K = [B][C]/[A]2
2.16 = 0.359×0.494/[A]2
[A] = 0.286M
So the concentration of [A] = 0.286 M
Question 2 t 25"C, the equilibrium constant for the reaction 2 A(aq)>B(aq)+C(aq) is 2.16. lIf the...
At 25oC, the equilibrium constant for the reaction 2 A(aq) ----> B(aq) + C(aq) is 1.80 . If the concentration of B(aq) is 0.307 M and the concentration of C(aq) is 0.521 M, what would be the minimal concentration of A(aq) (in mol/L) required to make the reaction spontaneous?
Given the chemical reaction below, A(aq) + 2 B(aq) ⇌ C(aq) + D(l) the equilibrium constant for the reaction is Kc = 0.8. The reaction mixture at equilibrium contains 1.47 mol of A, 1.84 mol of B in a 1.00 L flask. What is the concentration of C in the equilibrium mixture? Only enter the numerical value with three significant figures in the answer box below. Do NOT type in the unit (M).
For the reaction 2 A(aq) ⇋ 2 B(g) + C(g), the equilibrium constant is 5.20 at 25.0oC. If the concentrations of B(aq) and C(aq) are each 0.278 M, what concentration of A(aq) is required to have a ΔG value of -10.0 kJ/mol?
Question 9: (a) For the reaction 2 A(aq) ⇋ 2 B(g) + C(g), the equilibrium constant is 5.13 at 25.0oC. If the concentrations of B(aq) and C(aq) are each 0.245 M, what concentration of A(aq) is required to have a ΔG value of -10.0 kJ/mol? (b) To a 89.8 mL aqueous solution of NaOH, we add an excess of Mn(NO3)2 and produce 0.086 g of Mn(OH)2(s). What was the original pH of the NaOH solution?
For the reaction 2 A(aq) <---> B(aq) + C(aq), the standard Gibbs free enthalpy change is 1.47 kJ at 25oC. The initial concentration of A(aq) is 0.567 M, the initial concentration of B(aq) is 0.303 M, and the initial concentration of C(aq) is 0.219 M. What would be the concentration of A(aq) (in mol/L) once we attain equilibrium (we are still at 25oC)? Question 2 : For the reaction 2 A(aq) <---> B(aq) + C(aq), the standard Gibbs free enthalpy...
Question 4: (a) (5 points) For the reaction 2 A(aq) = 2 B(aq) + C(aq), the equilibrium constant is 5.08 at 25.0°C. If the concentrations of B(aq) and C(aq) are each 0.221 M, what concentration of A(aq) is required to have a AG value of -10.0 kJ/mol? (b) (4 points) For the reaction A(g) = B(g) + 2 C(g), we start off with just pure A(g) (there is no B(g) or C(g)). When we reach equilibrium, the partial pressure of...
(a) For the reaction 2 A(aq) ⇋ 2 B(g) + C(g), the equilibrium constant is 5.35 at 25.0oC. If the concentrations of B(aq) and C(aq) are each 0.228 M, what concentration of A(aq) is required to have a ΔG value of -10.0 kJ/mol? (b)To a 88.8 mL aqueous solution of NaOH, we add an excess of Mn(NO3)2 and produce 0.074 g of Mn(OH)2(s). What was the original pH of the NaOH solution?
(a) For the reaction 2 A(aq) ⇋ 2 B(g) + C(g), the equilibrium constant is 5.04 at 25.0oC. If the concentrations of B(aq) and C(aq) are each 0.256 M, what concentration of A(aq) is required to have a ΔG value of -10.0 kJ/mol? (b) To a 88.8 mL aqueous solution of NaOH, we add an excess of Mn(NO3)2 and produce 0.076 g of Mn(OH)2(s). What was the original pH of the NaOH solution?
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