Answer:
Density = mass/volume
= 44/22.4
= 1.96 gram/liter
The density of the Carbon Dioxide at S.T.P. (Standard Temperature and Volume) is 1.96 gram/liter.
The astronomical unit or also know as AU. Scientists use this because it’s convenient and easier to understand! Hope this helps ;)
Answer:
I think its the last one
Explanation:
its supposed to be H 2 O 2.
Answer:
the answer would be C of not C is B
For the first one.. the Reactant side is Zn+2HCl produces Zncl2 and H2... and it is balanced too