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.

Expert Solution

queen_honey_blossom answered 1 year ago

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?

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

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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)

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A first-order reaction has rate constants of 4.6 x 10-2 s-1 and 8.1 x 10-2 s-1...

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