Question

Please please help, will give medal :) Calibration of calorimeter

1. Calculate for the water in the benzoic acid combustion by .


Calculate the moles of benzoic acid . n = mass sample / molecular weight


2. for benzoic acid can be calculated by , where n is the moles of benzoic acid in the sample and is the heat capacity of the calorimetric system. If the accepted value for the heat of combustion for benzoic acid is 3226 kJ/mol, calculate the heat capacity of the calorimetric system.

Heat of combustion of sucrose

1. Calculate for the water by .

2. Calculate the moles of sucrose in the sample .


3. for