Question

consider the following reaction:
2C2H6(g)+7O2 (g)-->4CO2(g)+6H2O (g)
delta H = -3120kJ
If 3.00g of ethane are burned, how many kJ of heat are produced?
bobpursley
It says for each two moles, you get 3120kj of heat. Do it as a fraction, 3/(2molmass) * 3120 kg
12
-3821kJ/mol

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