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The principle of corresp..



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Q1. The value of compressibility factor at the critical state for a van der Waals gas is

(a) 0.325
(b) 0.35
(c) 0.375
(d) 0.4

Q2. The corrected gas equation is a cubic in v, which of the following statement is true about its roots?

(a) at low temperature, three positive real roots exists
(b) at critical temperature, the three real roots become equal
(c) at high temperature, only one real root exists
(d) all of the mentioned

Q3. The law of corresponding states is a relation among

(a) reduced pressure and reduced temperature
(b) reduced volume and reduced temperature
(c) reduced volume and reduced pressure
(d) reduced pressure and reduced temperature and reduced volume

Q4. The generalized compressibility chart is a plot in

(a) when reduced pressure is plotted as a function of reduced temperature and Z
(b) when reduced temperature is plotted as a function of reduced pressure and Z
(c) when Z is plotted as a function of reduced pressure and reduced temperature
(d) none of the mentioned

Q5. Value of critical compressibility factor Zc is taken to be constant.

(a) true
(b) false
(c) -
(d) -

Q6. Which of the following property is used as the dimensionless property?

(a) reduced pressure
(b) reduced volume
(c) reduced temperature
(d) all of the mentioned

Q7. How could we use one compressibility factor chart for all the substances?

(a) it would be more convenient
(b) the general shapes of the vapour dome and of the constant temperature lines on the p-v plane can be similar for all substances
(c) their similarity can be exploited using dimensionless properties
(d) all of the mentioned

Q8. We can use Z instead of directly plotting v.

(a) true
(b) false
(c) -
(d) -

Q9. For a gas, the compressibility factor Z depends on

(a) pressure and volume
(b) pressure and temperature
(c) volume and temperature
(d) pressure, volume and temperature


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486 views

1° C Rise In Temperature Is Equal To A Rise Of

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1° C Rise In Temperature Is Equal To A Rise Of

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In A Closed Flask Of 5 Litres, 1.0 G Of H2 Is Headed From 300 To 600 K. Which Statement Is Not Correct

Modified 245 Year Ago

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In A Closed Flask Of 5 Litres, 1.0 G Of H2 Is Headed From 300 To 600 K. Which Statement Is Not Correct

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Equal Amounts Of Two Gases Of Molecular Weight 4 And 40 Are Mixed. The Pressure Of The Mixture Is 1.1 Atm. The Partial Pressure Of The Light Gas In This Mixture Is

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245 Year Ago

Equal Amounts Of Two Gases Of Molecular Weight 4 And 40 Are Mixed. The Pressure Of The Mixture Is 1.1 Atm. The Partial Pressure Of The Light Gas In This Mixture Is

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Assertion : Effusion Rate Of Oxygen Is Smaller Than Nitrogen. Reason : Molecular Size Of Nitrogen Is Smaller Than Oxygen.

Modified 245 Year Ago

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Assertion : Effusion Rate Of Oxygen Is Smaller Than Nitrogen. Reason : Molecular Size Of Nitrogen Is Smaller Than Oxygen.

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414 views

Molecules/ions And Their Magnetic Properties Are Given Below

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Molecules/ions And Their Magnetic Properties Are Given Below

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Assertion : We Air Is Heavier Than Dry Air. Reason : The Density Of A Dry Air Is More Than Density Of Water.

Modified 245 Year Ago

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Assertion : We Air Is Heavier Than Dry Air. Reason : The Density Of A Dry Air Is More Than Density Of Water.

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