Volume will decrease over time, the more particles removed, is making the volume decrease.
Answer:
5 mg
Explanation:
If one half life is 4 hours, then 3 half lives is 12 hours.
This means that the sample will decay to 1/8 of its original amount.
So, the answer is 40(1/8) = 5 mg.
Answer:
Alkenes have the general formula of 
.
They are non-renewable resources that formed when prehistoric plants and animals died and were gradually buried by layers of rock.
