What is the activation energy of a reaction if its rate constant at 35 °C was double the value of the rate constant at 25 °C? 68.3 kJ/mol 52.9 kJ/mol 75.1 kJ/mol 63.8 kJ/mol 8.12 kJ/mol

Q: Chemists commonly use a rule of thumb that an increase of 10 K in temperature doubles the rate of a…

A: Each chemical reaction requires a certain amount of energy that is utilized for the conversion of…

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: 1. A certain reaction has an activation energy of 54.0 kJ/mol. As the temperature is increased from…

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Q: Determine the activation energy for this reaction in kJ/mol:  A chemical reaction has a rate…

A: Rate constant (K1) = 0.15 s-1  Rate constant (K2) = 1.35 s-1 Temperature (T1) = 22.0°C = 22.0+273 =…

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: 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: 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: 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: 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: What is the activation energy for a reaction if the rate constant is 1.75 × 10 -4 s -1 at 220°C K…

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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: 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: 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: 13. If the activation energy of an exothermic reaction is 20 kJ mol-1 and the reaction enthalpy is…

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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 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 rate constant for a first-order reaction is 1.7 × 10–2 s–1 at 676 K and 3.9 × 10–2 s–1 at 880…

A: Relationship between activation energy and rate constant. logK2K1=Ea2.303R1T1-1T2 K1 and K2 are rate…

Q: Assuming the activation energies are equal, which of the following reactions will occur at a higher…

A: Activation energy is the extra energy needed by the molecules such that reactant molecules gets…

Q: In the reaction profile shown below, which of the following statements is false? A) The activation…

A: The given energy diagram represents an endothermic reaction. Since, the energy of the product is…

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: If the activation energy for a reaction is 60.6 kJ/mole, how many times faster is the reaction at…

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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 activation energy of a reaction= 39.5 KJ/mol=39500 J/mol We Know, the Arrhenius equation is,…

Q: A certain reaction has a ΔH = -75 kJ and an activation energy of 40 kJ. A catalyst is found that…

A: Activation energy of the reaction is 40 kJ. When a catalyst is added, activation energy of the…

Q: 39.For a given reaction, the activation energy is 63.9 kJ/mol. If the reaction rate constant is 4.1…

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Q: What is the activation energy for a reaction if k= 1.89 X 10^-8 s^-1 at 540 degrees Kelvin and 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: What is ∆H (in kJ/mol) for a reaction where the activation energy is 250 kJ/mol while the activation…

A: Applying Formula of activation energy Ea1= ∆H + Ea2

Q: The rate constant of a reaction exactly doubles when the temperature is changed from 25°C to 36°C.…

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Q: Given the same reactant concentrations, the reaction   CO(g) + Cl2(g) →COCl2(g)   at 259°C is 91.1…

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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:

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

A: Given,

Q: A catalyst reduces the activation barrier of a certain reaction to zero and simultaneously increases…

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Q: An elementary process has an activation energy of 88 kJ/mol. If the enthalpy change for the reaction…

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Q: The rate of a particular reaction increases by a factor of 5 when the temperature is increased from…

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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: If the activation energy of a reaction increases, what happens to the rate constant (k)?   A. the…

A: From the Arrhenius Equation: Ea: Activation Energy. R: Gas Constant (8.314 JK-1mol-1) T:…

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: 3. You have a reaction that is run at 273°C and has a rate constant of 2.52 x 10/s. The same…

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Q: When the temperature rises from 105°C to 168°C and the rate of a reaction increases by 3.609. a.…

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

A: Concept introduction: Effect of temperature on rate of reaction: As the temperature increases rate…

Q: The rate constant of a reaction is 5.00 s-1 at 270C. What will be the rate constant at 470C if the…

A: According to unit conversion, 1 kJ is equal to 103 J/kJ and the given temperatures, 27oC and 470C…

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: activation energy for the reaction of                2NO2(g)   2NO(g) + O2(g)       has been…

A: Arrhenius equation of a reaction establishes a relationship between reaction rate and temperature.…

Q: The energy diagram below shows a reaction with and without catalyst. Based on this diagram, which of…

A: The energy of the reaction can be calculated as: Enthalpyreaction = Eproducts- Ereactants

Q: The activation energy of a reaction is 22.5 kcal mol^-1 and the value of the rate constant at 40…

A: Hence option C is correct that (c)9.7 x 10^10

Q: The decomposition of hydrogen chloride is 2 HCl(g) → H2(g) + Cl2(g) The reaction has rate constants…

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