For N₂(g) + 3 H₂(g) ⇌ 2 NH₃(g), Kc = 0.50 L² mol⁻² at a certain temperature. A 2.00 L vessel at that temperature holds 1.00 mol of N₂, 2.00 mol of H₂ and 0.400 mol of NH₃. Which statement about this mixture is correct?

ChemistryMediumHigh School (11–12)Chemical Reactions JEE Main

For $\text{N}_2(g) + 3\,\text{H}_2(g) \rightleftharpoons 2\,\text{NH}_3(g)$ , $K_c = 0.50\ \text{L}^2\ \text{mol}^{-2}$ at a certain temperature. A $2.00\ \text{L}$ vessel at that temperature holds $1.00\ \text{mol}$ of $\text{N}_2$ , $2.00\ \text{mol}$ of $\text{H}_2$ and $0.400\ \text{mol}$ of $\text{NH}_3$ . Which statement about this mixture is correct?

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← A saturated solution of magnesium hydroxide, Mg(OH)₂, in pure water has a pH of 10.50 at 298 K. All the hydroxide ions come from the dissolved solid. What is the solubility product of magnesium hydroxide at 298 K? Take Kw = 1.0 × 10⁻¹⁴ and 10^(0.5) = 3.16.For NH₄HS(s) ⇌ NH₃(g) + H₂S(g), Kp = 0.11 bar² at 298 K. A rigid flask at 298 K holds ammonia at a pressure of 0.40 bar. Plenty of solid NH₄HS is put in, so that some solid is left at equilibrium. What is the total pressure in the flask at equilibrium? →

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