Aparticular first-order reaction has a rate constant of 1.35 × 102 s-1 at 25.0°c. what is the magnitude of k at 75.0°c if ea = 85.6 kj/mol?

The rate constant is a the rate of reaction for particular reaction. The magnitude of rate constant at 75 is .

Arrhenius equation

A small increase in temperature of the reaction will produce a high increase in the magnitude of the rate constant of the reaction.

Where,

k- rate constant

A- Frequency factor

Ea - Activation energy =  85.6 KJ/mol

R - gas constant

t - temperature =  (25+273) = 298 K

Put the value in the formula

The rate constant 75

T = (75+273) = 348K

put the values in the formula

Therefore, the magnitude of rate constant at 75 is .

To know more about Rate constant,

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