Question

Under conditions of fixed temperature and amount of gas, Boyle's law requires that
I. P1V1 = P2V2
II. PV = constant
III. P1/P2 = V2/V1​

Answer 1

Under conditions of fixed temperature and amount of gas, Boyle's law requires that

(all above)

Boyle’s Law

Boyle’s law states the relation between volume and pressure at constant temperature and mass. Robert Boyle conducted an experiment on gases to study the deviation of its behaviour in changed physical conditions.

It states that under a constant temperature when the pressure on a gas increases its volume decreases. In other words according to Boyle’s law volume is inversely proportional to pressure when the temperature and the number of molecules are constant.

p ∝1/V

bp = k1 1/V

k1 here is a proportionality constant, V is the Volume and p is the pressure. On rearranging, we get: k1= pV. Now, if a fixed mass of gas undergoes an expansion at constant temperature then the final volume and pressure shall be p2 and V2. The initial volume and initial pressure here is p1 and V1 then according to Boyle’s law: p1×V1 = p2×V2 = constant (k1)

p1/p2 = V2/V1

Answer 2

Answer:

Boyle's law requires that

I. P1V1 = P2V2

II. PV = constant

III. P1/P2 = V2/V1​

all the above conditions are valid and required by the Boyle's law under the fixed temperature. 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.

Boyle's law can be stated as Pressure is inversely proportional to the volume.

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