Question

what is boyle's law? explain...
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Answer 1

Boyle's law is one of the gas laws given by Robert Boyle in 1662 .

This law states that "at a constant temperature , the pressure of a gas of given mass varies inversely to its volume."

Mathematically , it can be written as :

$\tt P \propto \dfrac{1}{V}$

$\tt \implies P = K \dfrac{1}{V}$

$\implies \tt PV = K$

Therefore , the product of pressure and volume is a constant .

This law is followed by ideal gas only .

Other gas laws are :

• Charles' law : At constant pressure , $\tt V \propto T$
• Gay Lussac's law : At constant volume, $\tt P \propto T$
• Avagadro law : At constant pressure and temperature , $\tt V \propto n$

Where , P = pressure , V = volume , T = temperature and n = number of moles .

Combined ideal gas laws :

$\boxed{\tt PV = nRT }$

Where R is universal gas constant valued 8.314 Joule / mole .

Answer 2

Answer:

Boyle's law, also referred to as the Boyle–Mariotte law, or Mariotte's law (especially in France), is an experimental gas law that describes how the pressure of a gas tends to increase as the volume of the container decreases. A modern statement of Boyle's law is:

The absolute pressure exerted by a given mass of an ideal gas is inversely proportional to the volume it occupies if the temperature and amount of gas remain unchanged within a closed system.[1][2]

Mathematically, Boyle's law can be stated as:

P<>< 1/V Pressure is inversely proportional to the volume

or

PV=k Pressure multiplied by volume equals some constant k

where P is the pressure of the gas, V is the volume of the gas, and k is a constant.

The equation states that the product of pressure and volume is a constant for a given mass of confined gas and this holds as long as the temperature is constant. For comparing the same substance under two different sets of conditions, the law can be usefully expressed as:

P1V1 = P2V2

This equation shows that, as volume increases, the pressure of the gas decreases in proportion. Similarly, as volume decreases, the pressure of the gas increases. The law was named after chemist and physicist Robert Boyle, who published the original law in 1662.

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