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The heat of combustion of one gram of acetic acid in a bomb clorimeter was found to be -14.57KJ at 25°c. Calculate the enthalpy of combustion of acetic acid at  25°c.

Asked by shivamsaraswat484 11th March 2018, 5:27 PM
Answered by Expert
Answer:
The space combustion space reaction space of space acetic space acid space is comma

CH subscript 3 COOH space plus space 2 straight O subscript 2 space space space rightwards arrow space space 2 CO subscript 2 space plus space space 2 straight H subscript 2 straight O

Heat space of space combustion space equals space minus 14.57 space kJ space

no space of space moles space of space products space equals space No. space of space moles space of space reactants
straight i. straight e. no space of space moles space of space gases space before space the space reaction space and space after space the space reaction space are space same

therefore increment straight n equals 0

therefore Heat space of space combustion space equals space Enthalpy space of space combustion

therefore space Enthalpy space of space combustion space equals space minus 14.57 space kJ
Answered by Expert 12th March 2018, 9:47 AM
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