Consider the two equilibria at a given temperature: 1

CHEMISTRY · Single correct · A Level · Chemistry · Chemical equilibria (Le Chatelier’s principle and Kc) · Chemical equilibria (Le Chatelier’s principle and Kc)

Problem

Consider the two equilibria at a given temperature: 1. A( g ) ⇌ B( g ) + C( g ), K1=5.0K_1 = 5.0 2. C( g ) ⇌ D( g ), K2=0.20K_2 = 0.20 What is the equilibrium constant for the overall reaction D( g ) + B( g ) ⇌ A( g )? (a) 2525 (b) 1.01.0 (c) 5.05.0 (d) 0.040.04

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