A person swims for 0.50 h and uses 250 kcal. How many moles of ATP are used to provide this amount of energy?

One cell at work may break down 2 million (2 000 000) ATP molecules in one second. Some researchers estimate that the human body has about 10¹³ cells.

b. If ATP has a molar mass of 507 g/mole, how many grams of ATP are hydrolyzed in one day?

List the energy yield in ATP molecules for each of the following:

a. NADH → NAD⁺

List the energy yield in ATP molecules for each of the following:

a. FADH₂ → FAD

A person bicycles vigorously and uses 510 kcal. How many moles of ATP are used to provide this amount of energy?

Write the abbreviated equation for the hydrolysis of ADP to AMP. 

Hydrolysis of Adenosine Diphosphate yields:

An athlete is training for a marathon. Every mile that the athlete runs, an average of 117.5 kcal of energy is expanded. How many moles of ATP would the athlete burn during a full marathon (26.2 mi)? Use conversion factor: 1 mole ATP = 7.3 kcal.

Acetyl phosphate, whose structure is given here, is another compound with a relatively high free energy of hydrolysis.

Using structural formulas, write the equation for the hydrolysis of this phosphate.