A 150.0-g sample of metal at 80.0°C is added to 150.0 g of H2O at 20.0°C. The temperature rises to 23.3°C. Assuming that the calorimeter is a perfect insulator, what is the specific heat of the metal? (Specific heat of H2O is 4.18 J/g · °C.) A) B) C) D) E) -0.48 J/g °C 0.24 J/g · °C 0.48 J/g °C 0.72 J/g °C 0.96 J/g · °C Using the following data, determine the heat of reaction for the combustion of 1 mol of ethylene, C C2H4(g) + 302(g) → 2CO2(g) + 2H2O(1) Compound AH°f ( kJ/mol) СН.(g) CO2(g) +52.3 -393.5

A 150.0-g sample of metal at 80.0°C is added to 150.0 g of H2O at 20.0°C. The temperature rises to 23.3°C. Assuming that the calorimeter is a perfect insulator, what is the specific heat of the metal? (Specific heat of H2O is 4.18 J/g · °C.) A) B) C) D) E) -0.48 J/g °C 0.24 J/g · °C 0.48 J/g °C 0.72 J/g °C 0.96 J/g · °C Using the following data, determine the heat of reaction for the combustion of 1 mol of ethylene, C C2H4(g) + 302(g) → 2CO2(g) + 2H2O(1) Compound AH°f ( kJ/mol) СН.(g) CO2(g) +52.3 -393.5

Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter5: Thermochemistry

Section: Chapter Questions

Problem 31E: When a 0.740-g sample of trinitrotoluene (TNT), C7H5N2O6, is burned in a bomb calorimeter, the...

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