Multiple ChoicePartial pressures of the following equilibrium mixture at 955 K are: 130 torr methane, 92 torr hydrogen sulfide, 167 torr hydrogen gas and 532 torr carbon disulfide. What is the value of Kc at 955 K?CH4(g) + 2 H2S(g) ⇌ 4 H2(g) + CS2(g)253views10rank
Multiple ChoiceConsider the hypothetical reaction: ? X(g) + 3 Y(g) ⇌ 3 Z(g), where Kp = 1.16 x 10–3 and Kc = 1.3 at 135°C. Find the value of the coefficient of X.244views9rank1comments
Multiple ChoiceFor which reaction(s) will Kp = Kc?a) N2(g) + O2(g) ⇌ 2 NO(g)b) CaCO3(s) ⇌ CaO(s) + CO2(g)c) 2 CH4(g) ⇌ C2H2(g) + 3 H2(g)d) H2O(g) + CO(g) ⇌ H2(g) + CO2(g)232views5rank
Multiple ChoiceSelect the correct choice below for the reaction: PCl5(g) ⇌ PCl3(g) + Cl2(g)214views4rank
Textbook QuestionThe following diagram represents a reaction shown going to completion. Each molecule in the diagram represents 0.1 mol, and the volume of the box is 1.0 L. (d) Assuming that all of the molecules are in the gas phase, calculate n, the change in the number of gas molecules that accompanies the reaction. [Section 15.2] 578views
Textbook QuestionSuppose that the gas-phase reactions A ¡ B and B ¡ A are both elementary processes with rate constants of 4.7 * 10-3 s-1 and 5.8 * 10-1 s-1, respectively. (b) Which is greater at equilibrium, the partial pressure of A or the partial pressure of B?456views
Textbook QuestionIf Kc = 0.042 for PCl31g2 + Cl21g2 Δ PCl51g2 at 500 K, what is the value of Kp for this reaction at this temperature?1191views
Textbook QuestionAt 1000 K, Kp = 1.85 for the reaction SO21g2 + 12O21g2 Δ SO31g2 (c) What is the value of Kc for the reaction in part (b)?1072views
Textbook QuestionCalculate Kc for each reaction. a. I2(g) ⇌ 2I(g) Kp = 6.26 * 10^-22 (at 298K)1977views
Textbook QuestionCalculate Kc for each reaction. b. CH4(g) + H2O(g) ⇌ CO(g) + 3 H2(g) Kp = 7.7x10^24 (at 298 K)4622views
Textbook QuestionCalculate Kp for each reaction. a. N2O4(g) ⇌ 2NO2(g) Kc = 5.9x10^-3 (at 298 K)3516views
Textbook QuestionCalculate Kp for each reaction. b. N2(g) + 3H2(g) ⇌ 2NH3(g) Kc = 3.7x10^8 (at 298 K)6825views
Textbook QuestionThe equilibrium 2 NO1g2 + Cl21g2 Δ 2 NOCl1g2 is established at 500 K. An equilibrium mixture of the three gases has partial pressures of 0.095 atm, 0.171 atm, and 0.28 atm for NO, Cl2, and NOCl, respectively. (b) If the vessel has a volume of 5.00 L, calculate Kc at this temperature.921views1comments
Textbook QuestionFor each of the equilibria in Problem 15.56, write the equi-librium constant expression for Kp and give the equation that relates Kp and Kc. (a)372views1rank
Textbook QuestionThe vapor pressure of water at 25 °C is 0.0313 atm. Cal- culate the values of Kp and Kc at 25 °C for the equilibrium H2O1l2 ∆ H2O1g2.1092views
Textbook QuestionThe equilibrium constant Kc for the gas-phase thermal decom-position of cyclopropane to propene is 1.0 * 105 at 500 K: (a) What is the value of Kp at 500 K?441views