Question

At 300K, two gases are filled in two equal sized containers as given.
What will be the pressure of A(g) (in mm of Hg).

Answer 1

760mm is the answer bro because on right side and left side mercury level is same 1 atm =1.01×10^5 = 760 mm

Answer 2

The pressure of A(g) in mm of Hg will be 810 mm.

Given: At 300K, two gases are filled in two equal sized containers

To find: pressure of A(g) (in mm of Hg).

Solution:

As shown in the figure, we can see that gas A is filled up to 90 mm.

Gas B is filled up to 40 mm.

We can clearly see that in the first tube P(A) > P(B), as the gas is filled more towards container B.

Similarly, in the second tube, Atmospheric Pressure > P(B).

Patm = P(A) + 40 - 90

P(A) = Patm +90 - 40

Using, Patm = 760 mm of Hg,

P(A) = 760 + 90 - 50          

P(A) = 810 mm of Hg.

Hence, the pressure of A(g) in mm of Hg will be 810 mm.

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