The reaction PC13(g) + Cl₂(g) = PC15(g) has AH = -87.9 kJ, AS° = -170 J/K, K = 3.32 x 10 at 298 K. Which change of conditions causes this equilibrium reaction to shift in the direction of product? Doubling all pressures by halving the volume of the reaction vessel. Adding a catalyst that accelerates the reaction rates. Increasing the temperature. O Doubling the pressure by adding Ar(g).

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The reaction

\[ \text{PCl}_3(\text{g}) + \text{Cl}_2(\text{g}) \rightleftharpoons \text{PCl}_5(\text{g}) \]

has \( \Delta H^\circ = -87.9 \, \text{kJ} \), \( \Delta S^\circ = -170 \, \text{J/K} \), \( K = 3.32 \times 10 \) at 298 K. Which change of conditions causes this equilibrium reaction to shift in the direction of product?

- Doubling all pressures by halving the volume of the reaction vessel.
- Adding a catalyst that accelerates the reaction rates.
- Increasing the temperature.
- Doubling the pressure by adding Ar(g).
Transcribed Image Text:The reaction \[ \text{PCl}_3(\text{g}) + \text{Cl}_2(\text{g}) \rightleftharpoons \text{PCl}_5(\text{g}) \] has \( \Delta H^\circ = -87.9 \, \text{kJ} \), \( \Delta S^\circ = -170 \, \text{J/K} \), \( K = 3.32 \times 10 \) at 298 K. Which change of conditions causes this equilibrium reaction to shift in the direction of product? - Doubling all pressures by halving the volume of the reaction vessel. - Adding a catalyst that accelerates the reaction rates. - Increasing the temperature. - Doubling the pressure by adding Ar(g).
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