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When it is at a lower pressure or a higher temperature.

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15y ago
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Q: When does a cubic meter of air have less mass?
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A cubic meter of air has less mass at the top or bottm of the mountain?

At the top, because the pressure there is lower.


How much heat is contained in 1 cubic meter of air?

That depends on the mass, pressure, and temperature of the air in the cubic meter.


What is the mass of a cubic meter of air at ntp?

1300 gram


Does a cubic meter of air have less mass higher up?

Yes. The density of the air (and thus mass per unit volume) deceases all the way to zero (in space) as the altitude increases.


How much does 1 cubic meter weight?

Depends. A cubic meter of WHAT? If it's a cubic meter of lead, it would weigh quite a bit. A cubic meter of air, not so much. The standard substance that is used to relate metric measurements to each other is water. The "gram" was defined as the mass (not weight, but similar) of one cubic centimeter of water at normal temperature. There are 1 million cubic centimeters in a cubic meter, so a cubic meter of water would have a mass of 1 million grams, or 1,000 kilograms, or 1 metric ton. To obtain the mass of 1 cubic meter of some other substances, simply multiply the specific gravity of the substance by the mass of a cubic meter of water.


Why is the term a cubic meter of air unsatisfactory?

Because it doesn't say neither the temperature, the pressure or the humidity of the air. You need to know both the temperature, the pressure and the humidity of the air to say anything about the mass of one cubic meter of air.


What is the waight of a cubic meter?

Depends on what the cubic meter is made of. A cubic meter of air will be something entirely different from a cubic of water.


A cubic meter of air has less at the top of a mountain or the bottom?

well air is thinner at higher elevations so i would say less at the top...


What does the air in the trophposphere do as it heats up from the sun?

It expands, and then it rises because it is less dense (less mass of air per cubic meter) than the air around it. Also, warm air can hold more moisture than cool air, so it carries moisture up into the higher atmosphere, which affects rain patterns.


Describe density of air in terms of its mass?

Density of air is a measure of how much mass is contained in a given volume of air. It is typically expressed in units such as kilograms per cubic meter or grams per cubic centimeter. Air density can vary based on factors such as temperature, pressure, and humidity.


How do grams per cubic meter look?

Grams per cubic meter (g/m3) is a unit of measurement used to describe the mass of a substance per unit volume. It is commonly used to represent the density of a material in the air or water, such as air pollution levels or the concentration of a solute in a solution. Its value indicates the amount of grams present in one cubic meter of the substance being measured.


How many molecules are in one cubic meter of air?

That depends on the pressure and temperature of the air in the cubic meter. Any time you change the pressure or the temperature of a gas, you change the number of molecules in one cubic meter of it.