The activation energy for the reaction `:` `2HI(g) rarr H_(2)(g)+I_(2)(g)` is `209.5 kJ mol^(-1)` at `581K`. Calculate the fraction of molecules of reactants having energy equal to or greater than activation energy ?
Text Solution
Verified by Experts
`1.471xx10^(-19)`
Topper's Solved these Questions
CHEMICAL KINETICS
NCERT|Exercise Exercise|1 Videos
CHEMICAL KINETICS
NCERT|Exercise SOLVED EXAMPLE|1 Videos
BIOMOLECULES
NCERT|Exercise Exercise|33 Videos
CHEMISTRY IN EVERYDAY LIFE
NCERT|Exercise Exercise|32 Videos
Similar Questions
Explore conceptually related problems
The activation energy for the reaction : ltbr. 2Hl(g) rarr H_(2)(g)+I_(2)(g) is 209.5 kJ mol^(-1) at 581K . Calculate the fraction of molecules of reactants having energy equal to or greater than activation energy ?
The activation energy for the reaction, 2Hi(g) to H_(2)(g) + I_(2)(g) is 209.5 kJ moli^(-1) at 581 K. Calculate the fraction of molecules of reactants having energy equal to or greater than activation energy.
The activation energy for the reaction: 2AB rarr A_(2)+B_(2)(g) is 159.7 kJ mol^(-1) at 500 K . Calculate the fraction of molecules of reactants having energy equal to or greater than activation energy. (Given: 2.3 xx 8.314 J K^(-1) mol^(-1) xx 500 K = 9561.1 J mol^(-1) )
The activation energy for the reaction - H_(2)O_(2)toH_(2)O+(1)/(2)O_(2) is 18 K cal//mol at 300 K. calculate the fraction of molecules of reactonts having energy equal to or greater than activation energy ? Anti log (-13.02)=9.36xx10^(-14)
The activation energy for the decomposition of hydrogen iodide at 581 K is 209.5 kJ mol^(–1) . Calculate the fraction of molecules having energy equal to activation energy.
What is the fraction of molecules having energy equal to or greater than activation energy, E_(a) ? What is this quantity called ?
The standard Gibbs energy change for the reaction 2SO_2(g) +O_2(g) to 2SO_3 (g) is -142 kJ mol^(-1) at 300 K. Calculate equilibrium constant.
If the activation energy of a reaction is 80.9 kJ "mol"^(-1) . Calculate he fraction of molecules at 400^(@)C which have enough energy to react to from products