In an internal combustion engine, air at atmospheric pressure and a temperature of about 20 C is compressed in the cylinder by a piston to about 1/9 of its original volume. Estimate the temperature of the compressed air, assuming the pressure reaches 40 atm.

In an internal combustion engine, air at atmospheric pressure and a temperature of about 20 C is compressed in the cylinder by a piston to about 1/9 of its original volume. Estimate the temperature of the compressed air, assuming the pressure reaches 40 atm.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter19: Temperature, Thermal Expansion And Gas Laws

Section: Chapter Questions

Problem 39PQ

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First law of Thermodynamics

The word thermodynamics consists of two words: thermo- and dynamics. Dynamics means the study of motion. The field of thermodynamics is all about the study of the movement of heat. In a more meaningful way, it is stated as the study of the transfer of energy. Energy transfer is something that we encounter in day-to-day life. Automobiles, chemical reactions, refrigerators, and power generators work on the basis of thermodynamic principles.

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Given,

Temprature T₁= 20 C = 293.15 K

volume is 1/9 times original volume

Pressure P₂ = 40 atm

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