Chemistry Practice Problems Equilibrium Expressions Practice Problems Solution: The reaction 2PH3 (g) + As2 (g) ⇌ 2AsH3 (g) + P2 (...

Solution: The reaction 2PH3 (g) + As2 (g) ⇌ 2AsH3 (g) + P2 (g) has Kp = 2.9 x 10-5 at 873 K. At the same temperature, what is Kp for each of the following reactions? 2AsH3 (g) + P2(g) ⇌ 2PH3 (g) + As2(g) Express your answer using two significant figures. 6PH3(g) + 3As2(g) ⇌ 3P2(g) + 6AsH3(g) Express your answer using two significant figures. 

Problem

The reaction 

2PH3 (g) + As2 (g) ⇌ 2AsH3 (g) + P2 (g) 

has Kp = 2.9 x 10-5 at 873 K. At the same temperature, what is Kp for each of the following reactions? 

2AsH3 (g) + P2(g) ⇌ 2PH3 (g) + As2(g) 

Express your answer using two significant figures. 


6PH3(g) + 3As2(g) ⇌ 3P2(g) + 6AsH3(g) 

Express your answer using two significant figures. 


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