HKIE Professional Assessment - Chemical Discipline Practice Questions - HKIE Professional Assessment - Chemical Discipline (Hong Kong Institution Of Engineers) Exam

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An ideal gas expands reversibly and isothermally at temperature T = 300 K from an initial volume V₁ = 1.0 m³ to a final volume V₂ = 2.0 m³. If n = 100 moles of gas are present and R = 8.314 J/(mol·K), what is the heat Q added to the gas during expansion?

172.9 kJ 249.4 kJ 345.8 kJ 576.2 kJ

Correct Answer:

172.9 kJ

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