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Standard XII
Chemistry
Derivation of Kp and Kc
ntTHE FIRST O...
Question
ntTHE FIRST ORDER REACTION IS 40% COMPLETE IN 40 MINUTES .WHAT PERCENTAGE WOULD REMAIN UNREACTED AT THE END OF 80 MINUTES?n
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Q.
A first-order reaction is
40
%
complete in
50
min. How long(minutes) will it take to
80
%
completion?
Q.
40% of a first order reaction is completed in 50 minutes. How much time will it take for the completion of 80% of this reaction?
Q.
A first order reaction is one-fifth completed in
40
minutes. The time required for its
100
% completion is:
Q.
A first order reaction is completed
90
%
in 40 minutes. Calculate its half-life period. (
log
10
=
1
).
Q.
A first order reaction is 50% completed in 40 minutes at 300 K and in 20 minutes at 320 K. Calculate the activation energy of the reaction.
(Given : log 2 = 0.3010, log 4 = 0.6021, R = 8.314
J
K
−
1
m
o
l
−
1
)
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