Consider the Following System at Equilibrium at 25°C:
PCl₃(g)+ Cl₂(g) $\Delta$

question 12

Multiple Choice

Consider the following system at equilibrium at 25°C:
PCl₃(g) + Cl₂(g) PCl₅(g)
for which $\Delta$ H° = -92.5kJ at 25°C.
-When the volume is decreased at constant temperature,the ratio of the partial pressure of PCl₅ to the partial pressure of PCl₃ will

• A)increase
• B)decrease
• C)stay the same
• D)impossible to tell without more information
• E)none of these

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