What reaction does a vitamin KH2-dependent enzyme catalyze? View Available Hint(s)
O It decarboxylates the y-carbon of a glutamate side chain.
O It carboxylates the y-carbon of an aspartate side chain.
O It carboxylates the ycarbon of a glutamate side chain.
O It carboxylates the ycarbon of a glutamine side chain.
O It carboxylates the P-carbon of a glutamate side chain.

Submit PartQ CoASH is used to activate carboxylic acids. What type of compound is formed between CoASH and a carboxylic acid? View Available Hint(s)
O anhydride
O thioether
O amide
O thioester
O mixed anhydride with phosphate

Submit ▼ Part H What role does ATP play in biotin-dependent enzymes?
O It puts a good leaving group on bicarbonate.
O It provides a strong base.
O It provides a strong nucleophile.
O It delocalizes electrons It reduces bicarbonate.

Submit Request Answer Part F TPP is the coenzyme required by pyruvate decarboxylase. What product is formed in that reaction? View Avallable Hint(s)
O acetaldehyde
O butanal
O formaldehyde
O acetone
O propanal
Submit

That creates a Na concentration gradient in the proximal convoluted tubule is Na⁺ / K⁺ pump.

The proximal convoluted tubule is the site of the reabsorption of the electrolytes , the electrolytes examples are sodium , potassium, calcium and the chloride.  the proximal tubule is the one of the major element of the kidney and is responsible for the reabsorption. That creates a Na concentration gradient in the proximal convoluted tubule is Na⁺ / K⁺ pump.

The Na⁺ / K⁺ pump is the sodium potassium pump is the active transport. The sodium / potassium pump helps to maintains the higher concentration of the sodium ( Na ) extracellularly and potassium level of intracellularly.

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Answer:

Periodic table

Explanation:

good

The moles of MgO produced in the reaction of magnesium and oxygen are 2 moles.

Magnesium oxide is created during the burning of magnesium metal when it combines with airborne oxygen. A compound is a substance made up of atoms from various elements that are chemically linked to one another. This molecule is created by the chemical interaction between oxygen and magnesium.

In the balanced chemical reaction of magnesium and oxygen is                2 Mg + O₂ ⇒ 2 MgO.

Since values are not mentioned in the question, so we are considering 2 moles of magnesium and 1 mole of oxygen.

In terms of magnesium

2 moles of  Mg ⇒ 2 moles of MgO

In terms of oxygen

1 mole of O₂ ⇒ 2 moles of MgO

Hence, magnesium and oxygen in 2:1 moles react to form magnesium oxide.

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A 0.10 M solution has a percent ionization of 1.32 %.

Any process that converts electrically neutral atoms or molecules (ions) to electrically charged molecules and atoms (ions) by gaining or losing electrons. For example, sodium chloride (NaCl) dissolves and splits its molecules into negative and positive ions.  

                   HCOOH --------------------> HCOO- + H+

intial                  0.1                                  0             0

final                  0.1-x                                x              x

[tex]Ka = \frac{HCOO^{-} H^{+} }{HCOOH}\\\\1.8 * 10^{-5} = \frac{x^{2}}{0.1 - x} \\\\1.8 * 10^{-6} = x^{2}\\[/tex]

(ignoring x in (0.1-x) as x is very small because HCOOH is weak acid)

% ionization = ([HCOO -]/[HCOOH]intial) * 100

                  = (1.34*10^-3)*100/0.1

                = 1.34 %

A 0.10 M solution, on the other hand, has a percent ionization of 1.34%.

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Answer:

CuS + 2AgNO3(aq) > Cu(NO3)2(aq) + Ag2S

Explanation:

The reaction is CuS + AgNO3(aq) > Cu(NO3)2(aq) + Ag2S

so the balanced reaction is CuS + 2AgNO3(aq) > Cu(NO3)2(aq) + Ag2S

Cu = 1

S = 1

Ag = 2

NO3 = 2

Because both treatments are non-electrolytes and produce this very same proportion of solute particles, the freezing point elevation will be identical in both solutions.

A substance is referred to as a nonelectrolyte if it doesn't conduct electricity in either the molten or watery form. Many molecules, including ethanol and sugar, include nonelectrolytes. These substances do not release ions when they mix with water.

A material is a nonelectrolyte if it does not ionize at all in water. Explanations: The majority of carbon compounds lack electrolytes. The majority of contribution of natural are fats, carbohydrates, and alcohols.

⧍T ∝ molality,

molality=mole solute/weight solvent

weight of solvent = density *volume

=1000*1 kg

= ⧍T ∝ moles

moles =given mass(m) / molecular mass(M)

=0.1/M

M of sugar(sucrose)=342

M of glucose=180

⧍T∝1/M,

= ⧍T(sugar) /⧍T(glucose)

= [1/M(sugar)] / [1/M(glucose)]

= 180/342<1

therefore,

⧍T(sugar)/⧍T(glucose)<1

⧍T(sugar)<⧍T(glucose)

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Oxidation number of C is a) +2 b) +4 c) +4 d) +3 e) -4 f) 0 g) +4 h) +6 i)+6

j) +4 k) +2 l)2.5 m) -2 n)  -1  o) +4

A) CO

x + (-2) = 0

Thus, x = +2

Oxidation number of C = +2

B) CO2

x + 2 (-2) = 0

x = +4

Oxidation number of C = +4

C) Na2CO3

2 (+1) + x + 3(-2) =0

2 + x -6 = 0

x = +4

Oxidation number of C = +4

D) Na2C2O4

2(+1) + 2x + 4(-2)

2x = +

x = +3

Oxidation number of C = +3

E) CH4

x + 4(+1) = -4

Oxidation number of C = -4

F) H2CO

2(+1) + x (-2) =0

x = 0

Oxidation number of C = 0

G) SO2

x + 2 (-2) = 0

x = +4

H) SO3

x + 3(-2) = 0

x = +6

I) Na2SO4

2(+1) + x + 2(--4)

x = +6

K) Na2SO3

2(+1) + x + 3(-2) =0

2 + x -6 = 0

x =+4

K) Na2S2O3

2(+1) + 2x + 3(-2) =0

2x = +4

x = +2

L) Na2S4O6

2(+1) + 4 x + 6(-2) =0

4x = 10

x = 2.5

M)SCl2

x + 2(-1) = 0

x = -2

N) Na2S2

2(+1) + 2x = 0

x = -1

O) SOCl2

x + -2 + 2(-1)

X = +4

An atom's hypothetical charge, or oxidation number, would be zero if all of its links to other atoms were completely ionic. It describes how much an atom in a chemical compound has oxidised (lost electrons). The oxidation state could theoretically be zero, positive, or negative. Owing to the fact that many bonds in nature exhibit high ionicity despite the absence of fully ionic bonds, the oxidation state is a good indicator of charge.

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The power output of the circuit is the product of the voltage and current passing through the circuit. Hence the power of the speaker carrying a current of 6.4 A when connected to 120 V is 768 W.

Power is the rate of work done. Its unit is Watt. Power of a device is directly proportional to the current, voltage as well as to the resistance.

The expression relating the power, current and resistance is:

P = I² R

According to Ohm's law, V = I R

Thus, P = I V.

Given that, voltage V = 120 V

current I  = 6.4 A.

Thus power  P = 120 V × 6.4 A = 768 W.

Therefore, the power of the speaker carrying a current of 6.4 A when it is connected to 120 V source is 768 Watt.

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Geothermal energy is the use of earth heat to produce electrical energy through geothermal power plants. With the corrosive chemicals of geothermal energy come some drawbacks.

The contamination of the air is one such issue. Heavy metals like sulphur, radon salts, and harmful gases that harm the ecosystem are brought up by steam from the earth. Hazardous sludge is created throughout the energy generation process, contaminating the soil and water. Heavy metals present cause pipes to corrode. Construction of geothermal facilities must be done with the utmost care to minimise influence on the local environment. In the first possibility, the chemical's hue is a physical characteristic of a substance. In the presence or absence of a specific chemical, a substance's hue serves as physical identification. Consider sulphur .

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Be has the lowest electronegativity. This is because electronegativity generally increases as you move down a group and to the right of a period, and Be is located at the top left of the periodic table.

Li has the least metallic character. This is because metallic character generally decreases as you move down a group and to the right of a period, and Li is located at the top left of the periodic table.

Mg has the largest atom. This is because atomic radius generally increases as you move down a group and to the left of a period, and Mg is located in the middle of the second period.

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The relationship between the following compounds is diastereomers. The correct option is c.

Diastereomers frequently contain substances with ring structures. Consider two compounds that each have two substituents—a chlorine atom and an ethyl group—and each has a six-membered ring. Like our previous example, they do not mirror copies of one another, which designates them as diastereomers.

Diastereomers are substances that have the same molecular formula and arrangement of bound elements as other substances but are not mirror or superimposable copies of one another.

Therefore, the correct option is c, diastereomers.

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The question is incomplete. Your most probably complete question is given below: The image of the compound is added.

The claim that over-the-counter medications require a doctor's prescription is referred to as being untrue.

What Does Medicine Mean?

This is also known as a medicine, and people use it to diagnose and treat illnesses and other forms of medical ailments. Antimalarials, antibiotics, and other examples all have particular uses and modes of action.

It is untrue that all over-the-counter (OTC) medications require a doctor's prescription because some OTC medications can be purchased without a doctor's prescription. These medications are referred to as OTC medications. Some analgesics and first aid supplies used immediately or during emergencies are medications that don't require a prescription.

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Answer:

If you're on plato edmentum this is the answer, if not then it's not.

Post Test: Government

Economics

Question #6

This answer is 100% correct:

Explanation:

I took the test and this is 100% it

Hope this helped!

Chronic exposure is prolonged, continuous, or recurrent contact with a harmful chemical (months or years).

The term "masses" designates a sizable, all-inclusive group of commoners — members of a society's middle class.If you're extremely wealthy, you'll go in a private plane while the average person takes a crowded bus.The mass don't include royalty, rich people, famous individuals, or anyone in positions of power.The masses consist of everyone else.

The three Christmas Masses—at midnight, dawn, and during the day—have a murky history, similar to many liturgical customs.Christmas as just a liturgical holiday celebrated on December 25 first appeared in Rome, somewhere about the year 330.

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When a carbon atom bonds with one s-orbital and two p orbitals, it becomes sp2 hybridised. Between the three atoms, two single bonds and one double bond are formed. The hybrid orbitals are arranged in a triangle with bonds at 120° angles.

Four sp3 orbitals are created when the 2s and all three of the 2p orbitals of carbon combine. Through an overlap of the sp3 and s orbitals, these orbitals subsequently form a link with four hydrogen atoms to form methane.

Carbon consists of six electrons. In the 1s orbital, just outside the nucleus, there will be two of them. The following two will enter the orbital phase 2s. The rest will be split into two distinct 2p orbitals.

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Since the electrons in metals are shared across all of the metal atoms in the sample as "sea of electrons" which surrounds the metal ions, making metals more malleable and ductile than ionic and covalent substance.

A metallic composition of all metal atoms surrounds the metal ions with a "sea" of shared electrons. It is assumed that this electron sea is the source of the great conductivity, malleability, and ductility that make metals unique.

Metal ions can easily pass by one another and twist the metal without breaking it because of the electron sea in a metallic body. On the other hand, it is more challenging to modify ionic and covalent molecules without rupturing the bonds due to the strong chemical bonds that hold them together. Because of this, ionic and covalent compounds are less ductile and malleable than metals.

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The properties of starch are that they are colorless and tasteless in nature and are the source of carbohydrates in our diet.

Starch are insoluble in cold water, alcohol, and other solvents.

Starch is composed of long chains of sugar molecules which are linked together linked together forming bonds and linkages. The most basic type of starch is amylose it is  a linear polymer and another example is  amylopectin which is a branching polymer.

Starch is the storage part in a plant where they store the excess energy in the form of glucose. This glucose is an important part of human diet and it provides energy as taken in the form of sugar.

Amylase is a starch-breaking enzyme found in saliva and the pancreas the first step in the digestion process is the breaking down of starch by enzymes.

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Answer:

Ionic compounds generally form between elements that are metals and elements that are nonmetals. For example, the metal calcium (Ca) and the nonmetal chlorine (Cl) form the ionic compound calcium chloride (CaCl2).

Explanation:

The purpose of the absorption and radiation by land and water lab is to analyze the earth's surface.

The Land and Water Absorption and Emission Laboratory evaluate how different surface materials on Earth absorb heat, and how the angle of separation affects how the planet's surface heats up. Designed to show you what to do. It took me about an hour to complete the lab. Earth's surface absorbs much more solar radiation than water. This is because most land surfaces are darker than water. This of course means that it absorbs more solar radiation and heat. Water reflects most of the solar radiation that reaches its surface back to the atmosphere. , the portion of the Earth's surface covered in ice and snow that affects how much of the Sun's solar radiation is absorbed, warmed or reflected by the planet.

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Answer:

Composition of Sodium Oxide - Na 2 O Element - Mass Percent Sodium 45.9795g Sodium 45.9795g Oxygen 15.9994g Oxygen 15.9994g

Answer:

Below

Explanation:

TWO sodium atoms     2 X   22.99 = 45.98

ONE oxygen atom       15.999

total = 61.979

Sodium percent =   45.98 / 61.979 = 74 %

   the remainder is Oxygen   26%

Answer:

ionic

Explanation:

compounds that are ionic are formed as a result pf a transferring of electrons that creates ions; which exert an electrostatic force upon each other.

Put raw meat, poultry, and shellfish in a separate section of your supermarket cart from other items. To prevent the fluids from these items from spilling onto other foods, put them in plastic bags. Additionally, it is important to keep these meals separate from other foods at the register and in your shopping bags.

What is contaminating food?

When a foreign substance or material that can cause foodborne illnesses is introduced to the food material, it is said to have been contaminated. Depending on its type and source, food contamination can be classified as biological, physical, or chemical.

Put raw meat, poultry, and shellfish in a separate section of your supermarket cart from other items. To prevent the fluids from these items from spilling onto other foods, put them in plastic bags. Additionally, it is important to keep these meals separate from other foods at the register and in your shopping bags.

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The name of the ketone will be acetone and iupac name will be propane-2-one,  Heptan-2-one. Common name, Methyl n-propyl ketone.

Acetone, also referred to as propanone, would be an industrial solvent used to make plastics as well as other products.

Using specific prefixes as well as suffixes to denote the presence of a functional group, the names of organic compounds following IUPAC nomenclature are generally given and after the parent hydrocarbon chain.

It would be also known as beta-ketopropane, 2-propanone, but also dimethyl ketone. Plastic, fibres, medications, as well as other compounds are all made from acetone.

The question is incomplete, i gave answer in my general way.

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Here is an example

Explanation:

From n = 5 , the electron can drop to n =

4, 3, 2, 1. Thus, there will be 4

possibilities

Now, the electron that dropped to n = 4 can drop to n =3,2,1 This will give 3 possibilities

The electron at n = 3 can drop to n =2,1 This gives 2 possibilities

Finally, the electron at n = 2 can drop to n = 1 . This gives 1 possibility

Thus in total the number of ways in which the electron can de-excite is :

4 + 3 + 2 + 1 = 10

10 different wavelengths of light can be emitted as the electron loses energy

from n = 5 level

Answer:

Oxygen was discovered independently by two chemists in the late 18th century: Carl Wilhelm Scheele and Joseph Priestley.

Carl Wilhelm Scheele was a Swedish chemist who is credited with the discovery of several elements, including oxygen, chlorine, and molybdenum. He was born on December 9, 1742, in Stralsund, Sweden, and showed an early interest in chemistry. In the 1770s, he made several important discoveries related to oxygen, including the fact that it is a gas and that it is necessary for combustion. However, he did not publish his findings until after Priestley had published his own work on oxygen. Scheele died on May 21, 1786, at the age of 43.

Joseph Priestley was an English scientist, philosopher, and theologian who is best known for his discovery of oxygen. He was born on March 13, 1733, in Birstall, England, and studied theology and science at the University of Leeds. In the 1770s, he conducted a series of experiments in which he isolated and described oxygen. He published his findings in 1774, in a book called "Experiments and Observations on Different Kinds of Air." Priestley's work on oxygen helped to lay the foundations for modern chemistry and the understanding of combustion and respiration. He died on February 6, 1804, at the age of 70.

The solution to the preceding equation is: 6C6H6 + 6O2 + 6CO2 + 6H2O = 7C6H12O6 + 3O2 + -18H2O

Negative coefficients indicate that the matching chemicals should be placed on the reaction's opposing side.

Water, Dioxygen, and Glucose are equal to Benzene, Dioxygen, Carbon Dioxide, and Water.

Response Type

Combustion

Redox (Oxidation-Reduction) (Oxidation-Reduction) It's possible that the reaction C6H12O6 + O2 + H2O = C6H6 + O2 + CO2 + H2O is a redox one.

C6H12O6 Glucose, O2 Dioxygen

H2O, or water

C6H6 Benzene

CO2, or carbon dioxide

A simple sugar called glucose is a key source of energy for living things and is found in many different types of carbohydrates.

Combustion: A fuel and an oxidant, often atmospheric oxygen, engage in a high-temperature exothermic (heat-releasing) redox (oxygen-adding) chemical process that results in the production of oxidized, frequently gaseous products in a mixture known as smoke.

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A statement best describes the usefulness of a model to investigate molecules at the microscopic level: A model’s usefulness depends on the accuracy of its predictions.

In science, a model is a representation of an idea, an object or even a process or a system that is used to describe and explain phenomena that cannot be experienced directly. Models are central to what scientists do, both in their research as well as when communicating their explanations.

Prof John Montgomery discusses how and why scientists use models, with climate change as an example.

Models are a mental visual way of linking theory with experiment, and they guide research by being simplified representations of an imagined reality that enable predictions to be developed and tested by experiment.

Models have a variety of uses – from providing a way of explaining complex data to presenting it as a hypothesis. There may be more than one model proposed by scientists to explain or predict what might happen in particular circumstances. Often scientists will argue about the 'rightness' of their model, and in the process, the model will evolve or be rejected. Consequently, models are central to the process of knowledge-building in science and demonstrate how science knowledge is tentative.

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The equilibrium constant expression for this reaction is:

K = [C]2[D] / [A]4[B]2

We can rearrange this expression to solve for [B]:

[B] = √([A]4[C]2[D] / K)

Plugging in the given values, we get:

[B] = √((2.60 M)4(2.70 M)2(3.10 M) / 0.0964)

= √(6.76 M)

= 0.26 M

The initial concentration of B is 2.60 M, so the change in concentration of B is 2.60 M - 0.26 M = 2.34 M.

Since the reaction takes place in a 5.00-liter container, the number of moles of B that were removed is 2.34 M * 5.00 L = 11.7 moles.

Therefore, 11.7 moles of B were removed.