Answered: heat engine is supplied with 319.0 cal…

heat engine is supplied with 319.0 cal and rejects 193.5 cal in the exhaust. How many joules of mechanical work was done?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter3: The First Law Of Thermodynamics

Section: Chapter Questions

Problem 66P: One of a dilute diatomic gas occupying a volume of 10.00 L expands against a constant pressure of...

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Question

heat engine is supplied with 319.0 cal and rejects 193.5 cal in the exhaust. How many joules of mechanical work was done?

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Expert Solution

Step 1: Given data

Heat energy supplied to engine is $Q subscript i n end subscript equals 319 space cal$

Heat energy rejected by engine is $Q subscript o u t end subscript equals 193.5 space cal$

Note:

$1 space kcal equals 4184 space straight J$

$1 space kcal equals 1000 space cal$

Find:

The mechanical work done in units of $joules$

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