The law was first proposed in 1662 by Robert Boyle
Because pV = constant that means that p1V1 = constant and so does p2V2. We can therefore write:
where
V1 = equals the original volume,
V2 = equals the new volume,
p1 = the original pressure, and
p2 = the new pressure.
Explanation of Boyle's law by the kinetic theory:
- At constant temperature, the average kinetic energy of the gas molecules is constant.
- When the gas is compressed, the volume is decreased. Therefore, the number of molecules per unit volume will increase.
- The rate of collision of the gas molecules with the wall of container will increase.
- Thus, the pressure of gas increases.
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