The reaction 2M(g) ⇌ N(g) is at equilibrium at a specific temperature where Kc = 5.0

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

Problem

The reaction 2M(g) ⇌ N(g) is at equilibrium at a specific temperature where Kc = 5.0. Which of the following represents the smallest whole-number particle diagram that is exactly consistent with this value of Kc? (a) 2 M molecules and 10 N molecules2\text{ M molecules and }10\text{ N molecules} (b) 4 M molecules and 80 N molecules4\text{ M molecules and }80\text{ N molecules} (c) 1 M molecule and 5 N molecules1\text{ M molecule and }5\text{ N molecules} (d) 5 M molecules and 5 N molecules5\text{ M molecules and }5\text{ N molecules}

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