The rate of effusion of an unknown gas (...

The rate of effusion of an unknown gas (X) through a pinhole is found to be 0.279 times the rate of effusion of hydrogen gas through the same pinhole, if both are at STP. What is the molecular mass of the unknwon gas ?

Text Solution

Verified by Experts

The correct Answer is:

`25.69`

Topper's Solved these Questions

STATES OF MATTER (GASES AND LIQUIDS)
OP TANDON|Exercise Objective questions|105 Videos
STATES OF MATTER (GASES AND LIQUIDS)
OP TANDON|Exercise Set 2|40 Videos
STATES OF MATTER (GASES AND LIQUIDS)
OP TANDON|Exercise Illustration|30 Videos
SOLUTIONS (GENERAL AND COLLIGATIVE PROPERTIES)
OP TANDON|Exercise Self Assessment|31 Videos
STATES OF MATTER (SOLID STATE)
OP TANDON|Exercise SELF ASSESSMENT Section VI|3 Videos

Similar Questions

Explore conceptually related problems

The rate of diffusion of a gas X is sqrt(2) times that of Y. If the molecular masss X is 16, what is the molecular mass of gas y?

The rate of diffusion of a gas having molecular weight. just double of hydrogengas is 30 mls-1. The rate of diffusion of hydrogen gas will be

1.40L of an unknown gas requires 57 second to diffuse and the same volume of N_(2) gas takes 84 second to diffuse at the same temperature and pressure. What is the molecular mass of the unknown gas?

3.7 gm of gas at 25^(@)C occupied the same volume as 0.184 gm of hydrogen at 17^(@)C and at the same pressure. What is the molecular mass of the gas ?

The rae of effusionof heium gas at a pressure of 1000 torr is 10 torr "min"^(-1) . What will be the rate of effusion of hydrogen gas at a pressure of 2000 torr at the same temperature?

An effusion experiment requires 40 s of a certain number of moles of a gas of unknown molar mass to pass through a small orifice into a vaccum. Under the same conditions, 16 s was required for the same number of moles of O_(2) to effuse. What is the molar mass of the unknown gas?

If the rate of diffusion of gas X (Molecular mass 64 amu) is 1.4 times the rate of diffusion of gas Y at the same pressure then the molecular mass of gas Y is?

OP TANDON-STATES OF MATTER (GASES AND LIQUIDS)-Practice Problems

At a given temperature and pressure, 20mL of air diffused through a po...
Text Solution
|
At room temperature, ammonia gas at 1 atm pressure and hydrogen chlori...
Text Solution
|
The rate of effusion of an unknown gas (X) through a pinhole is found ...
Text Solution
|
In a 2 m long narrow tube, HCl is allowed to diffuse in the tube from ...
Text Solution
|
The composition of air is approximately 80% N(2) " and " 20% O(2) by m...
Text Solution
|
Calculate the internal energy of one gram mole of nitrogen at 150^(@)C...
Text Solution
|
Calculate the kinetic energy of 5 mole of a gas at 27^(@)C in erg and ...
Text Solution
|
A glass tumbler containing 243 mL of air at 100 k Pa and 20^(@)C is tu...
Text Solution
|
Calculate the rms speed of the molecules of ethane gas of colume 1.5 l...
Text Solution
|
The density of a gas at 1.5 atm is 1.52 g L^(-1). Calculate the rms sp...
Text Solution
|
At what temperature will the rms speed of hydrogen be the same as that...
Text Solution
|
Calculate the average rms and most probable speed of SO(2) molecules a...
Text Solution
|
The average velocity of CO(2) at the temperature T(1) Kelvin and the m...
Text Solution
|
How many times would the average molecular speed of nitrogen increase ...
Text Solution
|
A 4 : 1 molar mixture of He and CH(4) is contained in vessel at 20 per...
Text Solution
|
Pure O(2) diffuses through an aperture in 224 second, whereas mixture ...
Text Solution
|
56 g of nitrogen are confined to a 6 litre flask at 37^(@)C. Calculate...
Text Solution
|
One mole fo carbon dioxide was found to occupy a volume of 1.32 litre ...
Text Solution
|
Calculate the compressibility factor for SO(2) if 1 mole of it occupie...
Text Solution
|
The average velocity of gas molecules is 400 m/sec calculate its rms v...
Text Solution
|