chemical reactions cause atoms to be rearranged.
and maybe atoms cannot be created or destroyed. he said were the smallest so i guess he meant couldn't be destroyed or broken down.
at daltons time, didn't know about protons, electrons and neurtons or a nucleus.
velocity v = 28 m/s
= 2.8 sec
we know h = 1/2( g* (t* t) )
let t = 2.8 sec
h = 1/2 (10 ) ( 2.8 ²)
h = 39.2 m
(1 and 2): - the following single replacement reaction is also a redox reaction.
the copper is oxidized so that its oxidation state increases from 0 to +2 , and the oxidation state of silver is reduced from +1 to 0.
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i there is a important difference between them as a specimen is an example of an individual and a sample would contain multiple individual collected from the site
a sample of specimens represent a portion of a population from biologists will attempt to extrapolate in formation
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