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April 18, 2014

Homework Help: Calculating DHrxn?

Posted by AnthoniiEllis on Friday, June 12, 2009 at 12:32am.

What is DHrxn for the following reaction, CH4(g) + 2 O2(g) ---> CO2(g) + 2 H2O(l), given
DHf[CH4(g)] = -74.8 kJ; ...DHf[CO2(g)] = -393.5 kJ; ...DHf[H2O(l)] = -285.5 kJ.


a. ) -604.2 kJ
b. ) 869.7 kJ
c. ) -997.7 kJ
d. ) -889.7 kJ
e. ) 997.7

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