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ECAT - Practice Test - Chemistry - Chemical Equilibrium Quiz

Attempt 10 MCQs on ECAT - Practice Test - Chemistry - Chemical Equilibrium | Quiz 5

41. How does removing product affect equilibrium?



42. When does pressure change affect equilibrium?



43. What is the effect of adding an inert gas at constant volume?



44. How does gas solubility change with pressure?



45. How does temperature affect solubility of most solids?



46. How does increasing temperature affect N₂ + 3H₂ ⇌ 2NH₃ (ΔH=-92 kJ)?



47. What is the pH of a 0.01 M HCl solution?



48. What is the pH of a buffer with 0.1 M acetic acid and 0.1 M acetate? (Ka=1.8×10⁻⁵)



49. Calculate the molar solubility of CaF₂ given Ksp = 4.0×10⁻¹¹.



50. For the reaction 2SO₂ + O₂ ⇌ 2SO₃, Kc=2.8. If initial [SO₂]=0.2 M, [O₂]=0.1 M, find equilibrium [SO₃].



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