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Grace [21]
3 years ago
9

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

Chemistry
1 answer:
sveta [45]3 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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Which noble gas will Selenium try to resemble when it becomes an ION?
lapo4ka [179]

Answer:

Krypton

Explanation:

When Selenium forms an ion, it is trying to become krypton which is a noble gas.

Selenium belongs to the oxygen group on the periodic table. In this group, the atoms prefers to gain two electrons to complete their octet. When selenium gains two electrons, its octet is complete.

This will make the atom resemble krypton on the periodic table of elements.

This structure which is an octet confers a special stability on the element.

7 0
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What vitamin is produced by a mammalian skin?
Contact [7]
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What is the electron structure of sodium
yarga [219]
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8 0
3 years ago
Read 2 more answers
Part iv. Is the neutralization reaction enthalpy favored?
Burka [1]

Yes, it is a special case of enthalpy of neutralization.  

The enthalpy of neutralization (ΔHn) is the change in enthalpy that occurs when one equivalent of an acid and one equivalent of a base undergo a neutralization reaction to form water and a salt.

The standard enthalpy change of neutralization is the enthalpy change when solutions of an acid and an alkali react together under standard conditions to produce 1 mole of water.

5 0
3 years ago
If the element A have three protons in the nucleus. find the atomic number of the element A​
sweet-ann [11.9K]

Answer:

ATOMIC number of element A is 3

Explanation:

Atomic number is the same as number of protons of an element.

according to the periodic table, Lithium is the element with 3 protons in its neutral state and it's atomic number is 3.

3 0
3 years ago
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