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Question
When 10.00 moles of H2(g) reacts with 5.000 mol of O2(g) to form 10.00 mol of H2O(l) at 25C and a constant pressure of 1.00 atm. If 683.0 kJ of heat are released during this reaction, and P
V is equal to - 37.00 kJ, then
A) H = + 683.0 kJ and E = + 720.0 kJ.
B) H = + 683.0 kJ and E = + 646.0 kJ.
C)H = - 683.0 kJ and E = - 646.0 kJ.
D) H = - 683.0 kJ and E = - 720.0 kJ.
Answer
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