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일반화학/[15장] 화학 평형130

A + B ⇌ C + D 반응의 평형 상수가 144 A + B ⇌ C + D 반응의 평형 상수가 144 용액에서 반응 A + B ⇌ C + D 의 평형 상수가 144이다. A와 B를 각각 0.400몰씩 넣어 용액 2 L를 만들어 반응을 진행시켰다. 반응이 평형에 도달하였을 때 C의 농도는? --------------------------------------------------- 0.400 mol / 2 L = 0.200 M = [A] = [B] A + B ⇌ C + D 평형 상수, K = [C] [D] / [A] [B] [그림] A + B ⇌ C + D 반응의 일반적인 ICE 도표와 평형 상수식. 평형에서, K = [C] [D] / [A] [B] = (x) (x) / (0.200–x) (0.200–x) = 144 x^2 / (0.200–x)^2 = 1.. 2023. 1. 16.
K = 6.40×10^(-7) 0.250 mol CO2(g) in 1.000 L container K = 6.40×10^(-7) 0.250 mol CO2(g) in 1.000 L container Carbon monoxide gas is used for synthesis of organic chemicals. At 2000℃, the value of the equilibrium constant is 6.40×10^(-7) for the decomposition of carbon dioxide gas, CO2(g), into carbon monoxide, CO(g), and oxygen O2(g). Calculate the concentrations of all entities at equilibrium if 0.250 mol of carbon dioxide is placed in 1.000 L con.. 2023. 1. 2.
0.055 mol CO and 0.072 mol Cl2 in 5.0 L K 0.20 0.055 mol CO and 0.072 mol Cl2 in 5.0 L K 0.20 Phosphene, COCl2(g), is a toxic gas used for production of pesticides, pharmaceuticals and dyes. It is prepared by mixing carbon monoxide and chlorine gas in the following reaction: CO(g) + Cl2(g) ⇌ COCl2(g) If 0.055 mol of carbon monoxide and 0.072 mol of chlorine gas are placed in a 5.0 L container at 200℃, the value of the equilibrium constant is.. 2023. 1. 2.
0.46 mol CH4, 0.64 mol C2H2, 0.92 mol H2 0.46 mol CH4, 0.64 mol C2H2, 0.92 mol H2 Methane, ethyne, and hydrogen form the following equilibrium system: 2CH4(g) ⇌ C2H2(g) + 3H2(g) At 1000℃, the equilibrium mixture was found to contain 0.46 mol methane, 0.64 mol ethyne, and 0.92 mol hydrogen in a 4.0 L container. Calculate the value of the equilibrium constant. Methane, ethyne, and hydrogen form the following equilibrium mixture. 2CH4(g) .. 2022. 12. 31.
르 샤틀리에. 2NO(g) + 2H2(g) ⇌ N2(g) + 2H2O(g) 비활성 기체 르 샤틀리에. 2NO(g) + 2H2(g) ⇌ N2(g) + 2H2O(g) 비활성 기체 The following reaction is exothermic: 2NO(g) + 2H2(g) ⇌ N2(g) + 2H2O(g) In which direction will the equilibrium shift as a result of each of the following changes? Explain your reasoning. Increasing the pressure of gases in the system by pumping neon gas while keeping the volume of the container constant -------------------------------------------.. 2022. 12. 30.
르 샤틀리에. 2NO(g) + 2H2(g) ⇌ N2(g) + 2H2O(g) 부피 감소 르 샤틀리에. 2NO(g) + 2H2(g) ⇌ N2(g) + 2H2O(g) 부피 감소 The following reaction is exothermic: 2NO(g) + 2H2(g) ⇌ N2(g) + 2H2O(g) In which direction will the equilibrium shift as a result of each of the following changes? Explain your reasoning. Increasing the pressure of gases in the system by decreasing the volume of the container --------------------------------------------------- ▶ 참고: 르샤틀리에 원리 [ http.. 2022. 12. 30.
르 샤틀리에. 2NO(g) + 2H2(g) ⇌ N2(g) + 2H2O(g) 생성물 제거 르 샤틀리에. 2NO(g) + 2H2(g) ⇌ N2(g) + 2H2O(g) 생성물 제거 The following reaction is exothermic: 2NO(g) + 2H2(g) ⇌ N2(g) + 2H2O(g) In which direction will the equilibrium shift as a result of each of the following changes? Explain your reasoning. Removing water from the system --------------------------------------------------- ▶ 참고: 르샤틀리에 원리 [ https://ywpop.tistory.com/2685 ] ----------------------------.. 2022. 12. 30.
르 샤틀리에. 2NO(g) + 2H2(g) ⇌ N2(g) + 2H2O(g) 촉매 사용 르 샤틀리에. 2NO(g) + 2H2(g) ⇌ N2(g) + 2H2O(g) 촉매 사용 The following reaction is exothermic: 2NO(g) + 2H2(g) ⇌ N2(g) + 2H2O(g) In which direction will the equilibrium shift as a result of each of the following changes? Explain your reasoning. Using a catalyst --------------------------------------------------- ▶ 참고: 르샤틀리에 원리 [ https://ywpop.tistory.com/2685 ] -------------------------------------------.. 2022. 12. 30.
르 샤틀리에. 2NO(g) + 2H2(g) ⇌ N2(g) + 2H2O(g) 온도 증가 르 샤틀리에. 2NO(g) + 2H2(g) ⇌ N2(g) + 2H2O(g) 온도 증가 The following reaction is exothermic: 2NO(g) + 2H2(g) ⇌ N2(g) + 2H2O(g) In which direction will the equilibrium shift as a result of each of the following changes? Explain your reasoning. (a) Increasing the temperature --------------------------------------------------- ▶ 참고: 르샤틀리에 원리 [ https://ywpop.tistory.com/2685 ] -----------------------------.. 2022. 12. 30.
0.500 mol PCl5 was placed into a 0.250 L 0.500 mol PCl5 was placed into a 0.250 L Consider the reaction PCl3(g) + Cl2(g) ⇌ PCl5(g) At a certain temperature, 0.500 mol of PCl5 was placed into a 0.250 L container and allowed to react. At equilibrium, the container held 0.100 mol of PCl5. What is the value of K for this reaction? --------------------------------------------------- 초기 [PCl5] = 0.500 mol / 0.250 L = 2.00 M ICE 도표를 작성하면, ..... 2022. 12. 29.
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