When an automobile engine starts, the metal parts immediately begin to absorb the heat released during the combustion of gasoline. a) What is the system?  b) What is the surroundings? c) Is the sign for the heat transfer (q) positive or negative?  d) How much heat will be absorbed by a 165 kg iron engine block as the temperature rises from 56.5°F to 200.5°F? (cFe = 0.489 J/g°C

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter12: Thermodynamic Processes And Thermochemistry
Section: Chapter Questions
Problem 14P
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When an automobile engine starts, the metal parts immediately begin to absorb the heat released during the combustion of gasoline.

a) What is the system? 

b) What is the surroundings?

c) Is the sign for the heat transfer (q) positive or negative? 

d) How much heat will be absorbed by a 165 kg iron engine block as the temperature rises from 56.5°F to 200.5°F? (cFe = 0.489 J/g°C) 

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