Physics · Thermodynamics
One mole of an ideal gas undergoes a thermodynamic cycle. In a P-V diagram, step A → B is an isobaric expansion at pressure P0 where volume doubles from V0 to 2V0. At state A, the temperature of the gas is T. What is the change in the internal energy of the gas (ΔU) in units of RT (where R is the universal gas constant) as the system goes from state A to state B, assuming it is a monoatomic ideal gas?
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