First Law of Thermodynamics: A monatomic ideal gas undergoes an isothermal expansion at 300 K, as the volume increased from 0.050 m3 to 0.150 m3. The final pressure is 130 kPa. How much heat is transferred to the gas during this expansion? (R = 8.31 J/mol ? K)
A. 21 kJ
B. 11 kJ
C. -21 kJ
D. -11 kJ
E. 0 kJ
Answer: A
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