Grade 12th passPhysical Chemistry
why does internal energy depend only on temperature?
why does internal energy depend only on temperature?
3 Answers
Deepak Kumar Shringi
theinternal energyof an ideal gasisindependent of volume at constanttemperature. The enthalpy andinternal energyof an ideal gas were asserted to be functions oftemperature only. ... Thus, enthalpydoesnotdependon pressure at constant T and itisa function oftemperature onl
Rajdeep
HELLO THERE!
Well, from the derivation of the formula that gives the internal energy, we can understand that Internal energy depends only upon temperature, and not upon pressure or volume.
Whenever Temperature is constant (Isothermal process), change in internal energy = 0.
Because
(where n = gaseous moles and Cv = Specific heat capacity at constant volume.
n and Cv at a particular condition is constant (most of the times, the values are provided in the question), thus the dependence of Internal energy is only on the temperature.
HOPE MY ANSWER HELPS!
Thanks...
Aswanth
It would be the kinetic energy of the balls that you were detecting indirectly. ... The extra internal energy needed to melt the ice is present in the water as potentialenergy, which we call "latent heat". So... short answer: Internal energy dependson temperature because temperature is part of the internal energy.
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