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3(12) The first-order reaction, 2N2O(g) + 2N2(g) + O2(g), has a rate constant of 0.76 s...
QUESTION 1 (10) Nitric oxide reacts with oxygen to form nitrogen dioxide: 2NO(g) + O2(g) +...
QUESTION 1 (10) Nitric oxide reacts with oxygen to form nitrogen dioxide: 2NO(g) + O2(g) + 2NO2 (g) a) What is the Kc for the reaction if the equilibrium concentration of NO is 0.300 M, O2 is 0.200 M, and NO2 is 0.530 M at 25°C? b) What is the Kp for the same reaction? c) If the equilibrium re-establishes where [NO]=0.150 M and [02]-0.225 M, what is [NO2) at this point under the same temperature? 2(12) The equilibrium constant...
The zero order reaction 2N2O→2N2+O2 has the rate constant k of 7.20×10−3 molL s. If the...
The zero order reaction 2N2O→2N2+O2 has the rate constant k of 7.20×10−3 molL s. If the initial concentration of N2O is 0.891 molL, what is the concentration of N2O after 2.00 seconds? Your answer should have three significant figures (three decimal places).
The zero order reaction 2N2O→2N2+O2 has the rate constant 5.8×10−4 mol/L/s. If the concentration of N2O...
The zero order reaction 2N2O→2N2+O2 has the rate constant 5.8×10−4 mol/L/s. If the concentration of N2O at t=10 seconds is 0.152 mol/L, what was the initial concentration of N2O?
1. A certain first order reaction has a rate constant of 0.036 min-1. How much of the reactant will remain if the reacti...
1. A certain first order reaction has a rate constant of 0.036 min-1. How much of the reactant will remain if the reaction is run for 2.5 hours and the initial concentration of the reactant is 0.31 M? 2. A certain first order reaction has a rate constant of 0.036 min-1. How much of the reactant will remain if the reaction is run for 2.5 hours and the initial concentration of the reactant is 0.31 M? 3. The rate constant...
Quiz 9. 2N20 4 NO2 O2 Rate k[N2O], k-4.0x10-3 (1/s) at certain temperature. a) What is...
Quiz 9. 2N20 4 NO2 O2 Rate k[N2O], k-4.0x10-3 (1/s) at certain temperature. a) What is half-life and how long does it take for N205 concentration to drop to 1o of its original value? b) If the reaction is second order and initial concentration of N20 is 0.01, and k value stay at 4.0x10-3, what is half-life and how long does it take for N2O5 concentration to 10 drop to of its original value? c)If the reaction is zero order...
9,10,11 9. Consider the decomposition reaction of N2Os. 2 N203(g) → 4NO2(g) + O2(g) follows the...
9,10,11
9. Consider the decomposition reaction of N2Os. 2 N203(g) → 4NO2(g) + O2(g) follows the first order kinetics with rate constant of 4.8 x 10's. (a) if the initial 165 x 10-2M what is the concentration at 825 s? (b) How long it will take for concentration is 1.65 x 10-2M what is the concentrat the concentration of N2Os to decrease to 1.00 x 10-2M? t 10. Nitrosyl chloride, NOCI, decomposes slowly to NO and Cl2, the reaction follows...
The rate constant for the second-order reaction: 2N02(g)-→ 2NO(g) + O2(g) is 0.54/M s at 300°C...
The rate constant for the second-order reaction: 2N02(g)-→ 2NO(g) + O2(g) is 0.54/M s at 300°C 2 M to 0.28 Mn (a) How long (in seconds) would it take for the concentration of NO2 to decrease from 0.6 (b) Calculate the half-lives at these two concentrations.
Variation of the rate constant with temperature for the first-order reaction 2N2(g) + O(g) → 2N2O4(g)...
Variation of the rate constant with temperature for the first-order reaction 2N2(g) + O(g) → 2N2O4(g) is given in the following table. Determine the activation energy and pre-exponential factor for the reaction. What would be the rate constant at 350 K? Temperature / K Rate Constant / s-1 273 7.87 x 103 298 3.46 x 105 318 4.98 x 106 338 4.87 x 107 What is the activation energy in kJ/mol? Do not enter the units with your answer. What...
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?
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...
QUESTION 1 (10) Nitric oxide reacts with oxygen to form nitrogen dioxide: 2NO(g) + O2(g) + 2NO2 (g) a) What is the Kc for the reaction if the equilibrium concentration of NO is 0.300 M, O2 is 0.200 M, and NO2 is 0.530 M at 25°C? b) What is the Kp for the same reaction? c) If the equilibrium re-establishes where [NO]=0.150 M and [02]-0.225 M, what is [NO2) at this point under the same temperature? 2(12) The equilibrium constant...
Quiz 9. 2N20 4 NO2 O2 Rate k[N2O], k-4.0x10-3 (1/s) at certain temperature. a) What is half-life and how long does it take for N205 concentration to drop to 1o of its original value? b) If the reaction is second order and initial concentration of N20 is 0.01, and k value stay at 4.0x10-3, what is half-life and how long does it take for N2O5 concentration to 10 drop to of its original value? c)If the reaction is zero order...
9,10,11
9. Consider the decomposition reaction of N2Os. 2 N203(g) → 4NO2(g) + O2(g) follows the first order kinetics with rate constant of 4.8 x 10's. (a) if the initial 165 x 10-2M what is the concentration at 825 s? (b) How long it will take for concentration is 1.65 x 10-2M what is the concentrat the concentration of N2Os to decrease to 1.00 x 10-2M? t 10. Nitrosyl chloride, NOCI, decomposes slowly to NO and Cl2, the reaction follows...
The rate constant for the second-order reaction: 2N02(g)-→ 2NO(g) + O2(g) is 0.54/M s at 300°C 2 M to 0.28 Mn (a) How long (in seconds) would it take for the concentration of NO2 to decrease from 0.6 (b) Calculate the half-lives at these two concentrations.
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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