How am I supposed to help you if there's not picture of what the problem is
Color.
Density.
Hardness.
freezing point.
Length.
Location.
Smell.
Temperature.
Volume.
Brittleness.
Hope this helps. :)
You're going to divide the mass of chlorine within the compound by the mass of the compound, and then multiply the result by 100 to get the answer
A. As pressure on the gas increases, the volume and temperature will both decrease