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Heat of combustion of carbon hydrogen and Pentene are respectively 415, 282 and 2045 kilo joule per mole. Find out heat of formation of pentane on this basis

Heat of combustion of carbon hydrogen and Pentene are respectively 415, 282 and 2045 kilo joule per mole. Find out heat of formation of pentane on this basis

Grade:11

1 Answers

Ankit
104 Points
6 years ago
C + O2 gives CO2 (415kJ)....... ....... ....... ........ ........ ........ ........ ........H2 + 1/2O2 gives 2H2O(282kJ)....... ......... ........ ........ ......... ......... ........ .......C5H10 + 15/2O2 gives 5CO2 + 5H2O (.2045 kJ) ..... ........ ........ ........ ........ .......C5H10 + H2 gives C5H12....... ........ ........ ........ ........ ......... ........ ....... Therefore heat formation of pentane is (2045 + 282)kJ =2327kJ

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