A reaction has a rate constant of 1.28×10−4 s−1 at 25 ∘C and 0.233 s−1 at...

A reaction has a rate constant of 1.28×10−4 s−1 at 25 ∘C and 0.233 s−1 at 75 ∘C.

What is the value of the rate constant at 15 ∘C?

Expert Solution

queen_honey_blossom answered 2 years ago

A reaction has a rate constant of 1.22×10−4 s−1 at 28 ∘C and 0.229 s−1 at...

A reaction has a rate constant of 1.22×10−4 s−1 at 28 ∘C and 0.229 s−1 at 79 ∘C . What is the value of the rate constant at 16 ∘C ?

Part A A certain first-order reaction has a rate constant of 2.30×10−2 s−1 at 25 ∘C....

Part A A certain first-order reaction has a rate constant of 2.30×10−2 s−1 at 25 ∘C. What is the value of k at 63 ∘C if Ea = 74.0 kJ/mol ? Part B Another first-order reaction also has a rate constant of 2.30×10−2 s−1 at 25 ∘C . What is the value of k at 63 ∘C if Ea = 128 kJ/mol ?

If a 1st order reaction has a rate constant of 2.30 s^-1 at 25 degree C,...

If a 1st order reaction has a rate constant of 2.30 s^-1 at 25 degree C, and at a frequency factor of 2.51*10^5, calculate the activation energy. A) 9715 J/mol B)186 J/mol C) -186 J/mol D) 2.51*10^4 J/mol E) 2.51*10^-4 J/mol

Another first-order reaction also has a rate constant of 2.45×10−2 s−1 at 25 ∘C. What is...

Another first-order reaction also has a rate constant of 2.45×10−2 s−1 at 25 ∘C. What is the value of k at 70 ∘C if Ea = 120 kJ/mol ?

a) At 25 °C the first-order rate constant for a reaction is 2.0 x 103 s-1....

a) At 25 °C the first-order rate constant for a reaction is 2.0 x 103 s-1. The activation energy is 15.0 kJ/mol. What is the value of the rate constant at 75 °C? (5 pts). b)A first-order reaction has rate constants of 4.6 x 10-2 s-1 and 8.1 x 10-2 s-1 at 0 °C and 20 °C, respectively. What is the value of the activation energy? (5 pts)

An uncatalyzed reaction has a rate of 4.4 x 10-7 s–1 at room temperature (25 °C)....

An uncatalyzed reaction has a rate of 4.4 x 10-7 s–1 at room temperature (25 °C). When an enzyme is added the rate is 3.3 x 104 s–1. If the height of the activation barrier for the uncatalyzed rate is 28 kcal/mol, what is the height of the activation barrier for the catalyzed rate? Report your answer in terms of kcal/mol to the nearest tenths. Also, assume the pre-exponential terms for the uncatalyzed and catalyzed reactions are the same.

A reaction has a rate constant of 1.22*10^-4/s at 27 0C and 0.230/s at 78 0C....

A reaction has a rate constant of 1.22*10^-4/s at 27 0C and 0.230/s at 78 0C. Determine the activation barrier for the reaction. What is the value of the rate constant at 18 0C?

22. The rate constant for a reaction is 4.62 x 10-3 s -1 at 300°C. The...

22. The rate constant for a reaction is 4.62 x 10-3 s -1 at 300°C. The activation energy for the reaction is 46 kJ/mol. What is the rate constant at 600°C? A. 1.28 x 10-1 s -1 <-Answer B. 4.66 x 101 s -1 C. 9.37 x 10-1 s -1 D. 4.72 x 103 s -1 E. 9.37 x 103 s -1 Please explain the process in many details.

a. A certain first-order reaction (A→products) has a rate constant of 3.00×10−3 s−1 at 45 ∘C....

a. A certain first-order reaction (A→products) has a rate constant of 3.00×10−3 s−1 at 45 ∘C. How many minutes does it take for the concentration of the reactant, [A], to drop to 6.25% of the original concentration? b. A certain second-order reaction (B→products) has a rate constant of 1.85×10−3M−1⋅s−1 at 27 ∘C and an initial half-life of 300 s . What is the concentration of the reactant B after one half-life?

A certain first-order reaction has a rate constant of 3.00×10−2 s−1s−1 at 21 ∘C∘C. What is...

A certain first-order reaction has a rate constant of 3.00×10−2 s−1s−1 at 21 ∘C∘C. What is the value of kk at 51 ∘C∘C if EaEaE_1 = 76.0 kJ/molkJ/mol ? Express your answer using two significant figures. Another first-order reaction also has a rate constant of 3.00×10−2 s−1s−1 at 21 ∘C∘C. What is the value of kk at 51 ∘C∘C if EaEaE_2 = 110 kJ/molkJ/mol ? Express your answer using two significant figures.

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