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Select the correct diagram for an endothermic reaction that proceeds through two steps with the second steps is rate determining : Select the correct diagram for an endothermic reaction that proceeds through two steps with the second steps is rate determining : June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear Chemistry (Level [...]

For an exothermic chemical process occurring in two steps as: (i) A+B→X (Slow); (ii) X→AB (Fast) The progress of the reaction can be best described by: For an exothermic chemical process occurring in two steps as: (i) A+B→X (Slow); (ii) X→AB (Fast) The progress of the reaction can be best described by: June 3, 2021 [...]

When the activation energies of the forward and backward reactions are equal, then : then When the activation energies of the forward and backward reactions are equal June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear Chemistry (Level 1 and Level 2) , N Awasthi Physical Chemistry ,

The activation energy of the reaction, A+B→C+D+38 kcal is 20 kcal. What would be the activation energy of the following reaction. C+D→A+B A+B→C+D+38 kcal is 20 kcal. What would be the activation energy of the following reaction. C+D→A+B The activation energy of the reaction June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear [...]

For an endothermic reaction, where ΔH represents the enthalpy of reaction in kJmol^−1, the minimum value for the energy of activation will be For an endothermic reaction the minimum value for the energy of activation will be where ΔH represents the enthalpy of reaction in kJmol^−1 June 3, 2021 Category: Chapter 7 - Chemical Kinetics [...]

A decomposes as . The rate of appearance of B, taking 2 M concentration of A, is equal to : A decomposes as . The rate of appearance of B is equal to taking 2 M concentration of A June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear Chemistry (Level 1 and Level [...]

At 300 K the half-life of a sample of a gaseous compound initially at 1 atm is 100 sec. When the pressure is 0.5 atm the half-life is 50 sec. The order of reaction is At 300 K the half-life of a sample of a gaseous compound initially at 1 atm is 100 sec. When [...]

The value of t0.875/t0.50 for nth order reaction is The value of t0.875/t0.50 for nth order reaction is June 3, 2021 Category: Chapter 7 - Chemical Kinetics and Nuclear Chemistry (Level 1 and Level 2) , N Awasthi Physical Chemistry ,

For a particular reaction with initial conc. Of the reactants as a1 and a2, the half-life period are t1 and t2 respectively. The order of the reaction (n) is given by : For a particular reaction with initial conc. Of the reactants as a1 and a2 the half-life period are t1 and t2 respectively. The [...]

The decomposition of azo methane, at certain temperature according to the equation (CH3)3N2→C2H5+N2 is a first order reaction. After 40 minutes from the start, the total pressure developed is found to be 350mmHg in place of initial pressure 200 mm Hg of azo methane . The value of rate constant k is at certain temperature [...]