Two moles of helium are initially at a temperature of 240c, Physics

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Two moles of helium are initially at a temperature of 240c

Two moles of helium are initially at a temperature of 24.0C and occupy a volume of 2.70×10²m³ . The helium first expands at constant pressure until its volume has doubled. Then it expands adiabatically until the temperature returns to its initial value. Suppose that the helium can be treated as an ideal gas.

a-What is the total heat supplied to the helium in the process?

b-What is the total change in internal energy of the helium?

c-What is the total work done by the helium?

d-What is the final volume of the helium?

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Physics: Two moles of helium are initially at a temperature of 240c

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Physics: Two moles of helium are initially at a temperature of 240c

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