An Ideal Gas Is Expanded at Constant Temperature

question 90

Multiple Choice

An ideal gas is expanded at constant temperature.What are the signs (+,-,or 0) of ΔH,ΔS,and ΔG for this system?

• A)ΔH = +,ΔS = -,ΔG = +
• B)ΔH = 0,ΔS = +,ΔG = -
• C)ΔH = 0,ΔS = -,ΔG = +
• D)ΔH = -,ΔS = +,ΔG = -

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