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Factors influencing rate of reaction

Question

What is the activation energy for a reaction if its rate doubles when the temperature is raised from 20°C to 35°C?

R=8.314Jmol1K1

Moderate
Solution

logk2k1=Ea2.303R1T11T2 k2=2k1, T1=20+273=293KorT2=35+273=308K R=8.314Jmol1K1 log2=Ea2.303×8.31412931308 0.3010=Ea19.147×15293×308 Ea=34673Jmol1  or  34.7kJmol1



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