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Thursday, October 1, 2020
The rate of a reaction triple when temperature changes from 20”C to 50”C. Calculate energy of activation for the reaction (R = 8.314 JK^-1 mol^-1).
Related Questions:
What is Arrhenius equation ?
what happen when activation energy of a chemical reaction becomes equal to RT?
What is the activation energy and how to different from threshold energy ?
In Arrhenius equation for a certain reaction, the value of A and Ea (activation energy) are 4 × 10^13 sec–1 and 98.6 kJ mol–1 respectively. At what temperature, the reaction will have specific rate constant 1.1 × 10^–3 sec–1?
The energy of activation for a reaction is 100 kJ mol–1. Presence of a catalyst lowers the energy of activation by 75%.What will be effect on rate of reaction at 20ºC, other things being equal?
A drug becomes ineffective after 30 % decomposition. The original concentration of a sample was 5mg/mL which becomes 4.2 mg/mL during 20 months. Assuming the decomposition of first order , calculate the expiry time of the drug in months. What is the half life of the product?
A first order reaction is 20 % completed in 10 minutes. Calculate the time taken for the reaction to go to 80 % completion.
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