At a given temperature, the equilibrium constant for the reaction PCl5(g)⇋PCl3(g)+Cl2(g) is 2.4×10−3. At the same temperature, the equilibrium constant for the reaction PCl3(g)+Cl2(g)⇋PCl5(g) is:
2.4×10−3
−2.4×10−3
4.2×102
4.8×10−2
A
4.2×102
B
2.4×10−3
C
−2.4×10−3
D
4.8×10−2
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Solution
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When the reaction PCl5(g)⇋PCl3(g)+Cl2(g) is reversed, the reaction PCl3(g)+Cl2(g)⇋PCl5(g) is obtained.
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Q1
At a given temperature, the equilibrium constant for reaction
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Q2
At a given temperature, the equilibrium constant for the reaction PCl5(g)⇋PCl3(g)+Cl2(g) is 2.4×10−3. At the same temperature, the equilibrium constant for the reaction PCl3(g)+Cl2(g)⇋PCl5(g) is:
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Q4
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