WOLFRAM|DEMONSTRATIONS PROJECT

Temperature Changes in an Ideal Gas

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heat gas
cool gas
heat (kJ/mol)
5
add heat
In this Demonstration, heating or cooling of an ideal gas is compared at constant pressure and constant volume. You can vary the amount of heat added (for "heat gas") or removed (for "cool gas"). Clicking the play button to the right of "heat gas" or "cool gas" calculates the final temperature
T
, the work
W
done on the gas, the change in internal energy
ΔU
, and the change in enthalpy
ΔH
for each system. The final pressure
P
is also calculated for the constant-volume system.