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May 22, 2015

Homework Help: Chemistry

Posted by JoJo on Tuesday, April 10, 2012 at 3:17pm.

17. You have the following equations:
2S (s) + 3O2 (g) 2SO3 (g), H = 792 kJ
2S (s) + 2O2 (g) 2SO2 (g), H = ?
2SO2 (g) + O2 (g) 2SO3 (g), H = 198 kJ
What is the missing H?

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