For an air(A)-water vapour(B) mixture, the partial pressure of the air is 5 pa and the total pressure of the system is 15 pa. The molal absolute humidity is

The highest pressure gas of a mixture has partial pressure p, the partial pressure of other gases decreases by factor of 2n-1, the partial pressure of second gases decreases by a factor of 2, partial pressure of third gas increases by 4, and so on, if the total pressure of gas mixture is 31p/16, how many gases are present in the mixture?

A

3

B

5

C

10

For an air(A)-water vapour(B) mixture, the partial pressure of the air is 5 pa and the total pressure of the system is 15 pa. The absolute humidity in mass of air/mass of water vapour is

A

0.805

B

0.311

C

0.705

D

0.411

If u (x, y, z, t) = f(x + iβy - vt) + g(x - iβy - vt), where f and g are arbitrary and twice differentiable functions, is a solution of the wave equation $$\frac{{\partial {u^2}}}{{\partial {x^2}}} = \frac{{{\partial ^2}u}}{{\partial {y^2}}} = \frac{1}{{{c^2}}}\frac{{{\partial ^2}u}}{{\partial {t^2}}}$$ then β is

A

$${\left( {1 - \frac{v}{c}} \right)^{\frac{1}{2}}}$$

B

$$\left( {1 - \frac{v}{c}} \right)$$

C

$${\left( {1 - \frac{{{v^2}}}{{{c^2}}}} \right)^{\frac{1}{2}}}$$

D

$$\left( {1 - \frac{{{v^2}}}{{{c^2}}}} \right)$$

What is the molal humidity of a gas with partial pressure with vapor 1 mm Hg and partial pressure without vapor 1 atm?

A

90%

B

131%

C

214%

Consider a saturated gas(A.-vapour(B. mixture , if the absolute molal humidity is 0.265 and the total pressure= 760 mmHg. Find the vapour pressure of B.

A

149.21 mmHg

B

159.21 mmHg

C

169.21 mmHg

D

600.8 mmHg

If the absolute humidity is 0.03 The mass of moisture free air is 50g The mass of moisture is 25g What is the molal humidity?

A

0.03

B

0.06

C

0.04

D

0.1

If the absolute humidity is 0.02 The mass of moisture free air is 50g The mass of moisture is 25g What is the molal humidity?

A

0.03

B

0.06

C

0.04

D

0.1

If the absolute humidity is 0.02 The mass of moisture free air is 50g The mass of moisture is 10g What is the molal humidity?

A

0.03

B

0.06

C

0.04

D

0.1

If the absolute humidity is 0.03 The mass of moisture free air is 75g The mass of moisture is 25g What is the molal humidity?

A

0.08

B

0.15

C

0.09

D

0.21

If the absolute humidity is 0.07 The mass of moisture free air is 48g The mass of moisture is 16g What is the molal humidity?

A

0.08

B

0.15

C

0.09

D

0.21

For an air(A)-water vapour(B) mixture, the partial pressure of the air is 5 pa and the total pressure of the system is 15 pa. The molal absolute humidity is

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