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April 21, 2014

Homework Help: CHEMISTRY

Posted by Lucinda on Sunday, August 22, 2010 at 12:15am.

Calculate the H rxn for the following reaction.
H f [H2S(g)] = -21 kJ/mol; H f [SO2(g)] = -297 kJ/mol; H f [H2O(l)] = -285.8 kJ/mol;

2H2S(g) + SO2(g) 3S(s) + 2H2O(l)

a. 232.6 kJ
b. 910 kJ
c. -232.6 kJ
d. -910 kJ

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