Q. 134.3( 6 Votes )

A first order rea

Answer :

Rate constant for first order reaction is given by:

Where k is the rate constant, t is the time, Ro is the initial concentration and R is the final condition.

At 300K,

=0.058 × log 2

=0.058 × 0.301


At 320K,

=0.11× log 2

=0.11 × 0.3010=0.034


log = ()

Where Ea is the activation energy

K1, T1 is the temperature of 300 K

K2, T2 is the temperature of 320 K

Putting the value in the above equation,


Ea=28,805.7 j mol-1

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