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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.
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What is the largest between a molecule and a atom?
Moelcules are made from atoms but a large atom is very many times the size of small molecules.
How can solids liquids and gases be made to contract?
Solids, liquids, and gases can be made to contract by reducing their temperature. Cooling these substances causes their particles to move more slowly, resulting in a decrease in volume. This decrease in volume leads to contraction of the material.
Which was the relevance that Avogadro made for chemistry?
Avogadro stated that two samples of ideal gases at the same temperature, pressure, and volume contain the same number of molecules.
What are the artificial green house gases?
CFCs (chlorofluorocarbons) are man-made gases that are also greenhouse gases.
What are the giant outer planets made mostly made out of?
Gases
How much does an 100cm3 evaporating basin weigh?
The weight of an empty 100cm3 evaporating basin would depend on the material it is made from. However, a common material like borosilicate glass typically weighs around 100-150 grams.
How can solids liquids and gases be made to contract?
Solids, liquids, and gases can be made to contract by reducing their temperature. Cooling these substances causes their particles to move more slowly, resulting in a decrease in volume. This decrease in volume leads to contraction of the material.
What is the largest between a molecule and a atom?
Moelcules are made from atoms but a large atom is very many times the size of small molecules.
Are water and gases the same?
Water and gases are the same in some regards in that they have volume, are made up of smaller molecules, and are free flowing. They also have differences in that water is a liquid while gases are in a gas state.
What kind of substance is made up of neutral atoms or molecules and changes its shape and volume when placed in a new container?
A gas is a substance made up of neutral atoms or molecules that changes its shape and volume when placed in a new container. Gases have particles that are widely dispersed and move freely, allowing them to fill the space available to them.
Is mercury made of gases and rocks?
Murcury is made out of gases
Why do gases have no fixed volume?
Gases spread with in the given volume.Gas molecules always colliding each other and exert certain pressure on the container for certain weight. Means you can fill gas in volume 2 litres under pressure 2kg/cm2 and the same amount of gas if made to occupy 20 litres volume it spreads accordingly to fill 20 litres volume .Buy pressure will no be 2kg/cm2 it will be less
What common state of matter doesn't have a definite shape or a definite volume?
The common state of matter that doesn't have a definite shape or volume is a gas. Gases are made up of particles that are widely spaced apart and move freely, taking the shape and volume of their container.
Which was the relevance that Avogadro made for chemistry?
Avogadro stated that two samples of ideal gases at the same temperature, pressure, and volume contain the same number of molecules.
What percentage of the atmosphere is made up of gases other than oxygen and nitrogen?
Air consists of 78% Nitrogen and about 21% Oxygen. The remaining 1% is formed from other gases.
Is Saturn made of rock or gases?
Gases, mainly.
What is air made up of?
air is made up of some gases. i.e. it's made up of hydrogen, nitrogen, and mixture of other gases. but the most common is it is made up of nitrogen-78%, oxygen-21%, and other gases-1%air is made up of different gases such as oxygen, carbondioxide, nitrogen and noble gases.
