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December 21, 2014

Homework Help: chemistry

Posted by bob on Wednesday, January 11, 2012 at 4:40pm.

When 0.373 g of compound X is burned completely in a bomb calorimeter containing 3000
g of water, a temperature rise of 0.341 C is observed. What is ∆Urxn for the combustion
of compound X? The hardware component of the calorimeter has a heat capacity of 3.19
kJ/ ◦C. The specific heat of water is 4.184 J/g ◦ C, and the MW of X is 56.0 g/mol.
Answer in units of kJ/mol

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