Wednesday
April 16, 2014

Homework Help: chemistry

Posted by Austin on Tuesday, October 2, 2012 at 8:54pm.

When 0.572 g of compound X is burned completely in a bomb calorimeter containing 3000
g of water, a temperature rise of 0.461

C is
observed. What is ∆Urxn for the combustion
of compound X? The hardware component of
the calorimeter has a heat capacity of 3.75
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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