EXAMIANS
A chemical reaction occurs, when the energy of the reacting molecules is __________ the activation energy of reaction.
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The reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction.
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A batch reactor is characterised by
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The rate expression for a heterogenous catalytic reaction is given by, - rA = K.KA PA(1 + KA.PA + Kr.PR), where K is surface reaction rate constant and KA and KR are absorption equilibrium constants of A and R respectively. If KR PR >> (1 + KA PA), the apparent activation energy EA is equal to (given E is the activation energy for the reaction and ΔHR and ΔHA are the activation energies of adsorption of R and A)
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An example of autothermal reactor operation is
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For any reaction, we may write conversion as a function of
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Brunaur, Emmet and Teller (BET) equation is used to determine the specific surface area of a porous particle but not the pore volume & the porosity of the catalyst bed. Which of the following postulates is not used to derive BET equation?
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In Langmuir treatment of adsorption,
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__________ gas is normally employed in B.E.T.method of finding out the surface area of catalyst.
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A chemical reaction, A → 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is
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