The Irish scientist Robert Boyle investigated the relationship between pressure and volume in the 17th century. He trapped a bubble of air at the sealed end of a J-shaped tube using liquid mercury.
In gases the particles are far apart ... The density of an object or a substance is its mass, divided by its volume. We use the formula: \(density = mass ÷ volume\) to calculate the density ...
Dalton, of England, independently of each other. It was discovered by these philosophers, that all gases experience the same increase in volume by the application of the same degree of heat ...