The rate of a first order reaction is 0.04
Asked by admin @ in Chemistry viewed by 286 People
The rate of first order reaction is 0.04 mol per litre sec at 10 min and 0.03 mol per litre sec at 20 min after initiation find half life of a reaction
Asked by admin @ in Chemistry viewed by 286 People
The rate of first order reaction is 0.04 mol per litre sec at 10 min and 0.03 mol per litre sec at 20 min after initiation find half life of a reaction
Answered by admin @
Answer:
U have to just put the values into the formulae for the first order eqn. that is:
K = (2.303/t2 – t1)log(Q1/Q2)
=(2.303/(10)llog(0.04/0.03)
After solving,
K = 0.02876 /min
thalf = 0.693/k = > 24 min approx
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