In Arrhenius equation for a certain reaction, the values of A and Ea (activation energy) are 4×1013sec−1 and 98.6kJmol−1 respectively. At what temperature, the reaction will have specific rate constant 1.1×10−3sec−1?
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Solution
According to Arrhenius equation, k=Ae−Ea/RT or logek=logeA−EaRTlogee or 2.303log10k=2.303log10A−EaRT or 2.303log(1.1×10−3)=2.303log(4×1013)−98.6×1038.314×T T=98.6×1038.314×2.303×16.56K=310.96K