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Chemistry (Looseleaf) - With Student Solutions Manual
- Consider the following reaction and corresponding value of Kc :H2(g) + I2(g)Δ2 HI(g) Kc = 6.2 * 102 at 25 °CWhat is the value of Kp at this temperature?arrow_forwardWhich condition favors the forward direction of a reversible reaction? A. Q = K B. Q < K C. Q > K D. Q = 0arrow_forwardCalculate Q for the following reaction and then state whether it will proceed in the forward or reverse direction. 2.31 atm CCl₄, 2.10 atm H2, 1.13 atm Cl₂, 1.09 atm CH2Cl2 CH2Cl2 (g) + Cl2 (g) ⇌ H2 (g) + CCl4 (g) Kc = 102arrow_forward
- Rank the following reactions in INCREASING order of K value at 30°C?a. Ag2CO3 (s) <-> 2Ag+(aq) + CO3-2(aq) G= -64.88J/mol b. CaF2(s) <-> Ca+2(aq) + 2F-(aq) G= -59.32J/mol c. CoCO3 (s) <-> Co+2(aq) + CO3-2(aq) G= -61.12J/mol Is it possible to use the G values to directly determine the ranking, without doing any calculating? Explain.arrow_forwardStearic acid, nature's most common fatty acid, dimerizes when dissolved in hexane: 2C17H35COOH (C17H35COOH)2; ΔH°rxn = –172 kJ/mol The equilibrium constant for this reaction at 28°C is 2.9 × 103. Estimate the equilibrium constant at 38°C. (R = 8.314 J/K• mol)arrow_forwarda. What is the equilibrium constant of the following reaction at 25˚C? HONH₃⁺(aq) + H₂O(l) ⇄ HONH₂(aq) + H₃O⁺(aq) b. What is the equilibrium constant of the following reaction at 25˚C? NO₂⁻(aq) + H₂O(l) ⇄ HNO₂(aq) + OH⁻(aq)arrow_forward
- Identify the effect on the equilibrium caused by an increase in pressure in each of the systems described by the following reactions? a. C2H6(g) ⇌H2(g) + C2H4(g) b. CO(g) + 1/2 O2(g) ⇌ CO2(g) + heat c. PbSO4(s) + H^ (aq) ⇌ Pb^2+ (aq) + HSO^-4 (aq)arrow_forwardFor each of the following reactions, predict how the value of K changes as the temperature is increased. N2(g) + O2(g) ⇌ 2NO(g) ΔH° = 181 kJ b. 2SO2(g) + O2(g) ⇌ 2SO3(g) ΔH° = -198 kJarrow_forwardConsider the following equilibrium: A+2B 3C+D Kc= 1.5x10^-3 Are the reactants or products favored at equilibrium?arrow_forward
- When 3.0 moles of gas A reacts with 5.0 moles of gas B in a 4.0 L cylinder there were 0.75 moles of gas C present at equilibrium. Calculate Kc for the following equilibrium at 450oC. 4A+2B 2Carrow_forward4. Consider the following: SiH 4(g) +2 O 2(g) <—> SiO 2(s) +2 H 2 O (l) Delta H^ 0 =-1516.86 kJ/mol a. Using the given information, calculate delta G^o for the reaction above at 25*C. b. Would you expect the reaction at 25*C to have an equilibrium constant greater than or less than 1 ? Explain.arrow_forwardFor the reaction N2(g)+3H2(g)⇌2NH3(g) Kp = 5.10×10−3 at 345 ∘C. What is Kc for the reaction at this temperature?arrow_forward
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