One mole of glucose contains 2870 kJ of energy. The hydrolysis of one mole of ATP releases 30.7 kJ of energy. Calculate the percentage of energy that is transformed to useful energy in the body. Show your work.

Question

Augustus Harding

Biology

26 August, 17:36

One mole of glucose contains 2870 kJ of energy. The hydrolysis of one mole of ATP releases 30.7 kJ of energy. Calculate the percentage of energy that is transformed to useful energy in the body. Show your work.

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Answers (1)

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Anne Mcclain · Answer 1

The answer is:

Total used energy is the energy released by the hydrolysis of one mole of ATP and it is 30.7 kJ.

Total possible energy (used pus released as a heat) is 2870 kJ.

So, we calculate total used/total possible=30.7/2870=0.01069 or 0.017. Expressed in percentage: 1.07% energy is used.