How many isomeric esters including structural isomers and stereoisomers can be made with the molecular formula C5H10O2 if methan
oic acid is one if the two reactants used.
A: 2. B: 3 C: 4 D: 5
A: 2. B: 3 C: 4 D: 5
1 answer:
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Radio active decay reactions follow first order rate kinetics.
a) The half life and decay constant for radio active decay reactions are related by the equation:
Where k is the decay constant
b) Finding out the decay constant for the decay of C-14 isotope:
c) Finding the age of the sample :
35 % of the radiocarbon is present currently.
The first order rate equation is,
t = 7923 years
Therefore, age of the sample is 7923 years.