b. For the amount of exercise that Charles did for one week in part a, if expending 3500 kcal is equal to a loss of 1.0lb, how many pounds did he lose?

What is a catalyst, and what effect does it have on the activation energy of a reaction?

If a catalyst changes the activation energy of a forward reaction from 28.0 kcal/mol to 23.0 kcal/mol, what effect does it have on the reverse reaction?

Using energy values from TABLE3.8, determine each of the following:d. If expending 3500 kcal is equal to a loss of 1.0 lb, how many days will it take Charles to lose 5.0 lb?

Using energy values from TABLE3.8, determine each of the following:c. If Charles consumes 1800 kcal per day, he will maintain his weight. Would he lose weight on his new diet?

For the unbalanced combustion reaction shown, 1 mol of ethanol, C2H5OH, releases 327 kcal (1370 kJ): C2H5OH + O2 → CO2 + H2OIf the density of ethanol is 0.789 g/mL, calculate the combustion energy of ethanol in kilocalories/milliliter and kilojoules/milliliter

A 70.0-kg person had a quarter-pound cheeseburger, french fries, and a chocolate shake. (3.5)

d. Using TABLE3.10, determine the number of hours of running needed to burn off the kilocalories in this meal.

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