Chemical Equilibrium (Le Chateliers Principle) - Numerical Applications
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Q. For the reaction 2NO(g) + O2(g) ⇌ 2NO2(g), if the initial concentrations are [NO] = 0.5 M and [O2] = 0.2 M, what is the equilibrium concentration of NO2 if Kc = 10?
Q. For the reaction 3H2(g) + N2(g) ⇌ 2NH3(g), if the temperature is decreased, what will be the effect on the equilibrium position?
Q. For the reaction CO(g) + 2H2(g) ⇌ CH3OH(g), if the pressure is increased, what will be the effect on the equilibrium position?
Q. For the reaction H2(g) + I2(g) ⇌ 2HI(g), if the temperature is increased and Kc decreases, what does this indicate about the reaction?
Q. If the equilibrium constant Kc for the reaction A + B ⇌ C is 4 at 25°C, what will be the value of Kc if the concentration of A is doubled?
Q. If the equilibrium constant Kc for the reaction A ⇌ B is 0.1, what can be inferred about the concentrations of A and B at equilibrium?
Q. If the equilibrium constant Kp for the reaction 2SO2(g) + O2(g) ⇌ 2SO3(g) is 25 at a certain temperature, what is Kp if the volume of the system is halved?
Q. In the equilibrium reaction 2A(g) ⇌ B(g) + C(g), if the concentration of B is increased, what will happen to the concentration of A?
Q. In the reaction N2(g) + 3H2(g) ⇌ 2NH3(g), if the concentration of NH3 is increased, what will happen to the concentration of N2 at equilibrium?
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