A Cylinder Contains 23 Moles of an Ideal Gas at a Temperature

question 52

Multiple Choice

A cylinder contains 23 moles of an ideal gas at a temperature of 300 K.The gas is compressed at constant pressure until the final volume equals 0.43 times the initial volume.The molar heat capacity at constant volume of the gas is 24.0 J/mol • K and the ideal gas constant is R = 8.314 J/mol • K.The heat absorbed by the gas is closest to

• A) -130 kJ.
• B) -94 kJ.
• C) 130 kJ.
• D) 94 kJ.
• E) -33 kJ.

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