(a) A certain first-order reaction has a rate constant of 2.75 * 10-2 s-1 at 20 °C. What is the value of k at 60 °C if Ea = 75.5 kJ>mol ? (b) Another first-order reaction also has a rate constant of 2.75 * 10-2 s-1 at 20 °C. What is the value of k at 60 °C if Ea = 125 kJ>mol ? (c) What assumptions do you need to make in order to calculate answers for parts (a) and (b)?

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Q: A particular first-order reaction has a rate constant of 1.35 × 102 s−1 at 25.0 ∘C. What is the…

A: Given- Rate constant at 25 °C , K1 = 1.35 × 102 s-1Temperature, T1 = 25 °CTemperature, T2 = 75…

Q: A certain reaction has an activation energy of 99.0 kJ/mol and a rate constant of 1.8 s-1 at 123.…

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Q: * 97% 7:57 PM Wed Feb 12 х Unanswered •1 attempt left • Due on Feb 13 After 48 seconds, 10.% of…

A: The integrated rate law for first-order reaction can be given as,

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Q: If a reaction with an activation energy of 45.2 kJ/mol occurs with a rate constant of 0.39 s-1 at…

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Q: If the rate constant of a reaction is k = 3 × 10-4 s-1, then identify the order of the reaction.

A: Given: Rate constant of a reaction is k = 3 × 10-4 s-1

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Q: Consider the decomposition of A to certain products, initially at 1.0 M. Determine the rate constant…

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Q: 3. The reaction: A -B + C is known to be zero order in A and to have a rate constant of 5.0 × 102…

A: The integrated rate law of zero order reaction is given as :   Half-life of a reaction is the time…

Q: 3. The following results were obtained by monitoring the reaction H+I + 1/2 H,O, - 1/2 Ly + H,O (aq)…

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Q: The rate constant of a first order reaction is 4.60x10-4s-1 at 350.°C. If the activation energy is…

A: Solution: We have rate constant (k1) at 350 degree is 4.60*10^-4 s^-1 and to find is rate constant…

Q: Enter your answer in the provided box. The reaction 2A B is first order in A with a rate constant of…

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Q: 3. A particular first-order reaction has a rate constant of 1.35 × 10² s-l at 25.0°C. At what…

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Q: If a temperature increase from 20.0 °C to 35.0 °C triples the rate constant for a reaction, what is…

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Q: A second order reaction whose rate constant at 800 °C was found to be 5.0 x 10* L mol s' has an…

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Q: Suppose that the rate constant of a reaction decreases by a factor of 1.23 when the temperature is…

A: Arrhenius equation:      k = A e-Ea/RTFor rate constant at two different temperatures,   ln k2k1 =…

Q: A certain first-order reaction A → B is 25% complete in 42 min at 25°C. What is the half-life of the…

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Q: A certain first-order reaction is 46.3% complete in 7.23 min at 25 deg Celcius. What is its rate…

A: Given-> Time = 7.23 min  Completion of reaction = 46.3%

Q: In a series of experiments on the decomposition of dinitrogren pentoxide, N2O5, rate constants were…

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Q: A particular first-order reaction has a rate constant of 1.35 x 102 s1 at 25.0 °C. What is the…

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Q: Ca lcu late the ratio of rates of catalysed to non-catalysed reactions at 37 oC given that the…

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Q: The rate constant of a reaction at 32 °C is measured to be 0.055/s. If the frequency factor is 1.2 ×…

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Q: The rate constant for this second-order reaction is 0.670 M–1·s–1 at 300 °C.How long (in seconds)…

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Q: The decomposition of N2O5 to NO2 and NO3 is a first-order gas-phase reaction. At 25°C, the reaction…

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Q: A first-order reaction has a rate constant k = 0.0815 s-1 at a temperature of 65oC and a rate…

A: To calculate activation energy of the reaction in kJ/mole with the given rate constant at different…

Q: A first-order reaction has an activation energy of 83 kJ/mol. If the rate constant for this reaction…

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Q: The reaction A + 2B ----> C is first order in B and A. The overall order of the reaction is…

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Q: The decomposition of N2O5 to NO2 and NO3 is a first-order gas-phase reaction. At 25°C, the reaction…

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Q: 2. A reaction has an activation energy of 225,0 kJ/mol. By what factor will the rate constant, k,…

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Q: A certain first-order reaction has a rate constant of 2.35 x 102 s-1 at 25°C. What is the value of k…

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Q: The rate constant of a reaction is 0.38s-1 at 727 C and 0.87s-1 at 757C. Calculate the activation…

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Q: A particular first-order reaction has a rate constant of 1.35 x 102 s-1 at 25.0oC. What is the…

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A: Correct answer:  9.49e-1 M-1s-1

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Q: (a) The reaction H2O2(aq)---->H2O(l) + 1/2O2(g) is firstorder. At 300 K the rate constant equals…

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Q: A second order reaction has a rate constant of 8.7x10-4/(M·s) at 30°C. At (4.50x10^1)°C, the rate…

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Q: When a reaction is performed at a temperature of 314. K, the rate constant is 1.9 x 10-6 s-1. When…

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Q: A particular first-order reaction has a rate constant of 1.35 x 102 s at 25.0 °C. What is the…

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