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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Answer the following in one or two sentences. Write the Arrhenius equation and explain the terms involved in it.

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प्रश्न

Answer the following in one or two sentences.

Write the Arrhenius equation and explain the terms involved in it.

एका वाक्यात उत्तर
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उत्तर

Arrhenius equation: k = `Ae^((-E_a)/(RT))`
where k is the rate constant, Ea is the activation energy, R molar gas constant, T temperature in kelvin and A is the pre-exponential factor.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 6: Chemical Kinetics - Exercises [पृष्ठ १३६]

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बालभारती Chemistry [English] Standard 12 Maharashtra State Board
पाठ 6 Chemical Kinetics
Exercises | Q 2. vii. | पृष्ठ १३६

संबंधित प्रश्‍न

Answer the following in brief.

How will you determine activation energy graphically using the Arrhenius equation?


The rate constant of a reaction at 500°C is 1.6 × 103 M−1 s−1. What is the frequency factor of the reaction if its activation energy is 56 kJ/mol?


Solve

What fraction of molecules in a gas at 300 K collide with an energy equal to the activation energy of 50 kJ/mol?


How will you determine activation energy from rate constants at two different temperatures?


Which among the following is correct when energy of activation, Ea of the catalyzed reaction decreases at constant temperature and for same concentration?


A catalyst lowers the activation energy of a certain reaction from 83.314 to 75 kJ mol−1 at 500 K. What will be the rate of reaction as compared to uncatalysed reaction? Assume other things are equal.


Slope of the straight line obtained by plotting log10k against represents what term?


Explain with the help of Arrhenius equation, how does the rate of reaction changes with temperature.


Explain with the help of Arrhenius equation, how does the rate of reaction changes with activation energy.


Explain with the help of Arrhenius equation, how does the rate of reaction changes with temperature.


Explain with the help of Arrhenius equation, how does the rate of reaction changes with activation energy.


Explain with the help of Arrhenius equation, how does the rate of reaction changes with temperature.


Explain with the help of the Arrhenius equation, how do the rate of reaction changes with activation energy.


Explain with the help of Arrhenius equation, how does the rate of reaction changes with temperature.


Explain with the help of Arrhenius equation, how does the rate of reaction changes with activation energy.


Explain with the help of Arrhenius equation, how does the rate of reaction changes with temperature. 


Explain with the help of Arrhenius equation, how does the rate of reaction changes with activation energy.


Explain with the help of Arrhenius equation, how does the rate of reaction changes with temperature.


Explain with the help of Arrhenius equation, how does the rate of reaction changes with activation energy.


The formation of micelles takes place only above ______.


Calculate activation energy for a reaction if its rate doubles when temperature is raised from 20°C to 35°C (R = 8.314 J K−1 mol−1).


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