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Does gas have weight?
Yes, gas has weight because it is made up of molecules that have mass. The weight of gas can be measured using a scale or by calculating the mass of the gas.
What gives air its weight?
Air has weight because it is made up of molecules that have mass. The weight of the air is due to the gravitational force pulling down on these molecules. The more air molecules present in a given volume, the greater the weight of the air.
What evidence supports that gas has weight?
Gas has weight because it exerts pressure on the walls of its container. This pressure is caused by the constant movement and collisions of gas molecules. The weight of gas can be measured using instruments such as a barometer or a manometer, which show the force exerted by the gas due to its weight.
What causes pressure?
The weight of the air The distance between particles of a gas determines the pressure. The distance can be decreased and the pressure therefore increased by either increasing the amount of particles of gas in the container, or by reducing the size of the container.
What do water molecules look like during evaporation?
Liquid water molecules are transformed in a gas.
How many molecules in a mass of 3.9mg of C27H46O?
The molecular weight of it is 386.654g/mol. Convert mass to grams (i.e. 0.0039g). divide mass by molec weight to get 1.0083573x10^-5 moles. Multiply this by avagadros number to get the amount of molecules. this gives you 6.072x10^18 molecules.
Is the Volume gas directly proportional to its molecular weight?
No, the volume of a gas is not directly proportional to its molecular weight. The volume of a gas is mainly influenced by the number of gas molecules present, temperature, and pressure. The ideal gas law equation, PV = nRT, takes into consideration these factors to describe the relationship between volume, pressure, temperature, and the amount of gas.
The molecules in a gas at 100k?
The molecules in a gas at 100k
Which is the fastest moving gas molecule?
The speed of gas molecules is dependent on their temperature, but generally, lighter molecules such as hydrogen and helium tend to move faster due to their lower molecular weight. Among common gases, hydrogen molecules are typically considered to be the fastest moving.
Assumption of kinetic theory of gas?
The volume occupied by gas molecules is negligible when compared to volume occupied by the gas.The collisions between gas molecules-gas molecules and gas molecules-walls of the container are perfectly elastic.
What is responsible for creating the pressure exerted by a gas?
The pressure exerted by a gas is created by the constant collisions of gas molecules with the walls of the container. These collisions result in a force being applied over an area, which then gives rise to the pressure of the gas.
What can a gas be?
a gas can be molecules
