Answer:
Good question i really dont know sorry
Explanation:
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Hydrogen mass is 1, the atom with mass number 7 is Lithium
Answer:
It will a because it has a lower density than water
Answer:
the molar mass of propane (c3H8) is
12*3+1*8
=36+8=44
Answer:
the first line
Explanation:
A rarefaction is a region in a longitudinal wave where the particles are furthest apart. ... The region where the medium is compressed is known as a compression and the region where the medium is spread out is known as a rarefaction.
use this picture as a reference: