1) When a mass, m, of cyclohexane is burnt in a constant volume bomb calorimeter with heat capacity Ceal the temperature of the water surrounding the calorimeter is raised by AT- The heat of combustion of the nichrome wire used to ignite the reactive mixture is q. The lengths of the nichrome wire before and after combustion are L, and L, respectively. The combustion reaction is carried out at temerature T and pressure P. The standard molar enthalpy of combustion of cyclohexane is written as AH°. Table 1: Experimental conditions and thermodynamic data for the combustion in the bomb calorimeter A Ho m Ccal q Lo L T P -3951 +/-19 kJ/mol 0.78 +0.002 g 8222.0+/8.0 J/k -9.6 J/cm 9. 39 +0.05 cm 3. 39 +/-0.05 cm 20.65 +/-0.04 C 25.8 +/-1.0 bar

1) When a mass, m, of cyclohexane is burnt in a constant volume bomb calorimeter with heat capacity Ceal the temperature of the water surrounding the calorimeter is raised by AT- The heat of combustion of the nichrome wire used to ignite the reactive mixture is q. The lengths of the nichrome wire before and after combustion are L, and L, respectively. The combustion reaction is carried out at temerature T and pressure P. The standard molar enthalpy of combustion of cyclohexane is written as AH°. Table 1: Experimental conditions and thermodynamic data for the combustion in the bomb calorimeter A Ho m Ccal q Lo L T P -3951 +/-19 kJ/mol 0.78 +0.002 g 8222.0+/8.0 J/k -9.6 J/cm 9. 39 +0.05 cm 3. 39 +/-0.05 cm 20.65 +/-0.04 C 25.8 +/-1.0 bar

EBK A SMALL SCALE APPROACH TO ORGANIC L

4th Edition

ISBN:9781305446021

Author:Lampman

Publisher:Lampman

Chapter26: Biodiesel

Section: Chapter Questions

Problem 2Q

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