A Monatomic Ideal Gas Undergoes an Isothermal Expansion at 300 $0.010 \mathrm {~m} ^ { 3 }$

question 44

Multiple Choice

A monatomic ideal gas undergoes an isothermal expansion at 300 K, as the volume increased from $0.010 \mathrm {~m} ^ { 3 }$ to $0.040 \mathrm {~m} ^ { 3 }$ The final pressure is $130 \mathrm { kPa } \text {. }$ What is the change in the internal (thermal) energy of the gas during this process? (R = 8.31 J/mol ? K)

• A)0.0 kJ
• B)3.6 kJ
• C)7.2 kJ
• D)-3.6 kJ
• E)-7.2 kJ

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