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The conversion of the molecule X to Y follows second order kinetics. If the concentration X is increased to three times, how will it affect the rate of formation of Y? how will it affect the rate of formation of Y? The conversion of the molecule X to Y follows second order kinetics. If the [...]

In a reaction, 2A→ Products, the concentration of A decreases from 0.5 mol L−1 to 0.4 mol L−1 in 10 minutes. Calculate the rate during this interval ? 2A→ Products In a reaction the concentration of A decreases from 0.5 mol L−1 to 0.4 mol L−1 in 10 minutes. Calculate the rate during this interval [...]

For a reaction A+B→P, the rate law is given by: r=k[A]^1/2[B]^2 What is the order of the reaction? For a reaction A+B→P the rate law is given by: r=k[A]^1/2[B]^2 What is the order of the reaction? June 4, 2021 Category: Chemistry , NCERT Exemplar Class 12 ,

For the reaction R→P, the concentration of a reactant changes from 0.03 M to 0.02 M in 25 min. Calculate the average rate of reaction using units of time both in minutes and seconds. For the reaction R→P the concentration of a reactant changes from 0.03 M to 0.02 M in 25 min. Calculate the [...]

The rate of a particular reaction quadruples when the temperature changes from 293 K to 313 K. Calculate the energy of activation for such a reaction. The rate of a particular reaction quadruples when the temperature changes from 293 K to 313 K. Calculate the energy of activation for such a reaction. June 4, 2021 [...]

The decomposition of A into product has value of k as 4.5×10^3s^−1 at 10∘C and energy of activation of 60 kJmol^−1. At what temperature would k be 1.5×10^4s^−1? The decomposition of A into product has value of k as 4.5×10^3s^−1 at 10∘C and energy of activation of 60 kJmol^−1. At what temperature would k be [...]

The rate constant for the first order decomposition of H2O2 is given by the following equation : log k = 14.34 – 1.25 x 10^4 K/T Calculate Ea for this reaction and rate constant k if its half-life period be 256 minutes. Mention the factors that affect the rate of a chemical reaction. June 4, [...]

The decomposition of hydrocarbon follows the equation k=(4.5×10^11s^−1)e^−28000K/T Calculate the energy of activation (Ea). The decomposition of hydrocarbon follows the equation k=(4.5×10^11s^−1)e^−28000K/T Calculate the energy of activation (Ea). June 4, 2021 Category: Chemistry , NCERT Exemplar Class 12 ,

Sucrose decomposes in acid solution into glucose and fructose according to the first order rate law, with t1/2=3.00hr. What fraction of sample of sucrose remains after 8hr ? Sucrose decomposes in acid solution into glucose and fructose according to the first order rate law with t1/2=3.00hr. What fraction of sample of sucrose remains after 8hr [...]

Consider a certain reaction A→ Products with k=2.0×10^−2s^−1. Calculate the concentration of A remaining after 100 s if the initial concentration of A is 1.0 mol L^−1. Consider a certain reaction A→ Products with k=2.0×10^−2s^−1. Calculate the concentration of A remaining after 100 s if the initial concentration of A is 1.0 mol L^−1. June [...]