A certain reaction has an activation energy of 99.0 kJ/mol and a rate constant of 1.8 s-1 at 123. °C. At what temperature must the reaction be run to decrease the rate by a factor of 4.1?

Q: (a) Explain the following terms :(i) Order of a reaction(ii) Molecularity of a reaction(b) The rate…

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Q: What is the activation energy of the reverse reaction if the forward reaction has an activation…

A: The activation energy of reversible reaction can be calculated by subtracting the enthalpy from the…

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: (c) The rate constant for a certain reaction is 2.52 x 10 *s' at 463K and 6.30 x 10°s at 503 K.…

A: The question is based on the concept of chemical kinetics. we have been given rate constant values…

Q: A certain reaction has an activation energy of 52.53 kJ/mol. At what Kelvin temperature will the…

A: Given K2 = 5 K1

Q: The activation energy, Ea, for a particular reaction is

A: logK2K1  = Ea2.303 R 1T1 - 1T2    where  K1 = 0.178 M/s  at  T1 = 280 K  K2 = ? M/s   at T2…

Q: For the following reaction producing 1 mol of oxygen gas at a particular temperature, ΔH = –180 kJ.…

A: For an exothermic reaction, the activation energy for the reverse reaction is greater than the…

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: A certain reaction has an activation energy of 45.68 kJ/mol. At what Kelvin temperature will the…

A: The given information is: Activation energy = 45.68 kJ/mol = 45680 J/mol Temperature, T1 = 289 K Gas…

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

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Q: The activation energy for this reaction is 274 kJ mol^-1. By what factor does the rate of reaction…

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

A: Concept:  Arrhenius equation: It is a formula to calculate the temperature dependence of reaction…

Q: A reaction has an activation energy of 195.0 kJ/mol. When the temperature is increased from 200°C to…

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Q: The activation energy for the reaction NO2(g) + CO (g) NO (g) + CO2 (g) is 125 kJ/mol, and AE for…

A: The given reaction is : NO2(g)  +  CO(g)  →  NO(g)  +  CO2(g) Here, Activation energy of the…

Q: Define the following terms.(i) Rate constant (k) (ii) Activation energy ( Ea)

A: i) Rate constant- It is the proportionality constant of rate law which is different (and identical…

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: Given a reaction with an activation energy of 2.3 x 104 J/mol. The rate constant will increase by a…

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

Q: A certain reaction has an activation energy of 29.12 kJ/mol. At what Kelvin temperature will the…

A: Given : Activation energy of reaction, Ea = 29.12 KJ/mol = 29120 J/mol…

Q: N2 (g) + 2 O2 (g) N2O4 (g) The above reaction has an activation energy of 495 kJ and a change in…

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Q: A reaction has an activation energy of 3.79 kJ/mol. If the rate constant for the reaction is 6.4E-1…

A: Given activation energy, Ea = 3.79 kJ.mol-1 * (1000 J / 1kJ) = 3790 J.mol-1  Initial state:  Initial…

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

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

A: Activation Energy -  It is the minimum energy required for compounds to result in a chemical…

Q: A certain reaction has an activation energy of 39.23 kJ/mol. At what Kelvin temperature will the…

A: Since the reaction is dependent on the rate constant and rate constant depends on the temperature.…

Q: A certain reaction has an activation energy of 59.88 kJ/mol. At what Kelvin temperature will the…

A: The expression for the ratio of two rate constants at the given temperature is given by Arrhenius…

Q: The activation energy for the reaction H2(g) + I2(g) → 2 HI(g) is 167 kJ/mol, and ∆E for the…

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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 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 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: A certain reaction has an activation energy of 57.33 kJ/mol. At what Kelvin temperature will the…

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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: Given,

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

A: Formula usedlog K2K1=Ea2.303 R 1T1-1T2given Eq=19.4 Kjmol        T1 , K1=273+80 , 0.820       T2 ,…

Q: If a catalyst changes the activation energy of a forward reaction from 117 kJ/mol to 96 kJ/mol, what…

A: Catalyst can be defined as a substance which increases the rate of reaction without being consumed.…

Q: Determine the activation energy, Ea, (in kJ/mol) of the decomposition reaction, CH3CHO →  CH4 + CO.…

A: Given, decomposition reaction is: CH3CHO →  CH4 + CO Rate constant k1 =0.00365M-1/2 s-1 Absolute…

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: The activation energy for the reaction NO2(g)+CO(g)⟶NO(g)+CO2(g) is Ea = 225 kJ/mol and the change…

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Q: 5. The measurement of reaction rates as a function of temperature provides information on the…

A: Rate of reaction is the change in the concentration of the reactants and products with respect to…

Q: A particular reaction has an activation energy, Ea, of 189 kJ/mol.  If the rate constant for the…

A: The Arrhenius equation establishes the relationship between activation energy (Ea), rate constants…

Q: The rate of a reaction becomes four times when the temperature changes from 293 K to 313 K.…

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Q: If the activation energy of a reaction decreases by 4.1 kJ/mol by adding a catalyst, how many times…

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

A: We have given that  Activation energy for Reaction = Ea = 19.4KJ/mol   at T1 = 80°C=353K  Rate…

Q: A certain reaction has an activation energy of 46.9146.91 kJ/mol. At what Kelvin temperature will…

A: You can use the Arrhenius equation and set K1 = 1 and K2 = 6.50 because rate = k [A] so as long as…

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…

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

A: From Arrhenius equation we can find the value of K. Arrhenius gave a relationship between…