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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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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

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


Answer the following in brief.

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


Answer the following in brief.

Explain graphically the effect of temperature on the rate of reaction.


Solve

The energy of activation for a first-order reaction is 104 kJ/mol. The rate constant at 25°C is 3.7 × 10–5 s –1. What is the rate constant at 30°C? (R = 8.314 J/K mol)


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?


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


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


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


Which among the following equation represents Arrhenius equation?


Write the mathematical equation between reaction rate constant and its 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 temperature.


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


Explain, with the help of the 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 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 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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