Question- 150 mol of helium gas in a cylinder is held at a, Chemistry

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Question- 150 mol of helium gas in a cylinder is held at a

Question- 1.50 mol of helium gas in a cylinder is held at a volume of 22.4 L by a piston at 273K and 1.00 atm. Heat is supplied to the system to double the volume and temperature of the gas while maintaining the internal pressure at 1.00 atm.

A) What is the change in internal energy?

B) How much work is done?

C) How much heat is added?

D) What is the enthalpy change?

I think for A, I feel I must use E=(3/2)nRT. I have no idea for B, C, D.

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Chemistry: Question- 150 mol of helium gas in a cylinder is held at a

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