Question

The enthalpy of combustion of glucose is -2808 kJ mol^-1 and 25˚C. How many grams of glucose do you need to consume [Assume wt = 62.5kg]. (a) To climb a flight of stairs rising through 3m.(b) To climb a mountain of altitude 3000m?

Answer 1

H_combustion = –2808 kJ/mol 

(i) Energy × Eff = Change in potential energy.

 = 62.25 × 3 × 9.8

 = 0.47 kg