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44. Based on the following reaction profile: Ish la) How many intermediates are formed in the...
45. Calculate the rate constant k (in M's) using the information in the reaction and Table...
45. Calculate the rate constant k (in M's) using the information in the reaction and Table 14.2 below. Page 8 NH + NO →N + 4 (aq) 2 (aq) 2 (8) 2H 0 (1) A) 2.7 x 10^m's? B) 1.0 x 10PM'sC) 5.4 x 10M's' D) 2.7 x 10-M's! TABLE 14.2 . Rate Data for the Reaction of Ammonium and Nitrite lons in Water at 25 °C Experiment Initial NH, Initial NO2 Observed Initial Number Concentration (M) Concentration (M) Rate...
Calculate the rate constant k (in M^-1 s^-1) using the information in the reaction and Table...
Calculate the rate constant k (in M^-1 s^-1) using the information
in the reaction and Table 14.2.
ΝΗ, 4 (aq) + NO 2 (aq) →N + 2H2O 2 (8) A) 2.7 x 10*m's' B) 1.0 x 10-ºm's' C) 5.4 x 10m's' D) 2.7 x 10 M's! TABLE 14.2. Rate Data for the Reaction of Ammonium and Nitrite lons in Water at 25 °C + Experiment Number Initial NH, Concentration (M) Initial NO2 Concentration (M) انا فية طالية 0.0100 0.0200 0.0400...
47. For the following reaction: NO2 Concentration N204 Equilibrium achieved 0 Time (a) Which of the...
47. For the following reaction: NO2 Concentration N204 Equilibrium achieved 0 Time (a) Which of the following statements is true? A) At equilibrium, the concentration of reactants and products must change with time. B) At equilibrium, a particular ratio of concentration terms does not equal a constant. C) For equilibrium to occur, neither reactants nor products can escape from the system. D) This reaction does go to stoichiometric completion.
44. Based on the following reaction profile: Potential energy m B D Reaction progress la) How...
44. Based on the following reaction profile: Potential energy m B D Reaction progress la) How many intermediates are formed in the reaction A D? 1b) How many transition states are there? 1c) Which step is the slowest? 1d) Is the overall reaction A D exothermic or endothermic? A) 3; 2; AD, exothermic C) 3; 4; BC, exothermic B) 2; 3; B → C, endothermic D) 2; 3; C D endothermic
Question 30 3 pts How would the reaction respond if some PtO is removed from the...
Question 30 3 pts How would the reaction respond if some PtO is removed from the reaction mixture at equilibrium? CS2(g) + 2H2O(g) + Pt(s) = C(s) + 2H2S(g) + PtO(s) ΔΗχη = -55 kJ The reaction would make reactants to reach a new equilibrium. The equilibrium position of the reaction would not be affected. The reaction would make products to reach a new equilibrium, D Question 31 3 pts The temperature of the reaction below is increased and once...
16) How many half-lives are required for the concentration of reactant to decrease to 3.1% of its original value? A...
16) How many half-lives are required for the concentration of reactant to decrease to 3.1% of its original value? A) 2 B) 3 C) 1 D) 5 E) 2.75 17) Calculate the Ksp for silver sulfite if the solubility in pure water is 4.6 x 10-3 g/L. A) 4.8 x 10-10 B) 2.4 x 10-10 91.5 * 10-14 D) 3.8 x 10-15 - 18) Which of the following statements are TRUE? A) The equilibrium constant for the forward reaction is...
Which of the following is true about the following chemical reaction at equilibrium? PICK ALL THAT...
Which of the following is true about the following chemical reaction at equilibrium? PICK ALL THAT APPLY. C6H12O6 + 6O2 6CO2 + 6H2O + Energy A. The concentration of H2O equals the concentration of O2. B. The rate of the forward reaction, reactants to products, equals the rate of the reverse reaction, products to reactants. C. The C-C bonds hold more energy in C6H12O6 than the C-O bonds in CO2. Hint: think teter-toter. D. The concentration of O2 is changing...
In the following reaction: N,04(8) Na(g) +20,(g) + energy, if the temperature is increased the equilibrium...
In the following reaction: N,04(8) Na(g) +20,(g) + energy, if the temperature is increased the equilibrium will shift to favor. a. the forward reaction (more products) c. both the forward and the reverse reaction b. the reverse reaction (more reactants) d. neither the forward nor the reverse reaction c o Od
9. What does it mean if Keq < 1, at equilibrium? The concentration of reactants is...
9. What does it mean if Keq < 1, at equilibrium? The concentration of reactants is greater than the concentration of products. b. The concentration of products is greater than the concentration of reactants. The rate of the forward reaction is greater than the rate of the reverse reaction. c. d. The rate of the reverse reaction is greater than the rate of the forward reaction. e. The concentration of products and reactants are about the same. Which of the...
Q(22) Kp=Kc when? A) The reaction is at equilibrium B) The reaction is exothermic C) The reaction is endothermic D)...
Q(22) Kp=Kc when? A) The reaction is at equilibrium B) The reaction is exothermic C) The reaction is endothermic D) all of the gasses present are at the same temperature E) the number of moles of gas on both sides of the balanced equation is the same. Q(23) HAH +A at the equilibrium (HA) = 1.65* 10-2 M and [H") = (A-) = 5.44*10-4 M at equilibrium. Kc = A) 1.7 X 10-1 C) 1.7 X 103 D) 1.7 X...
45. Calculate the rate constant k (in M's) using the information in the reaction and Table 14.2 below. Page 8 NH + NO →N + 4 (aq) 2 (aq) 2 (8) 2H 0 (1) A) 2.7 x 10^m's? B) 1.0 x 10PM'sC) 5.4 x 10M's' D) 2.7 x 10-M's! TABLE 14.2 . Rate Data for the Reaction of Ammonium and Nitrite lons in Water at 25 °C Experiment Initial NH, Initial NO2 Observed Initial Number Concentration (M) Concentration (M) Rate...
Calculate the rate constant k (in M^-1 s^-1) using the information
in the reaction and Table 14.2.
ΝΗ, 4 (aq) + NO 2 (aq) →N + 2H2O 2 (8) A) 2.7 x 10*m's' B) 1.0 x 10-ºm's' C) 5.4 x 10m's' D) 2.7 x 10 M's! TABLE 14.2. Rate Data for the Reaction of Ammonium and Nitrite lons in Water at 25 °C + Experiment Number Initial NH, Concentration (M) Initial NO2 Concentration (M) انا فية طالية 0.0100 0.0200 0.0400...
47. For the following reaction: NO2 Concentration N204 Equilibrium achieved 0 Time (a) Which of the following statements is true? A) At equilibrium, the concentration of reactants and products must change with time. B) At equilibrium, a particular ratio of concentration terms does not equal a constant. C) For equilibrium to occur, neither reactants nor products can escape from the system. D) This reaction does go to stoichiometric completion.
44. Based on the following reaction profile: Potential energy m B D Reaction progress la) How many intermediates are formed in the reaction A D? 1b) How many transition states are there? 1c) Which step is the slowest? 1d) Is the overall reaction A D exothermic or endothermic? A) 3; 2; AD, exothermic C) 3; 4; BC, exothermic B) 2; 3; B → C, endothermic D) 2; 3; C D endothermic
Question 30 3 pts How would the reaction respond if some PtO is removed from the reaction mixture at equilibrium? CS2(g) + 2H2O(g) + Pt(s) = C(s) + 2H2S(g) + PtO(s) ΔΗχη = -55 kJ The reaction would make reactants to reach a new equilibrium. The equilibrium position of the reaction would not be affected. The reaction would make products to reach a new equilibrium, D Question 31 3 pts The temperature of the reaction below is increased and once...
16) How many half-lives are required for the concentration of reactant to decrease to 3.1% of its original value? A) 2 B) 3 C) 1 D) 5 E) 2.75 17) Calculate the Ksp for silver sulfite if the solubility in pure water is 4.6 x 10-3 g/L. A) 4.8 x 10-10 B) 2.4 x 10-10 91.5 * 10-14 D) 3.8 x 10-15 - 18) Which of the following statements are TRUE? A) The equilibrium constant for the forward reaction is...
In the following reaction: N,04(8) Na(g) +20,(g) + energy, if the temperature is increased the equilibrium will shift to favor. a. the forward reaction (more products) c. both the forward and the reverse reaction b. the reverse reaction (more reactants) d. neither the forward nor the reverse reaction c o Od
9. What does it mean if Keq < 1, at equilibrium? The concentration of reactants is greater than the concentration of products. b. The concentration of products is greater than the concentration of reactants. The rate of the forward reaction is greater than the rate of the reverse reaction. c. d. The rate of the reverse reaction is greater than the rate of the forward reaction. e. The concentration of products and reactants are about the same. Which of the...
Q(22) Kp=Kc when? A) The reaction is at equilibrium B) The reaction is exothermic C) The reaction is endothermic D) all of the gasses present are at the same temperature E) the number of moles of gas on both sides of the balanced equation is the same. Q(23) HAH +A at the equilibrium (HA) = 1.65* 10-2 M and [H") = (A-) = 5.44*10-4 M at equilibrium. Kc = A) 1.7 X 10-1 C) 1.7 X 103 D) 1.7 X...
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