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4 years ago

Which reaction can provide the energy needed to run an endergonic reaction?

Chemistry

1 answer:

sveta [45]4 years ago

8 0

Answer:

Coupling reaction such as hydrolysis of ATP provide the energy needed to run an endergonic reaction.

Explanation:

The endergonic reactions are non spontaneous and thermodynamically unfavorable because the free energy change for those reactions are positive.

To make this reaction spontaneous and thermodynamically favorable the reaction which is endergonic is coupled with hydrolysis of ATP that generate huge amount of free energy thus making the free energy change of the overall reaction negative.

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What is the oxidation state Ca(NO3)2

mylen [45]

Oxidation state is a number that is assigned to an element in a chemical combination. The number represents the number of electrons that an atom can gain, loses, or share when chemically bonding with an atom of another element. In this case the oxidation state or the oxidation number of Ca(NO3)2 is Zero, since its an electrically neutral compound. Thus the sum of oxidation number of calcium, nitrogen and oxygen is zero.

8 0

3 years ago

Explain how the chromatography shows that all three samples have at least one substance common✨

Alinara [238K]

Monkey is good and that is all their it to it

3 0

3 years ago

The Lewis structure of the carbonate ion is an example of a resonance structure. True False

hammer [34]

True

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3 years ago

How many grams of lithium hypochlorite (LiClO) are there in 0.594 moles?

Flauer [41]

Answer : The mass of lithium hypochlorite are, 34.7 grams.

Explanation : Given,

Moles of $LiClO$ = 0.594 g

Molar mass of $LiClO$ = 58.4 g/mol

Expression used :

$\text{ Mass of }LiClO=\text{ Moles of }LiClO\times \text{ Molar mass of }LiClO$

Now put all the given values in this expression, we get:

$\text{ Mass of }LiClO=(0.594moles)\times (58.4g/mole)$

$\text{ Mass of }LiClO=34.7g$

Therefore, the mass of lithium hypochlorite are, 34.7 grams.

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4 years ago

Complete combustion of a 0.350 g sample of a compound in a bomb calorimeter releases 14.0 kJ of heat. The bomb calorimeter has a

dexar [7]

Answer:

Its final temperature is 25.8 °C

Explanation:

Calorimetry is the measurement and calculation of the amounts of heat exchanged by a body or a system.

There is a direct proportional relationship between heat and temperature. The constant of proportionality depends on the substance that constitutes the body as on its mass, and is the product of the specific heat by the mass of the body. So, the equation that allows calculating heat exchanges is:

Q = c * m * ΔT

where Q is the heat exchanged by a body of mass m, made up of a specific heat substance c and where ΔT is the temperature variation (ΔT=Tfinal-Tinitial)

When a body transmits heat there is another that receives it. This is the principle of the calorimeter. Then the heat released by the compound will be equal to the heat obtained by the calorimeter.

In this case, you know: