1. A researcher raises the temperature from 77.1 to 95.2 o C and finds that the...
1. A researcher raises the temperature from 77.1 to 95.2 o C and finds that the rate of the reaction doubles. What was the activation energy (in Joules) for this reaction? (R = 8.3145 J/molK).
2. The reaction A → B + C is zero order with respect to A. When [A]0 = 0.544 M, the reaction is 28 % complete at 91.5 min. Calculate the half-life for this reaction.
Homework Answers
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1. A researcher raises the temperature from 77.1 to 95.2 o C and
finds that the...
*A researcher raises the temperature from 60 to 77.9 o C and finds that the rate...
*A researcher raises the temperature from 60 to 77.9 o C and finds that the rate of the reaction doubles. What was the activation energy (in Joules) for this reaction? (R = 8.3145 J/molK) *A researcher raises the temperature from 85.8 to 102.7 o C and finds that the rate of the reaction doubles. What was the activation energy (in kJ) for this reaction? (R = 8.3145 J/molK)
please help A researcher raises the temperature from 44.2 to 61.6 °C and finds that the...
please help
A researcher raises the temperature from 44.2 to 61.6 °C and finds that the rate of the reaction doubles. What was the activation energy in /mol) for this reaction? (R-8.3145 /mold mol
please help A researcher raises the temperature from 44.2 to 61.6°C and finds that the rate...
please help
A researcher raises the temperature from 44.2 to 61.6°C and finds that the rate of the reaction doubles. What was the activation energy in /mol) for this reaction? (R - 8.3145 /mol K) Imol
For the following first order reaction, the half-life is 28.3 and the [A]0 = 1.36. Calculate the rate constant.
A.For the following first order reaction, the half-life is 28.3 and the [A]0 = 1.36. Calculate the rate constant.2A -> 3BB.Consider the following reaction. aA + bB -> cCwhose first and second half-lives are 38.2 and 19.1 minutes respectively. If the rate constant is equal to 0.2148 and [A]0 = 16.41, calculate the [A] at t 5.87 minutes.C.A researcher raises the temperature from 46.4 to 66 °C and finds that the rate of the reaction doubles. What was the activation energy (in...
1. The reaction A → B + C is zero order with respect to A. When...
1. The reaction A → B + C is zero order with respect to A. When [A]0 = 0.544 M, the reaction is 28 % complete at 91.5 min. Calculate the half-life for this reaction. 2. Consider the following reaction. Calculate the value of the rate constant.. 2 A + B →→ 2 C A B C Rate Trial 1 0.64 0.56 0.012 7.463 Trial 2 1.28 0.56 0.012 14.926 Trial 3 0.64 1.12 0.012 14.926 Trial 4 0.1...
Could I get help on part B 3a. A certain first-order reaction is 35.5% complete in...
Could I get help on part B
3a. A certain first-order reaction is 35.5% complete in 4.90 minutes at 25°C. What is its rate constant e-kt K,=0.0895 min 64.5% min - 10 0.645 1.00 to = 8.95 x 100% 4.905 -0.0895 min 3b. If a first-order reaction has an activation energy of 104,600 J/mole and an A value of 5 x 10 sec !, at what temperature will the reaction have a half-life of 1 min? What about 30 days?
1) 2) 3) The decomposition of dinitrogen tetroxide to nitrogen dioxide at 400°C follows first-order kinetics...
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?...
1. If the rate constant of a reaction increases by 2.5 when the temperature is increased...
1. If the rate constant of a reaction increases by 2.5 when the temperature is increased from 25 C to 34 C, then what is the activation energy (in kJ/mole) of the reactions? 2. If a reaction is first order with a rate constant of 4.48 x 10 ^ -2 sec ^-1, how long is required for 3/4 of the initial concentration of reactant to be used up? 3. Which statement is true or NOT regarding the experimental determination of...
. (a) If a first-order reaction has an activation energy of 104.6 kJ/mol and, in the...
. (a) If a first-order reaction has an activation energy of 104.6 kJ/mol and, in the equation k = k0 exp (-Ea/RT), k0 has a value of 5×1013/s, at what temperature will the reaction have a half-life of (i) 1 h; (ii) 1 day? [Note: the value of R is 8.314 kJ/kmol·K.] (b) If the sterilization of a biomaterial was heating at 121°C for 5 min, it could only be heated at 111°C due to the failure of the heating...
A batch reactor operating at near room temperature, 25°C, is currently taking six hours to reach...
A batch reactor operating at near room temperature, 25°C, is currently taking six hours to reach ninety percent conversion for an irreversible second-order liquid-phase reaction. Account the time to fill, empty, and clean the reactor, this allows one batch to be handled during an ei hour work shift. ing for ght- There is now pressure to cut the reaction time in half, to three hours, so two batches can be handled during a shift. When the reactor temperature is increased...
please help
A researcher raises the temperature from 44.2 to 61.6 °C and finds that the rate of the reaction doubles. What was the activation energy in /mol) for this reaction? (R-8.3145 /mold mol
please help
A researcher raises the temperature from 44.2 to 61.6°C and finds that the rate of the reaction doubles. What was the activation energy in /mol) for this reaction? (R - 8.3145 /mol K) Imol
Could I get help on part B
3a. A certain first-order reaction is 35.5% complete in 4.90 minutes at 25°C. What is its rate constant e-kt K,=0.0895 min 64.5% min - 10 0.645 1.00 to = 8.95 x 100% 4.905 -0.0895 min 3b. If a first-order reaction has an activation energy of 104,600 J/mole and an A value of 5 x 10 sec !, at what temperature will the reaction have a half-life of 1 min? What about 30 days?
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?...
A batch reactor operating at near room temperature, 25°C, is currently taking six hours to reach ninety percent conversion for an irreversible second-order liquid-phase reaction. Account the time to fill, empty, and clean the reactor, this allows one batch to be handled during an ei hour work shift. ing for ght- There is now pressure to cut the reaction time in half, to three hours, so two batches can be handled during a shift. When the reactor temperature is increased...
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