2. Mastery - Le Châtelier: Volume 3 pts 2req Preparation Question Question Question Consider the following system at equ

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2 Mastery Le Chatelier Volume 3 Pts 2req Preparation Question Question Question Consider The Following System At Equ 1 (25.08 KiB) Viewed 45 times

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2. Mastery - Le Châtelier: Volume 3 pts 2req Preparation Question Question Question
Consider the following system at equilibrium where ΔH∘=16.1 kJ, and Kc​=6.50×10−3, at 298 K : 2NOBr(g)⇌2NO(g)+Br2​(g) If the VOLUME on the equilibrium system is suddenly increased at constant temperature: The value of Kc​ increases decreases remains the same The value of Qc​ is greater than Kc​ is equal to Kc​ is less than Kc​ The reaction must run in the forward direction to reestablish equilibrium. run in the reverse direction to reestablish equilibrium. remain the same. It is already at equilibrium. The number of moles of Br2​ will increase decrease remain the same
Consider the following system at equilibrium where ΔH∘=18.8 kJ and Kc​=0.0952, at 350 . K. CH4​(g)+CCl4​(g)⇌2CH2​Cl2​(g) If the VOLUME of the equilibrium system is suddenly decreased at constant temperature: The value of Kc​ increases decreases remains the same The value of Qc​ is greater than Kc​ is equal to Kc​ is less than Kc​ The reaction must run in the forward direction to reestablish equilibrium. run in the reverse direction to reestablish equilibrium. remain the same. It is already at equilibrium. The number of moles of CCl4​ will increase decrease remain the same
Consider the following system at equilibrium where ΔH∘=111 kJ, and Kc​=6.30, at 723 K : 2NH3​(g)⇌N2​(g)+3H2​(g) If the VOLUME on the equilibrium system is suddenly. increased at constant temperature: The value of Kc​ increases decreases remains the same The value of Qc​ is greater than Kc​ is equal to Kc​ is less than Kc​ The reaction must run in the forward direction to reestablish equilibrium. run in the reverse direction to reestablish equilibrium. remain the same. It is already at equilibrium. The number of moles of H2​ will increase decrease remain the same