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Grade: 11
        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
2 years ago

Answers : (1)

Ankit
104 Points
							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
						
one year ago
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