The activation energy, Ea, for a particular reaction is

Q: which has a rate constant, k = 2.95 X 103 s. What percent of A remains after 150 s ?

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Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 754 °C…

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Q: A reaction was found to have a rate constant, k= 1.50 s-1 at 250.0 K . What is the rate constant at…

A: The Arrhenius equation gives the dependence of the rate constant of a chemical reaction on the…

Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 475 K…

A: The given data contains, Ea=13.6 kJ/molrate constant =0.04501 /minTemperature T1=475 KTemperature…

Q: 7. AH for an uncatalyzed reaction is -5.0 kJ/mol. If the activation energy, Ea, is 20.0 kJ/mol,…

A: We know that ΔH = Energy of product - Energy of reactant. ΔH < 0 => Energy of product <…

Q: Chemists graph kinetic data to determine rate constants and the order of reactions. Analyze this…

A: A numerical problem based on chemical kinetics, which is to be accomplished.

Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 475 K…

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Q: For a given reaction, the rate constant triples when the temperature is increased from 32 °C to 71…

A: Given that : The initial temperature = 32°C The final temperature = 71°C We have to calculate the…

Q: Hydrogen peroxide decomposes with a rate constant of 1.8 x 10-5 s-1. How much of the reactant will…

A: The rate constant k is given as 1.8×10-5s-1 initial concentration of reactant = 0.64 M We have to…

Q: The Haber reaction for the manufacture of ammonia is: N2 + 3H2 → 2NH3 Without doing any…

A: Given reaction: N2 + 3H2 → 2NH3

Q: When measured at 22°C, a particular reaction has a rate constant of 5.8x10 /s and an activation…

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Q: A substance decomposes with a rate constant of 9.05 × 104 s1. How long does it take for 10.5% of the…

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Q: What will be the concentration of NO2 after 120. seconds, given a starting concentration of NO2 of…

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Q: The activation energy, Ea, for a particular reaction is 37.8 kJ/mol. If the rate constant at 280 K…

A: We have to predict the value of rate constant at different temperature.

Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 754 °C…

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Q: For the following reaction, CO(g) + NO2(g) → NO(g) + CO2(g) Calculate the activation energy, Ea (kJ…

A: Given,  Reaction: CO(g) + NO2(g) ---> NO(g) + CO2(g)  We need to calculate the activation energy…

Q: The rate constant of a reaction is 7.30×10−5 L/mol·s at 195°C and 1.20×10−3 L/mol·s at 258°C. What…

A: The activation energy of reaction can be calculated using Arrhenius equation.

Q: Calculate the rate constant, k, for a reaction at 62.0 °C that has an activation energy of 89.6…

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Q: a) What is a catalyst? b) What is the difference between a homogeneous and a heterogeneous catalyst?…

A: a. Catalyst is the chemical substances that affect the rate of a chemical reaction. It does not…

Q: Consider the following decomposition reaction: 2HI(g) → H2(g) + 12{g) At a particular temperature,…

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Q: Explain Under what circumstance is the specific rate constant (k), not a constant.What does the size…

A: The specific rate constant is not constant if the reaction is not isothermal as it is a function…

Q: A certain reaction has an activation energy of 39.5 kJ/mol. As the temperature is increased from…

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Q: The reaction of nitric oxide with hydrogen at 1280°C is 2NO(3) + 2H;(3) ► N;(8) + 2H,0(g) From the…

A: The rate law for the reaction is: rate=kNOxH2y ......(1)

Q: A reaction at 20.0 °C exhibits a rate constant of 0.555 s–1. If the reaction is performed at 60 °C,…

A: Consider the given information is as follows; Initial temperature (T1) = 20.0°C = 20.0 + 273.15 =…

Q: The rate constant of a reaction is 2.10 ×10−5 L/mol·s at 195°C and 4.90 ×10−3 L/mol·s at 258°C. What…

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Q: A researcher raises the temperature from 37.8 to 49.8 o C and finds that the rate of the reaction…

A: The expression of Arrhenius equation is shown below: Where; k = rate constant A = Arrhenius…

Q: 6. The rate constant of a reaction is 3.7 x10 s at 25 °C and the activation energy is 42.4 kJ mol…

A: According to Arrhenius theory:                                                k= Ae-Ea/RT  where k…

Q: A substance decomposes with a rate constant of 9.05 × 10⁻⁴ s⁻¹. How long does it take for 14.0% of…

A: Given that ,  Rate constant (k) for decomposition reaction of a substance is 9.05 × 10⁻⁴ s⁻¹. Time…

Q: A reaction has a rate constant, k = 1.29 s-1. What is the half-life (seconds) when the initial…

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Q: The activation energy of a certain reaction is 79.6 kJ/mol . How many times faster will the reaction…

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Q: The rate of a particular reaction quadruples when the temperature is increased from 25°C to 35°C.…

A: Arrhenius equation says the rate constant of a reaction is related to its activation energy at a…

Q: Given that E, for a certain biological reaction is 56 kJ/mol and that the rate constant is 5 x 10-2…

A: Answer :-  3.7 × 10-1 (s-1)  The rate constant of certain biological reaction at 36 °C  = 3.7 × 10-1…

Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 475 K…

A:

Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 475 K…

A: Formula used:                                                lnk1k2=-EaR1T1-1T2 Where, k1 = rate…

Q: A substance decomposes with a rate constant of 9.05 × 10⁻⁴ s⁻¹. How long does it take for 25.5% of…

A: The given data contains, rate constant = 9.05×10-4s-1

Q: 4) If the activation energy of an endothermic reaction is 40 kJ, the activation energy for the…

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Q: A certain reaction has an activation energy of 39.5 kJ/mol. As the temperature is increased from…

A: Given information: Activation energy = 39.5 kJ/mol Increasing factor = 2.80 Initial temperature =…

Q: The rate law for your reaction is Rate= k[NO2]?. The rate constant for this reaction is 2.5 x 103/M…

A: 4) Given, Rate law for the reaction, Rate = k[NO2]2 From rate law we can say that this is a second…

Q: A certain reaction has an activation energy of 39.5 kJ/mol. As the temperature is increased from…

A: Value of activation energy of the reaction in Joules = 39.5 × 103 = 39500 J Let the initial rate…

Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 475 K…

A: Using Arrhenius equation we can calculate the value of the rate constant at different temperature.…

Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 754 °C…

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Q: the reaction of a certain chemical proceeds with an activation energy of about 300kJ/mol? how much…

A: Given, The reaction of a certain chemical proceeds with an activation energy of about 300kJ/mol is :…

Q: The Haber reaction for the manufacture of ammonia is: N2 + 3H2 → 2NH3 Without doing any experiments,…

A: In a reversible reaction of bi-molecular type, the activation energy for forward reaction is…

Q: Consider the reaction A + 2B à C The rate law for this reaction is second order in A and second…

A: Rate of a reaction is the speed at which the reaction proceeds or the reactants getting converted…

Q: The activation energy, Ea, for a particular reaction is 19.4 kJ/mol. If the rate constant at 80 °C…

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Q: A researcher raises the temperature from 39.4 to 56.2 o C and finds that the rate of the reaction…

A: Given that: T1 = 39.4 o C = 39.4+273 = 312.4 K T2 = 56.2 o C= 56.2+273 = 329.2 K initial rate = k1…

Q: 7.For a chemical reaction, the activation energy for the forward reaction is +181 kJ and the…

A: Given: Activation energy for forward reaction, Ef = +181 kJ Activation energy for backward reaction,…

Q: The activation energy, Ea, for a particular reaction is 37.8 kJ/mol. If the rate constant at 280 K…

A: The answer is given below

Q: substance decomposes with a rate constant of 9.05 × 10⁻⁴ s⁻¹. How long does it take for 24.5% of the…

A: Using basics of first order of reaction to calculate the time required.

Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 754 °C…

A: The relationship between rate constant and activation energy is given by  K = A e-Ea / RT  where K =…