Question

derive combined gas law equation

Answer 1

Answer:

$\huge\mathfrak\pink{ANSWER}$

According to Charles Law “Pressure remaining constant, volume of the given mass of gas is directly proportional to the temperature in kelvin scale or absolute scale. ∴PV/T = K ————-(3)(where k is the proportionality sign whose value depends upon mass of a gas and unit of pressure and volume.)

Answer 2

according to Boyle's law volume is proportional to 1/pressure at constant temperature and fixed mass.

according to Charel's law volume is directly proportional to temperature at constant pressure and fixed mass.

according to Avagadro's law volume is directly proportional to number of molecules at constant temperature and pressure.

then

     v ∝ nt/p

     v = Rnt/p

     pv = nRt

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