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Does hot air weighs more than cold air?
No, hot air does not weigh more than cold air. In general, air at different temperatures still has the same mass per unit volume, or density. The weight of a given volume of air depends more on its mass and not on its temperature.
What is the second most common gas found in the air we breathe?
Oxygen is the second most common/abundant gas in the air that we breathe. Nitrogen is the most abundant gas in the air we breathe. The composition of air is often treated as 79 mole or volume percent N2 and 21 mole or volume percent O2.
How many liters of general waste in one ton?
On average, one ton of general waste would be equivalent to about 1,000 liters. However, the exact volume can vary depending on the density and composition of the waste materials.
How does air temperature change with atmospheric composition?
The composition of air depends upon altitude.
What does 100cm3 of air represent?
100 cm³ of air represents a volume measurement of air equivalent to 100 cubic centimeters. This is a small volume, roughly comparable to a small cube with 10 cm sides. In practical terms, it can illustrate the amount of air in a balloon or a small container. The composition of this air includes nitrogen, oxygen, and trace gases, reflecting the typical atmospheric conditions.
Does the composition of air by volume change?
no
What is the molarity of air in a given volume at a specific temperature and pressure?
The molarity of air in a given volume at a specific temperature and pressure is not a commonly used measurement. Molarity is typically used to describe the concentration of a solute in a solution, not the composition of a gas mixture like air. Instead, the composition of air is usually described in terms of its percentage of different gases like oxygen, nitrogen, and carbon dioxide.
Does hot air weighs more than cold air?
No, hot air does not weigh more than cold air. In general, air at different temperatures still has the same mass per unit volume, or density. The weight of a given volume of air depends more on its mass and not on its temperature.
What is the second most common gas found in the air we breath?
Oxygen is the second most common/abundant gas in the air that we breathe. Nitrogen is the most abundant gas in the air we breathe. The composition of air is often treated as 79 mole or volume percent N2 and 21 mole or volume percent O2.
What is the second most common gas found in the air we breathe?
Oxygen is the second most common/abundant gas in the air that we breathe. Nitrogen is the most abundant gas in the air we breathe. The composition of air is often treated as 79 mole or volume percent N2 and 21 mole or volume percent O2.
What is the general composition of a soil sample?
The general composition of a soil sample will be some sand, some silt, some clay, and some organic matter, plus a certain amount of microbial life, air and (unless it's completely dried out) some water.
How many liters of general waste in one ton?
On average, one ton of general waste would be equivalent to about 1,000 liters. However, the exact volume can vary depending on the density and composition of the waste materials.
How does air temperature change with atmospheric composition?
The composition of air depends upon altitude.
What does 100cm3 of air represent?
100 cm³ of air represents a volume measurement of air equivalent to 100 cubic centimeters. This is a small volume, roughly comparable to a small cube with 10 cm sides. In practical terms, it can illustrate the amount of air in a balloon or a small container. The composition of this air includes nitrogen, oxygen, and trace gases, reflecting the typical atmospheric conditions.
Which has more mass the air that we inhale or the same volume of air we exhale?
The mass of the air we inhale is essentially the same as the mass of the air we exhale, assuming no gas exchange occurs in the lungs. While the composition of the inhaled and exhaled air differs—exhaled air contains more carbon dioxide and less oxygen—the total mass remains consistent for the same volume, as the mass is determined by the volume and the density of the gases present. Thus, for equal volumes, both inhaled and exhaled air have comparable mass.
What is the volume of gases that are made up of moelcules in 100cm3 of air?
The volume of gases in 100 cm3 of air depends on the composition of the air. Typically, air is approximately 78% nitrogen, 21% oxygen, and 1% other gases. Each gas will occupy a volume proportional to its mole fraction. Given the molecular weights of nitrogen (28 g/mol) and oxygen (32 g/mol), you can calculate the volumes using the ideal gas law.
How does the composition of air change at the top of amountain?
The composition is the same, the air is just less dense.
