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Is water molecules same as water vapor?
Water molecules are the smallest units of water that contain two hydrogen atoms and one oxygen atom. Water vapor is the gaseous state of water when it evaporates at temperatures above its boiling point. Water molecules can exist as either liquid water or water vapor depending on the temperature and pressure conditions.
When 1 gram of water is evaporated the volume of the water vapor increases but the mass remains constant?
As the water is heated the amount of space that the water (now a vapor) increases in size (spreads out) but the mass (weight) is the same. If you could weigh all the vapor, it would weigh the same.
What form are molecules in water vapor?
Their form remains the same - water is water. However, the molecules are in a gaseous state/phase (rather than liquid or solid state/phase).
Is water vapor made of oxygen?
No. Water vapor is water in a gaseous state. It consists of water molecules each with one oxygen atom and two hydrogen atom.
How is water and water vapor alike?
the speed of the water vapor molecules can be decreased to produce ice
What size is water vapor?
It depends on the amount of water boiled to make that vapor.
How are ice liquid water and water vapor the same?
Solid (ice), liquid and vapor (steam) are (chemically) all of the same compound WATER with one chemical formula H2O, but in three different physical states of matter.
What is the difference between water vapor molecules and liquid water molecules?
They are made of different states of matter
Are molecules that are farthest apart from each other called water vapor?
No, molecules that are farthest apart from each other are not called water vapor. Water vapor refers specifically to the gaseous form of water molecules. Molecules that are far apart from each other can simply be part of a gas phase.
How is water ice and water vapor alike?
the speed of the water vapor molecules can be decreased to produce ice
How is the boiling of water and the cooling of water vapor a reversible reaction?
when water boils the molecules will get a bigger space inbetween them, which forms a gas (water vapor), when you cool down wator vapor the molecules will get closer together and form a liquid (water)
When water vapor is added to the air the density of the air is?
When water vapor is added to the air, the density of the air decreases. This is because water vapor molecules are less dense than dry air molecules.
