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Question
What is the change in enthalpy when 4.00mol of sulfur trioxide decomposes to sulfur dioxide and oxygen gas?
2SO2(g)+O2(g)→2SO3(g); 
Hº=198kJ
A) 396 kJ
B) -198 kJ
C) -396 kJ
D) 198 kJ
E) 792 kJ
Answer
This answer is hidden. It contains 1 characters.
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