Homework Help: Chemistry

Posted by Marie on Wednesday, March 17, 2010 at 11:32pm.

A sample of benzene, C6H6, weighing 3.51 g was burned in an excess of oxygen in a bomb calorimeter. The temperature of the calorimeter rose from 25.00 C to 37.18 C. If the heat capacity of the calorimeter is 12.05 kJ/K, what is the molar energy of combustion for benzene? Also, what would be the value of q for burning 50.3 g of benzen at constant volume and 25.00 C?

Chemistry - Anonymous, Tuesday, July 13, 2010 at 9:23am
For a certain change, the value of deltaU is -2.37 kJ. During the change, the system absorbs 650 joules. How much work did the system do

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