The activation energy, Ea, for a particular reaction is 19.4 kJ/mol. If the rate constant at 80 °C is 0.820 M⁻¹s⁻¹, then what is the value of the rate constant at 121 °C? (R = 8.314 J/mol • K)

Q: A first-order reaction has rate constants of 4.6 x 10 2 s1 and 9.3 x 10 2 sl at 0°C and 20.°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: A reaction has an activation energy of 225,0 kJ/mol. By what factor will the rate constant, k,…

A: Arrhenius equation: Arrhenius equation give the relationship between the activation energy and the…

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: The activation energy for a particular reaction is 102 kJ/mol. If the rate constant is 1.35 × 10⁻⁴…

A: Given data: The activation energy, Ea=102 kJ/mol The rate constant at 316 K, k1=1.35 × 10⁻⁴ s⁻¹…

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

A: Given : Activation energy of reaction = 99.0 KJ/mol = 99000 J/mol.…

Q: Calculate the rate constant, k, for a reaction at 67.0 °C that has an activation energy of 77.5…

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Q: The activation energy for a particular reaction is 102 kJ/mol. If the rate constant is 1.35 × 10⁻⁴…

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Q: A researcher raises the temperature from 87.7 to 99.5 o C and finds that the rate of the reaction…

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Q: A researcher raises the temperature from 109 to 126.3 o C and finds that the rate of the reaction…

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Q: Calculate the activation energy of a reaction if its rate constant is 2.8 x 10® s-1 at 24°C and 1.5…

A: Given information,    k1 = 2.8 × 106 s-1  and  T1 = 24 + 273.15 = 297.15 Kk2  = 1.5 × 107 s-1  and…

Q: The rate constant of a reaction is 3.15 ×10−5 L/mol·s at 195°C and 2.45 × 10−3 L/mol·s at 258°C.…

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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: Which reaction responds more strongly to changes of temperature, one with an activation energy of 52…

A: Given: Two reactions one with Ea value 52 kJ mol-1 and other with Ea value 25 kJ mol-1 Take a look…

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: 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: The activation energy for a certain reaction is -164 kJ/mol.  If the rate constant is 117 M-1 s-1 at…

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Q: The activation energy for a particular reaction is 102 kJ/mol. If the rate constant is 1.35 × 10⁻⁴…

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Q: If a temperature increase from 10.0 °C to 20.0 ° C doubles the rate constant for a reaction, what is…

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Q: Calculate the rate constant, k, for a reaction at 63.0 °C that has an activation energy of 76.9…

A: The relation between rate constant, temperature and activation energy is  given by Arrehenius…

Q: Given the same reactant concentrations, the reaction COlg) + Cl2(g) → COC2{g) at 250 degrees Celsius…

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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: The rate constant of a reaction is 4.7X10⁻³ s⁻¹at 25°C,and the activation energy is 33.6 kJ/mol.…

A: The term Arrhenius equation in chemistry can be defined as the equation which is used to dependence…

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

A: Given K1 = 5.0×10-3 L/mol.s T1 = 800°C T2 = 875°C Activation energy (Ea) = 45 kJ

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

A: The relation between rate constant and temperature is given by Arrhenius Equation which is  k =…

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: What is ∆H (in kJ/mol) for a reaction where the activation energy is 250 kJ/mol while the activation…

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Q: The activation energy for a particular reaction is 102 kJ/mol. If the rate constant is 1.35 × 10⁻⁴…

A: For a particular reaction,  Activation energy, Ea = 102 kJ mol-1…

Q: A reaction has a rate constant of 1.27×10−4 s−1 at 28 Celsius and 0.234 s−1 at 79 Celsius. What is…

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

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

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Q: 4) Given the same concentrations, the reaction CO(g) + Ch(g) → COCI;(g) at 250°C is 1.50 x 10° times…

A: The relationship between rate constants at two different temperatures and activation energy is shown…

Q: Calculate the rate constant, k, for a reaction at 60.0 °C that has an activation energy of 77.7…

A: Rate constant is the ratio of product to the reactant where each concentration term is raised to the…

Q: A substance decomposes with a rate constant of 9.05 x 10-4 s1. How long does it take for 12.5% of…

A: Given, Rate constant(K)=9.05×10-4s-1. Let the initial concentration of the substance =100%.…

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 constant for a particular reaction is 1.5 x 10-4 M¯'s-1 at 100 °C and 1.1 x 10~3 M¯'s at…

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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: The activation energy for a particular reaction is 102 kJ/mol. If the rate constant is 1.35 × 10⁻⁴…

A: Activation energy at two different temperature related with rate constants. The relationship is…

Q: A reaction has a rate constant of 0.000122/s at 27 °C and 0.228/s at 77 °C.

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Q: Calculate the rate constant, k, for a reaction at 57.0 °C that has an activation energy of 79.0…

A: Arrhenius equation is k = A. e(-Ea/RT), A= frequency factor Ea= Activation energy R=gas constant T=…

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: Calculate the rate constant, k, for a reaction at 61.0 °C that has an activation energy of 78.9…

A: Answer:- This question is answered by using the simple formula of calculation of rate constant using…

Q: The decomposition of nitrogen dixoide, 2NO2(g) → 2NO(g) + O2(g) has a rate constant of 0.498 M/s…

A: The decomposition of nitrogen dixoide, 2NO2(g) → 2NO(g) + O2(g) Rate Constant, K1 = 0.458 M/s at…

Q: What is ∆H (in kJ/mol) for a reaction where the activation energy is 250 kJ/mol while the activation…

A: ∆H (in kJ/mol) of the reaction is to be calculated The formula to calculate the ∆H of a reaction is

Q: The rate constant of a first-order reaction is 4.60 x 104 s at 350 degrees Celsius. If the…

A: First order reaction is a reaction in which the rate of the reaction is dependent upon the…

Q: Define activation energy Calculate the activation energy for a first order reaction, given that the…

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Q: (b) For a particular reaction, the rate constant k is 2.8 x 105 L mol·' s'' at 27 °C and 7.0 x 10$ L…

A: The given data contains, Rate constant k1 =2.8 ×10-5 L mol-1 s-1Rate constant k2 =7.0 ×10-5 L mol-1…

Q: Calculate the rate constant, k, for a reaction at 54.0 °C that has an activation energy of 86.9…

A: Answer: This question is based on Arrhenius equation which is shown below: logk=-Ea2.303RT+logA…