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Question: 4 one mole of helium contained in a constant volume...

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4. One mole of helium contained in a constant volume tank at 1.00 atm absolute is heated

from 200.C (473. K) to 450.C (723. K). Determine:

a. The final pressure of the gas,

b. The amount of heat in Joules added to the system,

c. The change in the internal energy of the gas in Joules, and

d. The change in the enthalpy of the gas in Joules.

Helium can be assumed to be an ideal gas with CV= 3/2R and CP= 5/2R

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