3-16 3-15. Twenty Ib of air in a piston-cylinder assembly undergoes a process at a constant pressureof 20 lbf/in.? from an initial state with a temperature of 180°F to a final state where thevolume is 170 ft’. Assuming ideal gas behavior, determine the final temperature, in °F,and the amount of energy transfer by work, in Btu. (Use the Format.)Lecture 12 3.14energy balances with ideal gases3-16. For the system of Problem 3-15, determine the amount of energy transfer by heat, in Btu.Kinetic and potential energy effects can be neglected. (Use the Format.)

Answered: 3-15. Twenty lb of air in a…

College Physics

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ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

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3-16

3-15. Twenty Ib of air in a piston-cylinder assembly undergoes a process at a constant pressure
of 20 lbf/in.? from an initial state with a temperature of 180°F to a final state where the
volume is 170 ft’. Assuming ideal gas behavior, determine the final temperature, in °F,
and the amount of energy transfer by work, in Btu. (Use the Format.)
Lecture 12 3.14
energy balances with ideal gases
3-16. For the system of Problem 3-15, determine the amount of energy transfer by heat, in Btu.
Kinetic and potential energy effects can be neglected. (Use the Format.)

Expert Solution

Step 1

Given : Pressure = 20 lbf/in², temp. = 180°F and volume = 170 ft³

To calculate the amount of energy transfer by heat first we have to calculate the initial volume by applying ideal gas equation and then we have use first law of thermodynamics

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