mshurney
12.05.2021 •
Mathematics
Please I have 15 min
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Ответ:
False
Step-by-step explanation:
Ответ:
False
Step-by-step explanation:
Ответ:
The sample is 13414 years old.
Step-by-step explanation:
Expression for rate law for first order kinetics is given by:
where,
k = rate constant
t = age of sample
a = let initial amount of the reactant= 100
a - x = amount left after decay process=
a) for completion of half life:
Half life is the amount of time taken by a radioactive material to decay to half of its original value.
b) for completion of 20% of reaction
The sample is 13414 years old.