Sentences with phrase «lighter than water vapor»

Moisture that evaporates from the ocean tends to be lighter than water vapor released into the atmosphere by plants.

Not exact matches

The air at the top of the troposphere is colder than the air at the ground because of a. water vapor b. expansion of gas c. light energy d. ozone

Since water vapor is lighter than the main constituents of air, air containing water vapor is lighter and so rises above less humid air.

A parcel of air containing water vapor is lighter than air without as much.

This is because water vapor is lighter than air.

Adding the influence of water vapor concentration to the density profile makes the difference between the densities of the two cases a little larger, because water vapor lowers the density as H2O molecules are lighter than average for dry air.

The vapor pressure of this heavy water is less than for «normal» light water.

The end result is there's virtually no heating beyond the first few micrometers and the molecules near the surface just keep picking up more and more energy as latent heat until they have enough energy to vaporize and then they leave the surface and quickly convect upwards because water vapor is lighter than air.

Dave Springer says: ``... the molecules near the surface just keep picking up more and more energy as latent heat until they have enough energy to vaporize and then they leave the surface and quickly convect upwards because water vapor is lighter than air.

Pekka: Your description patently conflicts with the following geophysical realities: a) Water vapor is lighter than air and adds extra lift to thermally forced convection.

Because water vapor is lighter than dry air (mostly nitrogen and oxygen), that layer of air can move upward in the attic.