Water
It can be a solid or a liquid
Answer:
16G = 1 mole ; then 4G = how many moles? 4/16 = 0.25 mole; That means 4 grams of oxygen is 0.25 moles.
Answer:

Explanation:
In this problem, we need to convert
to miles per hour
We know that,
1 mile = 1.609 km
1 hour = 3600 seconds

Hence, 
This would be a homogenous mixture (either a colloid or a solution).