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Isothermal Processes

Posted: Sun Mar 11, 2018 10:39 pm
by Katelyn B 2E
Why does an isothermal reversible process have 0 change in internal energy? I know that isothermal processes have no change in temperature.

Re: Isothermal Processes

Posted: Sun Mar 11, 2018 10:41 pm
by Kevin Ru 1D
Internal energy is due to motion of particles in a system which depends on temperature. As you mentioned, temperature in isothermal process is constant, so the internal energy will also be constant. Therefore, the change in internal energy 0. Hope that helps!

Re: Isothermal Processes

Posted: Sun Mar 11, 2018 11:09 pm
by AtreyiMitra2L
furthermore, it is important to note that for isothermal, reversible processes, the change in internal energy is 0 when they are ideal gases. Because they are ideal gases, there is no exhange in energy during the collisions.