Solve problems relating to the effect of temperature on reaction rates

What is the activation energy of a first order reaction when its rate constant is 0.0521s^-1 at 15°C and 0.572s^-1 at 65°?

What is the activation energy of a first order reaction when its rate constant is 0.0749s^-1 at 25°C and 6.23s^-1 at 75°C? What is A?

What is the activation energy if the frequency factor for a reaction is 15M^-1s^-1 and the rate constant is 0.0276M^-1s^-1 at 376K?

The activation energy for the decomposition of HI(g) to H₂(g) and I₂(g) is 200 kJ/mol. The rate constant at 600 K is 6.82 x 10^-7L/mol·s. What is the rate constant at 820 K?

Calculate the fraction of atoms in a sample of argon gas at 400K that has an energy of 10.0 kJ or greater. 

A certain reaction has an activation energy of 54.0 kJ/mol. As the temperature is increased from 22°C to a higher temperature, the rate constant increases by a factor of 7.00. What is the higher temperature?

The decomposition of compound B has the following rate constants when the reaction is observed at different temperatures. 

What is the activation energy of this reaction?

The decomposition of compound B has the following rate constants when the reaction is observed at different temperatures. 

What is the rate of the reaction at 40C when the starting concentration is 7.5x10^-3M?

The reaction C₂H₅I + OH^-→ C₂H₅OH + I^- was studied in an ethanol (C₂H₅OH) solution, and the rate constants observed at different temperatures are represented in the table below. 

What is the activation energy of this reaction?

The reaction C₂H₅I + OH^-→ C₂H₅OH + I^- was studied in an ethanol (C₂H₅OH) solution, and the rate constants observed at different temperatures are represented in the table below. 

What is the half life of this reaction at 75C?

The first order reaction B→products has a half life of 57.3min at 35C and 4.5 min at 110C. What is the activation energy of the reaction?

The first order reaction B→products has a half life of 57.3min at 35C and 4.5 min at 110C. At what temperature would the half-life be 12 min?

For the first-order reaction 2N₂O₅ (g) → 4NO₂ (g) + O₂(g), the half life is 22.5h at 27C and 1.6h at 45C. What is the activation energy of this reaction?

For the first-order reaction 2N₂O₅ (g) → 4NO₂ (g) + O₂(g), the half life is 22.5h at 27C and 1.6h at 45C.  Determine the rate constant at 50C.

The decomposition of compound B has the following rate constants when the reaction is observed at different temperatures. 

What is the half life of the reaction at 40C when the starting concentration is 7.5x10^-3M?