# Difference between revisions of "Molar heat capacity"

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− | In adiabatic compression (<math>\Delta Q=0</math>) of an ideal gas, <math>PV^\gamma</math> stays constant, where <math>\gamma=\frac{c_V+R}{c_V}</math>. | + | In adiabatic compression (<math>\Delta Q=0</math>) of an ideal gas, <math>PV^\gamma</math> stays constant, where <math>\gamma=\frac{c_V+R}{c_V}</math>. An excellent derivation of this can be found [https://www.animations.physics.unsw.edu.au/jw/Adiabatic-expansion-compression.htm here]. |

## Revision as of 05:35, 27 November 2019

Adding heat to a substance changes its temperature in accordance to
change in heat

moles of substance

molar heat capacity

change in temperature

At constant volume, .

At constant pressure, .

For an ideal gas, where the ideal gas constant.

For an incompressible substance, .

In adiabatic compression () of an ideal gas, stays constant, where . An excellent derivation of this can be found here.