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Worksheet: Kinetics and Rate Order 1. The rate of the reaction NO, + CO → NO...
in investigation is performed in which the concentration of nitrogen dioxide reacting is measured as a...
in investigation is performed in which the concentration of nitrogen dioxide reacting is measured as a function of time. Time (S) [NO2](mol/L) 0.500 0.445 0.380 0.340 0.250 0.175 12 30 90 180 a) Plot a graph of (NO) vs. time (5 marks) b) Determine the average rate of reaction of NO2 between 10 and 60s (2 marks) c) As the [NO2) halved, what was the effect on the instantaneous rate of reaction? (2 marks)
1. The kinetics of the following reaction have been studied: N2 + 3 H2 → 2...
1. The kinetics of the following reaction have been studied: N2
+ 3 H2 → 2 NH3 The rate of of appearance of NH3 was measured as
∆[NH3]/∆t = 9.00 x 10-2 mol L-1 s-1
(a) What is the rate of the reaction in mol L-1 s-1?
(b) What is ∆[N2]/∆t in mol L-1 s-1?
(c) What is ∆[H2]/∆t in mol L-1 s-1?
2. The initial rate of the reaction of species A and B A + 2 B →...
1. Initial‑rate data at a certain temperature is given in the table for the reaction N2O3(g)⟶NO(g)+NO2(g)...
1. Initial‑rate data at a certain temperature is given in the table for the reaction N2O3(g)⟶NO(g)+NO2(g) [N2O3]0(M) Initial rate (M/s) 0.100 0.510 0.200 1.020 0.300 1.530 Determine the value and units of the rate constant. k= units: 2. Using the data in the table, determine the rate constant of the reaction and select the appropriate units. A+2B⟶C+D Trial [A] (M)[A] (M) [B] (M)[B] (M) Rate (M/s) 1 0.340 0.340 0.0127 2 0.340 0.680 0.0127 3 0.680 0.340 0.0508 k= Units...
The decomposition of dinitrogen tetroxide to nitrogen dioxide at 400°C follows first-order kinetics with a rate...
The decomposition of dinitrogen tetroxide to nitrogen dioxide at 400°C follows first-order kinetics with a rate constant of 9.17 ×10-3 s-1. Starting with pure N2O4, how many minutes will it take for 85.0% to decompose?
1) 2) 3) The decomposition of dinitrogen tetroxide to nitrogen dioxide at 400°C follows first-order kinetics...
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The decomposition of dinitrogen tetroxide to nitrogen dioxide at 400°C follows first-order kinetics with a rate constant of 3.84 X10-3-1. Starting with pure N204, how many minutes will it take for 38.0% to decompose? Suppose the surface-catalyzed hydrogenation reaction of an unsaturated hydrocarbon has a rate constant of 0.374 M/min. The reaction is observed to follow zero-order kinetics. If the initial concentration of the hydrocarbon is 2.90 M, what is the half-life of the reaction in seconds?...
1) Hydrogen peroxide, H2O2(aq), decomposes to H2O(l) and O2(g) in a reaction that is first order...
1) Hydrogen peroxide, H2O2(aq), decomposes to H2O(l) and O2(g) in a reaction that is first order in H2O2 and has a rate constant k = 1.06×10−3 min−1 at a given temperature. How long will it take for 15% of a sample of H2O2 to decompose? 2)The decomposition of nitrogen dioxide, NO2, into nitrogen monoxide and oxygen at a high temperature is second-order in NO2. The rate constant for this reaction is 3.40 L/mol×min. Determine the time needed for the concentration...
1. A reaction was shown to follow second-order kinetics. How much time is required for [A]...
1. A reaction was shown to follow second-order kinetics. How much time is required for [A] to change from 0.500 M to 0.160 M? (k = 0.456 M⁻¹ s⁻¹) 2. A substance decomposes with a rate constant of 9.05 × 10⁻⁴ s⁻¹. How long does it take for 16.0% of the substance to decompose? 3. How long will it take for the concentration of A to decrease from 0.500 M to 0.100 M in the first-order reaction A → B?...
The rate constant for this first‑order reaction is 0.500 s−1 at 400 degrees C. A⟶products How...
The rate constant for this first‑order reaction is 0.500 s−1 at 400 degrees C. A⟶products How long, in seconds, would it take for the concentration of A to decrease from 0.990 M to 0.340 M?
2. Using the data in the table, determine the rate constant of the reaction and select...
2. Using the data in the table, determine the rate constant of the reaction and select the appropriate units. A+2B⟶C+D Trial [A] (M)[A] (M) [B] (M)[B] (M) Rate (M/s) 1 0.340 0.340 0.0127 2 0.340 0.680 0.0127 3 0.680 0.340 0.0508 k= Units 3. The rate constant for this first‑order reaction is 0.480 s−1 at 400 ∘C. A⟶products How long, in seconds, would it take for the concentration of A to decrease from 0.650 M to 0.270 M? 4. After...
At elevated temperatures, nitrogen dioxide decomposes to nitrogen oxide and oxygen: The reaction is second order...
At elevated temperatures, nitrogen dioxide decomposes to nitrogen oxide and oxygen: The reaction is second order in NO2 with a rate constant of 0.543 M-1 s-1 at 300°C If the initial [NO2] is 0.260 M it will take ________ seconds for the concentration to drop to 0.100 M. 11.3 8.8 × 10-2 -0.611 3.34 0.299
in investigation is performed in which the concentration of nitrogen dioxide reacting is measured as a function of time. Time (S) [NO2](mol/L) 0.500 0.445 0.380 0.340 0.250 0.175 12 30 90 180 a) Plot a graph of (NO) vs. time (5 marks) b) Determine the average rate of reaction of NO2 between 10 and 60s (2 marks) c) As the [NO2) halved, what was the effect on the instantaneous rate of reaction? (2 marks)
1. The kinetics of the following reaction have been studied: N2
+ 3 H2 → 2 NH3 The rate of of appearance of NH3 was measured as
∆[NH3]/∆t = 9.00 x 10-2 mol L-1 s-1
(a) What is the rate of the reaction in mol L-1 s-1?
(b) What is ∆[N2]/∆t in mol L-1 s-1?
(c) What is ∆[H2]/∆t in mol L-1 s-1?
2. The initial rate of the reaction of species A and B A + 2 B →...
1)
2)
3)
The decomposition of dinitrogen tetroxide to nitrogen dioxide at 400°C follows first-order kinetics with a rate constant of 3.84 X10-3-1. Starting with pure N204, how many minutes will it take for 38.0% to decompose? Suppose the surface-catalyzed hydrogenation reaction of an unsaturated hydrocarbon has a rate constant of 0.374 M/min. The reaction is observed to follow zero-order kinetics. If the initial concentration of the hydrocarbon is 2.90 M, what is the half-life of the reaction in seconds?...
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