What amount of energy (kJ) is released in the combustion of 5.8 g of C4H10(g)?2C4H10(g)+13O2(g)⟶8CO2(g)+10H2O(l); ΔH∘=−5756kJ

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575.6

287.8

182

57.56

answer is B.

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Detailed Solution

Moles of C4H10 (n)=wtmwt=5.858=0.1Combustion of 2 moles of C4H10 gave -5756KJcombustion of 1 mole of C4H10 gave -5756/2combustion of 0.1 mole of C4H10 gave -5756×o.12=287.8

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