Chemical equilibrium, Kc and Kp, ionic equilibrium, pH, buffer solutions.
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Q1 · Equilibrium · MEDIUM
For the reaction N₂ + 3H₂ ⇌ 2NH₃, increasing the pressure on the system at equilibrium will:
Q2 · Equilibrium · EASY
The pH of a 0.01 M aqueous HCl solution is:
Q3 · Equilibrium · MEDIUM
If the solubility of AgCl in water is 1.0 × 10⁻⁵ mol/L, its solubility product (Ksp) is:
Q4 · Equilibrium · MEDIUM
A weak acid HA has a dissociation constant Ka = 1.0 × 10⁻⁵. What is the pH of a 0.1 M solution of this acid?
Q5 · Equilibrium · HARD
For the gaseous equilibrium reaction 2SO₂(g) + O₂(g) ⇌ 2SO₃(g), Kp = 4.0 × 10⁴ atm⁻¹ at a certain temperature. If the partial pressures at equilibrium are: P(SO₂) = 0.2 atm and P(O₂) = 0.1 atm, what is the partial pressure of SO₃ at equilibrium?