What mass of heptane c7h16 is required to produce 902 kj of, Ask an Expert

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What mass of heptane, C7H16, is required to produce 90.2 kJ of heat at constant pressure from its combustion in excess oxygen?

C7H16(l) + 11O2(g) ? 7CO2(g) + 8H2O(l)

Ho = -4816.5 kJ/mol

A) 2.08 × 10-2 g
B) 100 g
C) 5.35 × 103 g
D) 1.87 × 10-4 g
E) 1.88 g

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Category:- Chemistry
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