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Boyle's Law states that when a gas is compressed at constant temperature, the product of its pressure and constant temperature remains constant.
If the pressure of a gas is 100 lbs/in^2 when the volume is 50 in^2. Find the rate of change of pressure with respect to volume
when the volume is 25 cubic ins.
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Formulation of the Boyle's law in this post is ABSOLUTELY WRONG.
The law states
At constant temperature for a fixed mass, the absolute pressure and the volume of a gas are inversely proportional.
The law can also be stated in a slightly different manner, that the product of absolute pressure and volume is always constant.
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.
(see Wikipedia article Boyle's law).