QUESTION 12 Complete combustion of 2.3 g liquid ethanol, C2H5OH in a calorimeter raised the temperature of 3000 mL of water by 10°C. The specific heat capacity of water is 4.18 Jg°C-, and the density of water is 1.0 g mL-1. a) Calculate the heat of combustion, AH of C2HSOH in kJ mol. b) Write the thermochemical equation for the combustion of liquid C2HSOH.

Chemistry by OpenStax (2015-05-04)
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Chapter5: Thermochemistry
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QUESTION 12
Complete combustion of 2.3 g liquid ethanol, C2H5OH in a calorimeter raised the
temperature of 3000 mL of water by 10°C. The specific heat capacity of water is
4.18 Jg-1°C-1, and the density of water is 1.0 g mL-1.
a) Calculate the heat of combustion, AH of C2HSOH in kJ mol-'.
b) Write the thermochemical equation for the combustion of liquid C2HSOH.
Transcribed Image Text:QUESTION 12 Complete combustion of 2.3 g liquid ethanol, C2H5OH in a calorimeter raised the temperature of 3000 mL of water by 10°C. The specific heat capacity of water is 4.18 Jg-1°C-1, and the density of water is 1.0 g mL-1. a) Calculate the heat of combustion, AH of C2HSOH in kJ mol-'. b) Write the thermochemical equation for the combustion of liquid C2HSOH.
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