Boyle's law states that
At a fixed temperature, the pressure of a fixed amount of an ideal gas is inversely proportional to its volume.
Mathematically,
[tex]p \propto \frac{1}{V} [/tex]
where p = pressure
V = volume.
Answer:
Between two states 1 and 2:
p₁V₁ = p₂V₂ = constant.