If the Vapor Pressure of Water in an Open System

question 72

Multiple Choice

If the vapor pressure of water in an open system at 25 °C is 23.8 mmHg,what is Δ_rG for the reaction below at 25 °C?
H₂O(l) → H₂O(g,23.8 mmHg)

• A)0 kJ/mol
• B)-8.58 kJ/mol
• C)+8.58 kJ/mol
• D)-0.720 kJ/mol
• E)+0.720 kJ/mol

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