Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-4>Q 43

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The volume of nitrogen evolved on complete reaction of $9 g$ of ethylamine with a mixture of ${NaNO}_{2}$ and $HCl$ at $273 K$ and $1 atm$ pressure is:

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Important Questions on States of Matter: Gases and Liquids

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Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-4>Q 48

A gas will approach ideal behaviour at

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Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-4>Q 51

Under high pressure conditions, Van der Waal's equation for a real gas reduces to:

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Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-4>Q 52

In van der Waal's equation of state for a non-ideal gas, the term that accounts for intermolecular forces is

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Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-4>Q 53

Real gases behave ideally at

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Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-4>Q 54

The van der Waals equation for one mole of a real gas can be written as

(P + \frac{a}{V^{2}}) (V - b) = R T

. For the gases

H_{2}

,

N H_{3}

, and

C H_{4}

, the value of 'a'

b a r L^{- 2} m o l^{- 2}

are

0.2453, 4.170 and 2.253

respectively.
Which of the following can be inferred from the 'a' values?

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Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-4>Q 56

The density of gas A is twice that to B at the same temperature the molecular weight of gas B is twice that of A. The ratio of pressure of gas A and B will be:

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Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-4>Q 57

An open flask containing air is heated from

300 K

to

500 K .

What percentage of air will be escaped to the atmosphere, if pressure is keeping constant?

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Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-4>Q 58

A gaseous mixture of three gases

A, B

and

C

has a pressure of

10

atm. The total number of moles of all the gases is

10

. If the partial pressures of

A

and

B

are

3.0

and

1.0

atm respectively and if

' C'

has mol. weight of

2.0

. What is the weight of

' C'

in

g

present in the mixture.