03:23Le Chatelier's Principle: Part 2 | Reactions | Chemistry | FuseSchoolFuseSchool - Global Education471views
04:15Le Chatelier's Principle Part 1 | Reactions | Chemistry | FuseSchoolFuseSchool - Global Education765views
Multiple ChoiceConsider the reaction below:CH4 (g) + F2 (g) β CF4 (g) + HF (g) H = + 38.1 KJ/molThe following changes will shift the equilibrium to the left except one. Which one would not cause a shift to the left?1241views4rank8comments
Multiple ChoiceThe following data was collected for the following reaction at equilibrium 2 A (g) + 3 B (g) β C (g) At 25 oC K is 5.2 x 10-4 and at 50 oC K is 1.7 x 10-7. Which of the following statements is true?a) The reaction is exothermic.b) The reaction is endothermic.c) The enthalpy change, ΞH, is equal to zero.d) Not enough information is given. 1113views4rank6comments
Multiple ChoiceWhich direction will the following reaction (in a 10.0 L flask) proceed if a catalyst is added to the system? CaCO3 (s) β CaO (s) + CO2 (g) Kp = 3.2 x 10-28921views4rank1comments
Multiple ChoiceConsider the following gas reaction of A2 ( shaded spheres) and B2 ( unshaded spheres)A2 (g) + B2 (g) β 2 AB (g) Which container proceeds more to completion? 988views5rank4comments
Multiple ChoiceWhich of the following will NOT cause the reaction to shift toward the products? H2 (g) + I2 (g) ⇆ 2 HI (g) ΔH = –9.42 kJ265views
Multiple ChoiceIn which direction will the following reaction proceed when PCO = 0.13 atm, PH2O = 0.56 atm, PCO2 = 0.62 atm, and PH2 = 0.43 atm. Kp for the reaction is 2.7. CO (g) + H2O (g) ⇆ CO2 (g) + H2 (g)272views
Multiple ChoiceAt 445 ºC calculate the equilibrium concentration of HI when 0.500 M HI, 0.0200 M H2, and 0.0200 M I2 are placed in a sealed flask and allowed to reach equilibrium. Kc for this reaction is 50 at 445 ºC. H2 (g) + I2 (g) ⇆ 2 HI (g)375views
Multiple ChoiceA container is charged with 2.00 mol of I2 and is allowed to reach equilibrium. The I2 decomposes to iodine atoms as shown in the following reaction: I2 (g) ⇆ 2 I (g) After the reaction reaches equilibrium, an inert gas is introduced into the container under conditions of constant volume. Which of the following would you expect to happen?271views
Multiple ChoiceSelect correct answer(s) that would yield more products in the following reaction.CH4(g) + 4 F2(g) β CF4(g) + 4 HF(g) ΞH = 38.2 kJ/mola) increase pressure c) add 0.31 moles of F2 e) cool down reaction vesselb) increase temperature d) add some Xenon gas f) decrease volume341views3rank
Multiple ChoiceAt 26Β°C Kp = 2.3 x 10β12 and at 56Β°C Kp = 3.7 x 10β5 for the hypothetical reaction. Determine if the reaction is endothermic or exothermic.AB(s) + 2 B(g) β 3 BB (g) + C (g)331views4rank
Open QuestionConsider this reaction at equilibrium: CO(g) + Cl2(g) β COCl2(g) Predict whether the reaction will shift left, shift right, or remain unchanged after each disturbance. a. COCl2 is added to the reaction mixture. b. Cl2 is added to the reaction mixture. c. COCl2 is removed from the reaction mixture.
Open QuestionConsider this reaction at equilibrium: 2KClO3(s) β 2KCl(s) + 3O2(g). Predict whether the reaction will shift left, shift right, or remain unchanged after each disturbance. a. O2 is removed from the reaction mixture. b. KCl is added to the reaction mixture. c. KClO3 is added to the reaction mixture. d. O2 is added to the reaction mixture.
Open QuestionThis reaction is exothermic. C6H12O6(s) + 6 O2(g) β 6 CO2(g) + 6 H2O(g). Predict the effect (shift right, shift left, or no effect) of increasing and decreasing the reaction temperature. How does the value of the equilibrium constant depend on temperature?
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