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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Calculate the equilibrium concentrations of N2O4 and NO2 at 25 ∘C in a vessel that contains an initial N2O4 concentration of 0.620 M. The equilibrium constant Kc for the reaction N2O4(g)⇌2NO2(g) is 4.64×10−3 at 25 ∘C.
Calculate the equilibrium concentrations of N2O4.
Calculate the equilibrium concentrations of NO2.
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- Gaseous ammonia was introduced into a sealed container and heated to a certain temperature: 2 NH3(g) ⇌ N2(g) + 3 H2(g) At equilibrium, [NH3] = 0.0238 M, [N2] = 0.117 M, and [H2] = 0.347 M. Calculate Kc for the reaction at this temperature.arrow_forwardAt 1130ºC the equilibrium constant (Kc) for the reaction 2H2S(g) ⇌ 2H2(g) + S2(g) is 2.25 × 10–4. If [H2S] = 4.84 × 10–3 M and [H2] = 1.50 × 10–3 M, calculate [S2].arrow_forwardAt 500oC, K for the formation of NH3 from N2 and H2 is 1.5 x 10-5. Calculate the equilibrium partial pressure of H2 when partial pressures of NH3 and N2 are 0.015 and 1.2 atm.arrow_forward
- The equilibrium constant for the reaction 2 HF (g) ⇌ H₂ (g) + F₂ (g) is 0.300 at a particular temperature. What is the equilibrium constant for the equation ½ H₂ (g) + ½ F₂ (g) ⇌ HF (g)?arrow_forwardA mixture of ammonia, nitrogen, and hydrogen was allowed to come to equilibrium at 900K. 2NH3 ⇌ 2H2 + N2 Kc = 0.0076. An analysis of the mixture at equilibrium revealed 0.31 M of H2 and 1.8 M of NH3. Determine the equilibrium concentration of N2 (in M) in this mixture. (use 2 significant figures)arrow_forwardCalculate the equilibrium concentrations of N2O4 and NO2 at 25 ∘C in a vessel that contains an initial N2O4 concentration of 0.0538 M . The equilibrium constant Kc for the reaction N2O4(g)⇌2NO2(g) is 4.64×10−3 at 25 ∘C .Express your answers using four decimal places separated by a comma.arrow_forward
- The following reactions have the indicated equilibrium constants at a particular temperature: N2 (g) + O2(g) ⇌ 2NO (g) Kc = 7.1 ×10−25 2NO (g) + O2 (g) ⇌ 2NO2(g) Kc = 6.4 × 109 Determine the value of the equilibrium constant for the following equation at the same temperature: 2NO(g) ⇌ N2(g) + O2(g)arrow_forwardIn an analysis of interhalogen reactivity, 0.420 mol of ICl was placed in a 5.00−L flask, where it decomposed at a high T: 2 ICl(g) ⇌ I2(g) + Cl2(g) Calculate the equilibrium concentrations of I2, Cl2, and ICl (Kc = 0.110 at this temperature).arrow_forwardHydrogen is prepared commercially by the reaction of methane and water vapor at elevated temperatures. CH4(g)+H2O(g)⇌3H2(g)+CO(g) What is the equilibrium constant for the reaction if a mixture at equilibrium contains gases with the following concentrations: CH4, 0.126 M; H2O, 0.242 M; CO, 0.126 M; H2 1.15 M, at a temperature of 760. °C? Enter your answer with 3 sig figs.arrow_forward
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