1.

2.2016 of acetaldehyde produced 13.95 kcal of heat of combustion in O_(2). Calculate the heat of combustion of CH_(3)CHO

Answer»

279 KCAL
972 kcal
27.9 kcal
2.79 kcal

Solution :`DELTAH=(13.95xx44)/(2.2016)=278.7 kcal`.


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