Chemical Engineering :: Chemical Reaction Engineering
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For identical flow rate, feed composition and for elementary first order reactions, 'N' equal sized mixed reactors in series with a total volume 'V' gives the same conversion as a single plug flow reactor of volume 'V' for constant density systems. This is true, when the value of 'N' is
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Helium-mercury method is used for the measurement of the __________ of the catalyst.
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What is the order of a chemical reaction whose rate is deter-mined by the variation of one concentration term only ?
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Pick out the wrong statement.
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The rate at which a chemical substance reacts is proportional to its
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A plug-flow reactor is characterised by
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Three plug flow reactors (PFR's) of 4, 5 & 6 m3 volumes are arranged in two branches as shown below in the figure.
If the total feed rate is 300 tons/hr, then for the same conversion in each branch, the feed rate through branch II should be __________ tons/hr. -
For a tubular reactor with space time 'τ' and residence time 'θ', the following statement holds good.
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Rate of an autocatalytic chemical reaction is a function of
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Which of the following curves shows the effect of temperature on the extent of gas-solid adsorption at a given pressure ?
A.
Visible radiation provides the necessary activation energy in photochemical reactions.
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B.
The order and molecularity of a complex reaction may not be the same.
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C.
For a second order reaction, the slope of the graph/plot between rate and (concentration) is equal to the rate constant (k).
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D.
Molecularity of the reaction is always a whole number greater than zero.
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