Question

At constant pressure, the combustion of 25.0 g of C2H6(g) releases 1295 kJ of heat. What is ?H…

At constant pressure, the combustion of 25.0 g of C2H6(g) releases 1295 kJ of heat. What is ?H for the reaction given below?

2 C2H6(g) + 7 O2(g) ? 4 CO2(g) + 6 H2O(l)

a -215 kJ

b -1560 kJ

c -779 kJ

d -3120 kJ

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