For the gas-phase equilibrium at 500 K

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

Problem

For the gas-phase equilibrium 2 NOBr(g)⇌2 NO(g)+Br2(g)2\,\text{NOBr}(g)\rightleftharpoons 2\,\text{NO}(g)+\text{Br}_2(g) at 500 K, the equilibrium constant is Kp=1.2K_p = 1.2. A rigid container is charged with PNOBr=0.800 atmP_{\text{NOBr}} = 0.800\,\text{atm} and no products. What is the equilibrium partial pressure of Br2_2? (a) 0.34 atm0.34\,\text{atm} (b) 0.27 atm0.27\,\text{atm} (c) 0.14 atm0.14\,\text{atm} (d) 0.48 atm0.48\,\text{atm}

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