5 g sample of heptane (C7H16) is burned in a bomb calorimeter containing 1050 grams of water at an initial temperature of 24.1 °C. After the reaction, the final temperature of the water is 32.4 °C. a) Calculate the amount of heat released by the reaction. b) Calculate the heat of combustion of heptane in kJ/mole. c) It is known that the heat of combustion for heptane is -4817 kJ/mole. Calculate the experimental error.
5 g sample of heptane (C7H16) is burned in a bomb calorimeter containing 1050 grams of water at an initial temperature of 24.1 °C. After the reaction, the final temperature of the water is 32.4 °C. a) Calculate the amount of heat released by the reaction. b) Calculate the heat of combustion of heptane in kJ/mole. c) It is known that the heat of combustion for heptane is -4817 kJ/mole. Calculate the experimental error.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
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- 95 g sample of heptane (C7H16) is burned in a bomb calorimeter containing 1050 grams of water at an initial temperature of 24.1 °C. After the reaction, the final temperature of the water is 32.4 °C.
- a) Calculate the amount of heat released by the reaction.
- b) Calculate the heat of combustion of heptane in kJ/mole.
- c) It is known that the heat of combustion for heptane is -4817 kJ/mole. Calculate the experimental error.
(The heat capacity of the calorimeter is 754 J/°C. The specific heat of water is 4.18 J/g °C.)
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