Chemistry, asked by king7145, 1 year ago

If at 27°C and 740 mm Hg pressure, 360 ml of moist
N, was collected then the volume occupied by dry
nitrogen at 370 mm Hg pressure and at same
temperature will be (Aqueous tension of water at
27°C is 620 mm Hg)​

Answers

Answered by kobenhavn
1

The volume occupied by dry  nitrogen at 370 mm Hg pressure and at same  temperature will be 117 ml

Explanation:

Boyle's Law: This law states that pressure is inversely proportional to the volume of the gas at constant temperature and number of moles.

P\propto \frac{1}{V}     (At constant temperature and number of moles)

P_1V_1=P_2V_2  

where,

initial pressure of moist nitrogen gas  = 740 mm Hg

pressure of water (aqueous tension) = 620 mm Hg

P_1 = pressure of dry nitrogen gas  = pressure of moist nitrogen gas - aqueous tension = (740-620) mm Hg= 120 mm Hg

P_2 = final pressure of dry nitrogen gas  = 370 mm Hg

V_1 = initial volume of gas  = 360 ml

V_2 = final volume of gas  = ?

120mmHg\times 360ml=370mmHg\times V_2  

V_2=117ml

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