Question

A cell requires 3,538 J of energy. How many ATP molecules would be hydrolyzed
to generate the same amount of energy?​

Answer 1

Answer:

1169.58 molecules

Explanation:

The hydrolysis of one ATP molecule releases 7.3 kcal/mol of energy (∆G = −7.3 kcal/mol of energy).

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Answer 2

Answer:

A cell with 3538 J energy of molecules would hydrolyze 1159.4 molecules of ATP.

Explanation:

When a molecule of ATP is hydrolyzed it releases around 7.3 Kcal of energy.

$1 Kcal = 4.18 KJ\\7.3 Kcal = 30.514 KJ = 30.514 \times 10^{3}$

So one molecule of ATP gives out 30.514 KJ $(30.514 \times 10^{3} J )$ of energy.

$30.514 \times 10^{3} J = 1 ATP\\1 J = 1 \div 30.514 \times 10^{3} ATP\\3538 J = (1 \div 30.514 \times 10^{3}) \times 3538\\= 1159.4 molecules$

Thus, a cell with 3538 J energy of molecules would hydrolyze 1159.4 molecules of ATP.