Question

The combustion of 3.010 g sucrose, in a bomb calorimeter, causesthe temperature to rise from 24.92 to 78.33?C. The heat capacity ofthe calorimeter assembly is 4.90 kJ/?C.

a) What is the heat of combustion of sucrose, expressed inkJ/mol C₁₂H₂₂O₁₁.

b) Verify the claim of sugar producers that one teaspoon ofsugar (about 4.8g) contains only 19 calories.