A certain reaction has k = 8.82 x 10-4  s-1 at 373 K and k = 2.36 × 10-3 s-1 at 401 K. What is the numerical value of the activation energy (in kJ/mol) for this reaction?  Give your answer to three sig figs.

Q: The rate constant for the gas-phase decomposition of N2O Make the appropriate graph using these…

A: The modified Arrhenius equation is given as:   Thus, a plot of ln K versus 1/T would a straight…

Q: For the reaction BrO3– + 5Br–+ 6H+ → 3Br2 + 3H2O at a particular time, –Δ[BrO3–]/Δt = 1.5 × 10–2…

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Q: Consider this reaction data. A⟶products A⟶products     T (K) k (s–1) 225 0.396 575 0.758…

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Q: Calculate the activation energy, Ea, for N205(g) → 2 NO2(g) + 1/2 O2(g) given k (at 45.0 °C) = 5.79…

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Q: The equilibrium constant, K, of a certain first order reaction was measured at two temperatures, T.…

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Q: The activation energy for the reaction H2(g) + I2(g) → 2 HI(g) is 165 kJ/mol, and ∆E for the…

A: Given reaction,    H2(g) + I2(g) → 2 HI(g) Activation energy for the reaction is 165 kJ/mol, and ∆E…

Q: For the reaction I + I --> I2 at 25°C, K = 8.2 x 109 1/sec. This reaction is __. A) cannot determine…

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Q: Given the following data for the reaction A → B, determine the activation energy, Ea, of the…

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

Q: 4. Variation of the rate constant with temperature for the first-order reaction 2N205(g) → 2N204(g)…

A: Given,                             T (K)                        k (s-1 )…

Q: products T (K) | k (s-1) 225 0.399 575 0.895 What two points should be plotted to graphically…

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Q: The activation energy for the reaction H2(g) +I2(g) → 2 HI(g) is 169 kJ/mol, and AE for the reaction…

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Q: The rate constant for the gas-phase decomposition of N2O5, N2O5 2NO2 + 02 has the following…

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Q: The equilibrium constant, K, of a certain first order reaction was measured at two temperatures, T.…

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Q: 63.  The element Co exists in two oxidation states, Co(II) and Co(III), and the ions form many…

A: Given information: T (K) k (s−1) 293(T1) 0.054(K1) 298(T2) 0.100(K2)

Q: For a certain reaction, Kc=2.70×10−9 and kf= 5.97×104 M−2⋅s−1M−2 ⋅ s−1 . Calculate the value of the…

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Q: For the reaction X + 5Y + 6Z --> 3A + 4B at a particular time, -∆[X]/∆t = 1.5x10-2 M/s. What is…

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Q: Using the Arrhenius equation to calculate k at one temperatur... The rate constant of a certain…

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Q: a) Complete the table below by providing the data needed to obtain the activation energy by the…

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Q: The following graph plots In k vs 1/T for a certain reaction. Based on the graph, what is the…

A: Given: lnK1 = -5  at 1/T1 = 0.00293 lnK2 = -10 at  1/T2 = 0.00333

Q: 3. For the reaction NO2(g) + CO(g) → NO(g) + CO2(g) the activation energy is 125 kJ/mol and the H…

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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: The equation k = Ae (Ea/RT) indicates the rate of a reaction decreases when the activation energy…

A: True

Q: Write the overall reaction and the rate laws that corre- spond to the following reaction mechanisms.…

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Q: what is the effect on k as the activation energy for a reaction increases

A: The Arrhenius equation is given as :

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: Explain how to calculate the activation energy for the reaction

A: Activation energy is the minimum amount of energy needed to activate or energize molecules or atoms…

Q: Given the following data for the reaction A → B, determine the activation energy, Ea, of the…

A: Given, k (s−1) T (°C) 0.282 277 0.291 627

Q: Which of the following changes will affect the activation energy of a reaction? 1. Increasing or…

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Q: Determine the activation energy (Ea) and frequency factor (A) for this reaction. T(K) k(M 1s1) 238…

A: Arrhenius equation relates Ea, k, A and T of a reaction. The equation is,  k = Ae-EaRT…

Q: Which energy difference in the energy profile below corresponds to the activation energy for the…

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Q: Consider the initial-rate data at a certain temperature in the table for the reaction described by 2…

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Q: What is the rate law for the reaction and what is the numerical value of k?

A: Let the rate equation is : rate = k[AsO3^3-]^x[Ce^4+]^y ....(1)  From experiment 1, 6.89*10^-3 =…

Q: 2 ClO (g) Cl2 (g) + O2 (g) Determine the activation energy (Ea) and frequency factor (A) for this…

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Q: The figure below shows a plot of In k vs. 1/T for an exothermic and endothermic reaction. Based on…

A: Concept: If the line slants up, slope is +ve   If the line slants down, slope is -ve

Q: Determine the activation energy for the first-order reaction 2NOCI2NO + Cl2 given the following rate…

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Q: A) The reaction is exothermic. 2 -50 B) The activation energy is 50 kJ/mol. -37.5 1 C) AH = -25.0…

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Q: What is the central idea of collision theory? How does thisidea explain the effect of concentration…

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Q: Consider a possible gas-phase reaction between Ca+ and CH4+ to yield Ca+2 and CH4. What important…

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Q: Label the reaction profiles below as exothermic or endothermic and use them to calculate the…

A: Enthalpy change (∆H ) is the heat change when 1 mole of substance is formed from it's elements under…

Q: What is the activation energy in kJ/mol for a reaction that has k = (1.60x10^-4) s-1 at 28.0°C and k…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Given the following data for the reaction A B, determine the activation energ the reaction to three…

A: Given k1 = 0.730  k2 = 0.739

Q: Step 1) A B + C (Fast, equilibrium) Step 2) C → D + E (slow) Write a rate law that is consistent…

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Q: The specific rate constant, k, for a reaction is 2.64 x 10-2 s-1 at 25 °C, and the activation energy…

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Q: Which statement is incorrect for the following reaction profile? 2 50 +37.5 1 25 +12.5 3 Reaction…

A: Ans ACDE

Q: 20. The reaction 2 SO2(g) + 102(g) 2 2 SO3(g) is exothermic. Which of the following statements is…

A: Given reaction 2 SO2(g) + O2(g) ↔ 2 SO3(g)Kc = equilibrium constantEa = Activation Energy∆H° =…

Q: How does the value of k vary with temperature? Explain why this happens in terms of the activation…

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Q: Calculate the activation energy (EA) for the forward reaction.

A: