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  3. 1. phosphorus pentachloride is formed when phospho

1. Phosphorus pentachloride is formed when phosphorus trichloride and chlorine react. PCl3(g) + Cl2(g) ⇌ PCl5(g) The equilibrium constant...

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Chemistry

1.

Phosphorus pentachloride is formed when phosphorustrichloride and chlorine react.

PCl3(g) + Cl2(g) ⇌ PCl5(g)

The equilibrium constant for the reaction is KC =35.9 at 119 °C. If 0.489 mol of phosphorustrichloride is added to 0.802 mol ofchlorine in a 1.08-L reaction vessel at thistemperature, what is the equilibrium concentration (inmol/L) of phosphorus pentachloride?

2.

Nitric oxide is formed in automobile exhaust whennitrogen and oxygen in air react at hightemperatures.

N2(g) + O2(g) ⇌ 2 NO(g)

The equilibrium constant for the reaction is KP =0.242 at 1200 °C. If a container is charged with 0.243atm of nitrogen and 0.101 atm ofoxygen and the mixture is allowed to reach equilibrium,what will be the equilibrium partial pressure ofnitrogen?

3.

Consider reaction (1) shown below with it's associatedequilibrium constant. What is the equilibrium constant for reaction(2)?

Report your answer to THREE significant figures.

   (1)     A + 3 B ⇌ 2 C, K = 0.259

   (2)    2 A + 6 B ⇌ 4 C ,K = ??

The pressure-based equilibrium constant for thereaction shown below is KP = 3.575 at 443 °C.What is the value of KC at thistemperature?

2 NO(g) + O2(g) ⇌ 2 NO2(g)

Answer & Explanation Solved by verified expert
3.8 Ratings (371 Votes)
PCl3g Cl2g PCl5g Molartiy of PCl3 Number of molesvolume in L Molartiy of PCl3 0489 mole108 L Molartiy of PCl3    See Answer
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