For a first order reaction , show that t...

For a first order reaction , show that time required for 99% completion is twice the time required for the completion of 90% of reaction.

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Half-life of a first order reaction at a given temperature is a 3 min. Calculate the time required for the completion of 3/4 th of the reaction.

A first order reaction takes 30 minutes for 50% completion. Calculate the time required for 90% completion of this reaction . (log2=0.3010)

25% of a first order reaction is completed in 30 min . Find the time required for completion of 50% of the reaction.

Show that for any first order reaction, the time required for the completion of 99.9% of the reaction is 10times the half-life of the reaction.

A first order reaction takes 46 min for its 99% completion . How much time did it take for its 75% completion -

Show that for a first order reaction , the time taken to reach 75% of completion is about double that required for 50% of completion.

The rate constant for a 1st order reaction is 6.909 min^-1 . Therefore the time required in minute for the completion of 75% of the reaction is

A first order reaction takes 60 minutes for 75% completion. Determine its half- life.

The half life period of a first order chemical reaction is 6.93 minutes. The time required for the completion of 99% of the chemical reaction will be (log 2=0.301)

75% of a first order reaction is completed in 30 min. What ts the time required for 93.75% completion of the reaction (in minutes) ?

UNITED BOOK HOUSE-HIGHER SECONDARY EXAMINATION 2018-EXAMPLE

Write one harmful environmental effect of freons.
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How would you convert?
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Write down the products of the following reaction. CH3OCH2CH3overset(c...
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Write the reagents for the following conversions:
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Distinguish between the following two compounds by a chemcial reaction...
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Distinguish between the following two compounds by a chemcial reaction...
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What is meant by instrantaneous reaction rate?
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What is activation energy ?
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For a first order reaction , show that time required for 99% completio...
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Establish the integrated rate equation for a first order reaction invo...
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The half-life of a zero order reaction is x second. If the reaction ta...
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Why helium does not form any compound?
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Give one example of mixed oxide. Why is it called mixed oxide?
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Draw the structure of H2SO3.
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Benzoic acid on reaction with SOCI2 gives (A).(A) on reduction with Pd...
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Identify A, B, C and D in the following steps of the reaction of aceta...
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An organic comppound produces acetic acid and ethanol on acid hydrolys...
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Write the structures of A to D in the following reactions: R CO R over...
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How would you convert?
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