Give briefly script on the topic of gaseous state and with all formulas on that topic
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Answers
Explanation:
Parameters of Gases
The characteristics of gases are described in terms of following four parameters
Mass
Volume
Pressure
Temperature
1. Mass (m):
The mass of the gas is related to the number of moles as
n = w/M
Where n = number of moles
w = mass of gas in grams
M = molecular mass of the gas
2. Volume (V):
Since gases occupy the entire space available to them, therefore the gas volume means the volume of the container in which the gas is enclosed.
Units of Volume: Volume is generally expressed in litre (L), cm3 & dm3
1m3 = 103 litre = 103 dm3 = 106 cm3.
3. Pressure:
Pressure of the gas is due to its collisions with walls of its container i.e. the force exerted by the gas per unit area on the walls of the container is equal to its pressure.
P(pressure) =\frac{F( Force)}{A (Area)} = \frac{Mass\times Accelaration}{Area}
Pressure is exerted by a gas due to kinetic energy of its molecules.
As temperature increases, the kinetic energy of molecules increases, which results in increase in pressure of the gas. So, pressure of any gas is directly proportional to its temperature.