[" A first order reaction is "50%" complete in "30" minutes at "27^(@)C" and in "10" minutes at "47^(@)C" .Calculate the "],[" rate constant for the reaction at "27^(@)C&47^(@)C" and "],[" energy of activation for the reaction."]

A 1st order reaction is 50% complete in 30 minutes at 27^(@)C and in 10 min at 47^(@)C . Calculate (i) rate constant for the reaction at 27^(@)C and 47^(@)C (ii) energy of activation for the reaction.

A 1st order reaction is 50% complete in 30 minute at 27^(@)C and in 10 minute at 47^(@)C . Calculate the: (a) Rate constant for reaction at 27^(@)C and 47^(@)C . (b) Energy of activation for the reaction. (c ) Energy of activation for the reverse reaction if heat of reaction is -50 kJ mol^(-1) .

A first order reaction is 50% complete in min at 27^(@)C ?and 10 min at 47^(@)C . Calculate the rate constant and activation energy at 27^(@)C .

A first order reaction is 50% completed in 20 minutes at 27^(@) C and in 5 minutes at 47^(@) . The energy of activation of the reaction is :

A first order reaction is 50% completed in 20 minutes at 27^(@)C and in 5 min at 47^(@)C . The energy of activation of the reaction is

A first order reaction is 50% complete in 30 minutes at 27^(@) C and in 10 minutes at 47^(@) C. Calculate the reaction rate constants at these temperatures and the energy of activation of the reaction in kJ//mol (R=8.314 J mol^(-1)K^(-1))

A first order reaction is 50% complete in 20 minutes. What is its rate constant?