Chemistry, 24.11.2019 12:31, elloemill

4what is the net amount of heat released when two moles of c2h6(g) are formed from its elements at 101.3 kpa and 298 k?

i know the final answer is -168 bc somehow you get -84 from somewhere i'm just not sure where that comes from.

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4what is the net amount of heat released when two moles of c2h6(g) are formed from its elements at 1...