two identical cells?
O meiosis
O replication
O fertilization
O mitosis
May u please help i mark brainlist ! :D

Answers

Answer:

fertilization i think

Explanation:

because during fertilization process two identicle cell divisions takes place

Answer:

fertilization

Explanation:

edgenuity

Why does burned toast taste so bad? Is it a chemical or physical change?

Answers

Because things that are burnt have been changed into something else like moldy bread thats cooked.

It is chemical change because you cannot unburn something.

Answer:

It's a chemical change because I'm really good at answers

Explanation:

What is another name for Group 6A? O A. Group A6 O B. Group 6B O C. Group 16 D. Group 6​

Answers

Answer: group 16

Explanation: apex

Select the words that correctly complete the sentences. A class uses 10 students to model a lithium atom. Each student represents a particle in the atom. Three students wear signs with a “+” sign, representing (electrons / neutrons / protons). The four students with “0” signs represent (neutrons / protons / electrons ). Each of the remaining students wear a “–” sign, representing (protons / electrons / neutrons)

Answers

Answer:

Explanation:

Protons.

Electrons.

Neutrons.

I hope I helped you! :)

Lead (Pb) (average atomic mass 207.19 amu) has three naturally-occurring isotopes, Pb206, Pb207and Pb208 with isotopic masses of 205.98 amu, 206.98 amu and 207.98 amu respectively. If the isotopes Pb207and Pb208 are present in equal amounts, calculate the percent abundance of each isotope of Pb, which are, Pb206, Pb207 and Pb208.​

Answers

Answer:

pb am 207.19 amu

pb206, pb207and pb208

An aluminum cylinder has a radius of 3.2 cm and a length of 8.6 cm. What is the mass of the aluminum cylinder if aluminum has a density of 2.7 g/cm3?


please help :)

Answers

Answer:

750g of Aluminum

Assuming 8.6 cm lenth is the height of the cylinder. The volume of a cylinder is: V = [tex]\pi[/tex]*r^2*h

V = 3.14cm x 10.24cm x 3.6cm

V = 280cm^3

Now density = mass/volume

2.7g/cm^3 = mass/280cm^3

2.7g/cm^3 x 280cm^3 = mass/280cm^3 x 280cm^3

= 750g of Aluminum

3. Burns from boiling water can be severe, caused by the transfer of energy from the boiling water to the
skin as the water cools to body temperature. How much heat (kJ) is transferred from the from 15.0g
of boiling water at 100.0°C as it hits the skin and cools to 37.2°C?

Answers

Answer:

Q = 3937.56  J

Explanation:

Heat transferred due to change in temperature is given by :

[tex]Q=mc\Delta T[/tex]

c is the specific heat of water, c=4.18 J/g-°C

We have, m = 15 g, [tex]T_i=100^{\circ} C\ \text{and}\ T_f=37.2^{\circ} C[/tex]

So,

[tex]Q=15\times 4.18\times (37.2-100)\\Q=-3937.56\ J[/tex]

Hence, 3937.56  J of heat is transferred.

A 500 gram piece of metal had a volume of 2.75cm3. What is it’s density

Answers

Answer:

181.82 g/cm3

Explanation:

density is mass / volume so it is 500 / 2.75=181.82 g/cm3

Which best justifies the accuracy of the claim?

Answers

Answer:

A

Explanation:

the 2nd artical is against global warming while the first one uses scientific evidence

You have an atom with a mass number of 100 with 85 neutrons. What is this
element?

Answers

Answer:

phosphorus i believe

Explanation:

in order to find the atomic number you minus the mass number from number of neutrons then just look it up in a periodic table

The mass number of the atom is 100 and number of neutrons is 85. Then, number of protons is 15. Then, element with 15 protons and 15 electrons is phosphorous.

What is mass number ?

An atom is composed of subatomic particles electrons, protons and neutrons. Protons and neutrons are located inside the nucleus. The mass number of an atom is sum of number of protons and neutrons.

The number of electrons in an atom in its neutral state is called its atomic number. In a neutral atom, the number of electrons and proton are the same.

Give the mass number = 100

no.of neutrons = 85

no.of protons = 100 -85 =15

no.of electron = 15

Thus, atomic number = 15.

The element with atomic number of 15 is phosphorous (P).

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Determine the number of mm in 14.3cm

Answers

Answer:

143 mm . covert it an determine an individual percentage .

the atomic mass of the isotope copper-__ is 62.930 amu

Answers

the correct answer is copper 63

We have that The isotope of copper with the atomic mass of the isotope copper 62.930 amu is Cu 63

Cu 63

From the question we are told

the atomic mass of the isotope copper-__ is 62.930 amu

Generally

Copper is the 29th element of the the periodic table with an atomic mass of 29.

Copper as an elementt has 2 stable isotopes which are

Cu 63

Cu 65

Therefore

The isotope of copper with the atomic mass of the isotope copper 62.930 amu is Cu 63

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For a trip to the Moon, a rocket must lift off from
Earth's surface. Suppose it takes 5 minutes for the
rocket to reach a velocity of 6,000 m/s upward from
a starting velocity of 0 m/s. What is the rocket's
acceleration?

Answers

Answer:

20 m/s^2

Explanation:

given,

final velocity (v) = 6000m/s

initial velocity (u) = 0m/s

time taken (t) = 5 minutes

= 5×60second

= 300second

acceleration(a) = ?

we know that,

a = (v-u)/t

= (6000-0)/300

= 20 m/s^2

Use the clues you highlighted to choose the best
meaning of beat in this sentence.
Highlight the context clues that help you choose
the best meaning of the word beat.
Our family beat a retreat back to the sofa as if chased by
enemy soldiers
- "The All-American Slurp."
Lensey Namioka
O defeated
O mixed
hurried
musical rhythm

Answers

Answer:

hurried

Explanation:

because they retreated back to the couch so hurried.

Answer:

c

Explanation:


13. Adding up all of the
of all of the individual atoms within one molecule of a compound will determine the molecular mass of the compound.
A. atomic numbers
B. electrons
C. atomic masses
D. protons

Answers

Which of the changes are chemical changes

M= 34.1g V= 78.5 mL D=?

Answers

Answer:

The answer is

0.43 g/mL

Explanation:

The density of a substance can be found by using the formula

[tex]density = \frac{mass}{volume} \\ [/tex]

From the question

mass = 34.1 g

volume = 78.5 mL

The density is

[tex]density = \frac{34.1}{78 .5} \\ \approx 0.434394904...[/tex]

We have the final answer as

0.43 g/mL

Hope this helps you

Akito is warming a test tube over a Bunsen burner. He heats it too much and the glass breaks.
Which best describes what Akito should do first?
Ο Ο Ο Ο
O get paper towels
O change lab stations
turn off the burner
remove his contacts

Answers

turn off the burner

Answer:

c

Explanation:

which two models would be most useful in predicting weather​

Answers

Answer:mathematical and map

Explanation:

mathematical and map

Explanation:

An example of an extensive physical property is
Group of answer choices

mass

density

boiling point

melting point

Answers

Answer:

Mass and density is the answer?

what is the strength of alloys and what is the solubility of alloys please answer this simple question within 12 hours will mark brainliest for sure

Answers

Answer:Features very high tensile strength and toughness. Titanium alloys are light in weight, have superior corrosion resistance properties and can withstand extreme temperatures. ... Titanium alloys are heat-treated to increase their strength in terms of fracture toughness, fatigue strength and high temperature strength.35 grams is the sollubility.

Explanation:

What substance is neither an acid nor a base? How does it stay neutral? HURRY PLS

Answers

Answer:

21. Most metals are brittle.

22. increases from top to bottom within the group

23. Neon is the most stable element because its highest occupied energy level is filled.

24. transfer of electrons

25. electrons are not shared equally between atoms

26. BeCl2

27. double-replacement and decomposition

28. exothermic

29. The reaction rate decreases.

30. The salt dissolved most quickly in the warm water.

31. saturated

32. feels slippery

33. hydroxide ions in solution

34. stay about the same

35-40. I do not know.

41. a bee hovering around a bee hive

42. the number of valence electrons in atoms of the element

Explanation:

21. Metals are ductile and malleable (conveniently also characteristics for chewing gum). They are stretchy and squishy. Brittle is the opposite of stretchy and squishy, and is a characteristic of non-metals.

22. On the periodic table, elements higher up are safer to use in labs. They are safer because they are less likely to react with other substances. Therefore the tendency to react with other substances increases from top to bottom within the group.

23. "Noble gases stable" (periodic table song by ASAP Science). Neon is a noble gas, therefore it is stable. When elements have only one electron to gain or lose, they are very reactive or least stable.

24. The formation of an ionic bond (metal + non-metal) is caused by the giving and receiving of electrons. Neutrons and protons do not transfer. Electrons are shared in covalent/molecular bonds (between non-metals).

25. A polar covalent bond occurs between non-metals, therefore they share electrons (ionic bonds transfer electrons). Non-metals become anions (whereas metals become cations). Polar bonds have unequal sharing and nonpolar bonds have equal sharing.

26. A one-to-two ratio of  beryllium ions to chloride ions means for every Be, there are two Cl. The number of atoms is represented by the ratio, and the numbers of atoms are written as subscripts after the element symbol.

27. MgCO2  reacting with HNO3  to form magnesium nitrate and carbonic acid is a double-replacement reaction. The elements in the beginning substances "switch partners" to form the products.

Carbonic acid then breaks down into water and carbon dioxide is decomposition. This occurs when the elements that make up a compound are split up.

28. In 2Cu + O2  => 2CuO + 315 kJ , the energy is on the right side. The right side is the products, or the stuff that was made. kJ is a unit to measure energy, therefore energy was made. Exothermic is the term that means energy was released.

29. Since oxygen is needed for a fire to burn, decreasing the oxygen slows the reaction rate (the reaction is burning, formally known as combustion).

30. Two things help substances dissolve: heat and stirring. Warm water is hotter than room-temperature water and ice water. This makes the salt dissolve faster.

31. A solution that contains more solute than it would normally hold is saturated. Saturated means there is a more than concentrated amount of solute in the solution. Concentrated is when there is a maximum amount of solute that will dissolve.

32. Acids do not feel slippery -- that is a characteristic of a base. To remember, bases are generally soaps and soaps are slippery. Acids taste sour  and bases taste bitter. Both acids and bases change the color of an indicator .

33. A base produces hydroxide ions, represented by OH. The OH is usually at the end of the chemical formula. Acids produce hydrogen ions, generally written at the front of the chemical formula.

34. Adding a little bit of acid to a buffer will cause the pH of the solution to stay about the same, probably increase a little. Buffer solutions are meant to make the pH "buffer". To remember, DVDs used to buffer. It's the same thing as "lag" for phones.

35-40: I'm sorry, I have no answer.

41. Electrons orbit like the plants revolve around the sun. Electrons revolve around a nucleus. A bee hovering around a bee hive  is probably flying around it in circles.

42. The tendency of an element to react is closely related to the number of valence electrons in atoms of the element.  If the valency is 8, the electron shell is full. The element is stable, opposite to reactive -- this applies to all noble gases (group 8A on the periodic table). If the valency is 1 or 7, the element is very close to being stable but not, the "desire" is so great and makes the element very reactive.

the answer is water ! there are always the same concentration of hydrogen ions and hydroxide ions, meaning it is neutral.

Which of the following are false about Prokaryotic Transcription termination?
A. It can occur in a factor dependent fashion.
B. It can occur in a factor independent fashion.
C. It may involve Rho protein.
D. none of the above.

Answers

Answer: none of the above

Explanation:

In Prokaryotic Transcription termination, it should be noted that the RNA polymerase transcribes through a terminator sequence, which in turn results in the polymerase to be separated from the DNA and thereby leads to its release of the transcrip.

Prokaryotic Transcription termination can occur in a factor dependent fashion, can occur in a factor independent fashion and may involve Rho protein.

Therefore, none of the options is false.

HELP !!
Question 5 Multiple Choice Worth 3 points)
(01.04 LC)
Which of the following is not an intensive physical property?
Magnetism
Boiling point
Thermal conductivity
Volume

Answers

It would be volume.

Volume is not an intensive property because it does change as the amount of substance increases or decreases. The rest of the properties are constant no matter the amount of substance.

Answer:

Volume

Look at the guy above me, okay-- they're smarter then me-

Which statement is incorrect concerning the formation of ionic compounds?
a Halogens tend to form anions with a charge of -1.
b. Alkali metals tend to form cations with a charge of +1.
c. Metals tend to form cations, while nonmetals tend to form anions.
d. Transition metals tend to form cations with a charge of +3.
e. Noble gases tend not to form ionic compounds.​

Answers

Answer:

d. Transition metals tend to form cations with a charge of +3.

Explanation:

Which statement is incorrect concerning the formation of ionic compounds?

a. Halogens tend to form anions with a charge of -1.  TRUE. Halogens have 7 electrons in their valence shell, so they tend to gain 1 electron to fill their octet.

b. Alkali metals tend to form cations with a charge of +1.  TRUE. Alkali metals have 1 electron in their valence shell, so they tend to lose 1 electron to fill their previous octet.

c. Metals tend to form cations, while nonmetals tend to form anions.  TRUE. Metals have low electronegativity while nonmetals have high electronegativity.

d. Transition metals tend to form cations with a charge of +3.  FALSE. Transition metals form cation with numerous charges.

e. Noble gases tend not to form ionic compounds.​ TRUE. Noble gases are very stable because their octet is full.

Phil has to put the greatest number of apples and oranges in each box so each box has the same number of apples and oranges. Should Phil use the greatest common factor (GCF) or the least common multiple (LCM) to solve the problem

Answers

Answer:

GCF

Explanation: Your question says "The GREATEST number of apples and oranges" Key word is "greatest".





The elements carbon, hydrogen, oxygen, and nitrogen make up which percentage of the human body?

Answers

Answer:

96%   Hope it helps

Explanation:

Roughly 96% of the mass of the human body is made up of just four elements: oxygen, carbon, hydrogen and nitrogen, with a lot of that in the form of water. The remaining 4% is a sparse sampling of the periodic table of elements.

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