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Question 3 (Mandatory) (5 points) The rate constant of a first-order decomposition reaction is 0.0147 s....
25. The rate constant of a first-order decomposition reaction is 0.0267 s-l. If the initial concentration...
25. The rate constant of a first-order decomposition reaction is 0.0267 s-l. If the initial concentration of reactant is 0.198 M, what is the concentration of reactant after 30.0 seconds? 26 Hydrogen perovide dome
13) Give the characteristic of a second order reaction having only one reactant A) The rate...
13) Give the characteristic of a second order reaction having only one reactant A) The rate of the reaction is not proportional to the concentration of the reactant. B) The rate of the reaction is proportional to the natural logarithm of the concentration of the reactant C) The rate of the reaction is proportional to the square root of the concentration of the reactant D) The rate of the reaction is directly proportional to the concentration of the reactant. E)...
2. Answer the following questions by connecting the half-life of each first-order reaction to the rate...
2. Answer the following questions by connecting the half-life of each first-order reaction to the rate constant. a. The rate constant of a first-order reaction is 2.43 × 10–2 min–1. What is the half-life of the reaction? (2 points) b. A first-order reaction has a rate constant of 0.547 min-1. How long will it take a reactant concentration 0.14 M to decrease to 0.07 M? (2 points) c. The half-life of a first-order reaction is 5.47 min. What is the...
A certain reactant disappears by a first order reaction that has a rate constant K= 3.5x10^-3...
A
certain reactant disappears by a first order reaction that has a
rate constant K= 3.5x10^-3 s-1. If the initial concentration of the
reactant is 0.500 M , how long will it take for the concentration
to drop to
0.200 M ?
4. A certain reactant disappears by a first-order reaction that has a rate constant k=3.5 x 10 s. If the initial concentration of the reactant is 0.500 M, how long will it take for the concentration to drop...
Question 2 (5 points) ✓ Saved Consider the following reaction and its equilibrium constant: SO2(g) +...
Question 2 (5 points) ✓ Saved Consider the following reaction and its equilibrium constant: SO2(g) + NO2(g) = SO2(g) + NO(g) K = 0.33 A reaction mixture initially contains 0.61 M SO2, 0.10 M NO2, 0.16 M SO3 and 0.23 M NO. Which of the following statements is TRUE? The reaction is already at equilibrium The reaction will proceed in the direction of reactants to reach equilibrium The rates of the forward and backward reactions are initially equal The reaction...
Question 2 (5 points) Consider the following reaction and its equilibrium constant: SO2(g) + NO2(g) =...
Question 2 (5 points) Consider the following reaction and its equilibrium constant: SO2(g) + NO2(g) = 503(9) + NO(g) Kc = 0.33 A reaction mixture initially contains 0.61 M SO2, 0.10 M NO2, 0.16 M SO, and 0.23 M NO. Which of the following statements is TRUE? The reaction is already at equilibrium The reaction will proceed in the direction of products to reach equilibrium The reaction quotient is larger than the equilibrium constant The rates of the forward and...
The equilibrium constant () of the reaction below is K-6.0 x 10 with initial concentrations as...
The equilibrium constant () of the reaction below is K-6.0 x 10 with initial concentrations as follows: [H2] = 1.0 x 102 M. [Na] - 4.0 M, and (NH) - 1.0 x 10* M. N (8) + 3H,() 2NH3(e) 3. Consider the chemical reaction: N2 + 3H2 yields 2NH3. If the concentration of the reactant Hy was increased from 1.0 x 10-2M to 2.5 x 10-M, calculate the reaction quotient (C) and determine which way the chemical system would shift...
Question 5 (5 points) A reaction that is second order in a single reactant has an...
Question 5 (5 points) A reaction that is second order in a single reactant has an initial concentration of 0.910 M and a rate constant of 0.441 M-15-1. What is the concentration of this reactant at 94.0 s? 0.0235 M 0.00907 M 0.157 M 0.420 M 0.365 M
07 Question (6 points) The equilibrium constant Ke for the reaction below is is 6.755x105 1st...
07 Question (6 points) The equilibrium constant Ke for the reaction below is is 6.755x105 1st attempt Part 1 (2 points) The initial composition of the reaction mixture is [C] [D]- [E]- 1.7110x103 M What is the equilibrium concentration of C? Part 2 (2 points) What is the equilibrium concentration of D? Part 3 (2 points) What is the equilibrium concentration of E?
A certain first-order reaction (A products) has a rate constant of 5.40 10-3 s I at...
A certain first-order reaction (A products) has a rate constant of 5.40 10-3 s I at 45 °C How many minutes does it take for the concentration of the reactant, [A], to drop to 6.25% of the original concentration? at 27 °C A certain second-order reaction (B-products) has a rate constant of 1.05x10-3 M 1.s and an initial half-life of 266 s What is the concentration of the reactant B after one half-life?
25. The rate constant of a first-order decomposition reaction is 0.0267 s-l. If the initial concentration of reactant is 0.198 M, what is the concentration of reactant after 30.0 seconds? 26 Hydrogen perovide dome
13) Give the characteristic of a second order reaction having only one reactant A) The rate of the reaction is not proportional to the concentration of the reactant. B) The rate of the reaction is proportional to the natural logarithm of the concentration of the reactant C) The rate of the reaction is proportional to the square root of the concentration of the reactant D) The rate of the reaction is directly proportional to the concentration of the reactant. E)...
A
certain reactant disappears by a first order reaction that has a
rate constant K= 3.5x10^-3 s-1. If the initial concentration of the
reactant is 0.500 M , how long will it take for the concentration
to drop to
0.200 M ?
4. A certain reactant disappears by a first-order reaction that has a rate constant k=3.5 x 10 s. If the initial concentration of the reactant is 0.500 M, how long will it take for the concentration to drop...
Question 2 (5 points) ✓ Saved Consider the following reaction and its equilibrium constant: SO2(g) + NO2(g) = SO2(g) + NO(g) K = 0.33 A reaction mixture initially contains 0.61 M SO2, 0.10 M NO2, 0.16 M SO3 and 0.23 M NO. Which of the following statements is TRUE? The reaction is already at equilibrium The reaction will proceed in the direction of reactants to reach equilibrium The rates of the forward and backward reactions are initially equal The reaction...
Question 2 (5 points) Consider the following reaction and its equilibrium constant: SO2(g) + NO2(g) = 503(9) + NO(g) Kc = 0.33 A reaction mixture initially contains 0.61 M SO2, 0.10 M NO2, 0.16 M SO, and 0.23 M NO. Which of the following statements is TRUE? The reaction is already at equilibrium The reaction will proceed in the direction of products to reach equilibrium The reaction quotient is larger than the equilibrium constant The rates of the forward and...
The equilibrium constant () of the reaction below is K-6.0 x 10 with initial concentrations as follows: [H2] = 1.0 x 102 M. [Na] - 4.0 M, and (NH) - 1.0 x 10* M. N (8) + 3H,() 2NH3(e) 3. Consider the chemical reaction: N2 + 3H2 yields 2NH3. If the concentration of the reactant Hy was increased from 1.0 x 10-2M to 2.5 x 10-M, calculate the reaction quotient (C) and determine which way the chemical system would shift...
Question 5 (5 points) A reaction that is second order in a single reactant has an initial concentration of 0.910 M and a rate constant of 0.441 M-15-1. What is the concentration of this reactant at 94.0 s? 0.0235 M 0.00907 M 0.157 M 0.420 M 0.365 M
07 Question (6 points) The equilibrium constant Ke for the reaction below is is 6.755x105 1st attempt Part 1 (2 points) The initial composition of the reaction mixture is [C] [D]- [E]- 1.7110x103 M What is the equilibrium concentration of C? Part 2 (2 points) What is the equilibrium concentration of D? Part 3 (2 points) What is the equilibrium concentration of E?
A certain first-order reaction (A products) has a rate constant of 5.40 10-3 s I at 45 °C How many minutes does it take for the concentration of the reactant, [A], to drop to 6.25% of the original concentration? at 27 °C A certain second-order reaction (B-products) has a rate constant of 1.05x10-3 M 1.s and an initial half-life of 266 s What is the concentration of the reactant B after one half-life?
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