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Dry O(2) is heavier than moist O(2)....

Dry `O_(2)` is heavier than moist `O_(2)`.

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Why dry air is heavier than moist air?

Why dry air is heavier than moist air?

In the preparation of P_(4)O_(6) , a mixture of N_(2) and O_(2) is used rather than pure O_(2) , why ?

Assertion (A) The O-O bond length in H_(2)O_(2) is shorter than that in O_(2) . Reason (R ) H_(2)O_(2) is ionic compound.

Assertion (A) The O-O bond length in H_(2)O_(2) is shorter than that in O_(2) . Reason (R ) H_(2)O_(2) is ionic compound.

A : N_(2) is more stable than O_(2) . R : Bond order of N_(2) is more than that of O_(2) .

Statement-1: The O-O bond length in H_(2)O_(2) is longer than that of O_(2)F_(2) . Statement-2: H_(2)O_(2) is a polar covalent molcule.

Consider the statement ltbrlt I. Bond length in N_(2)^(+) is 0.02Å greater than in N_(2) . II. Bond length of NO^(+) is 0.09Å less than in NO. III O_(2)^(2_(-)) has shorter bond length than O_(2) . Which of the following statements are true?

Statement-1 : If same amounts are considered CO_(2) requires more heat than O_(2) , for the same rise in temperature. And Statement-2 : CO_(2) being triatomic has higher heat capacity than O_(2)

A : Speed of sound in moist air is more than its speed in dry air . R : Dry air is denser than moist air at atmospheric pressure .

CENGAGE CHEMISTRY ENGLISH-STATES OF MATTER-Exercises (Ture False)
  1. All the molecules in a given sample of gas move with same speed.

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  2. Small value of a means, gas can be easily liqueifed.

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  3. Small value of a means, gas can be easily liqueifed.

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  4. Rate of diffusion is directly proportional to the square root of molec...

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  5. For ideal gases, Z = 1 at all temperature and pressure.

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  6. According to charles's law,

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  7. The pressure of moist gas is higher than pressure of dry gas.

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  8. Gases do not occupy volume and do not have force of attraction.

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  9. The van der Waal equation of gas is (P + (n^(2)a)/(V^(2))) (V - nb)...

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  10. Surface tension and surface energy have different dimensions.

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  11. The plot of PV vs P at particular temperature is called isovbar.

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  12. Give reasons for the following in one or two sentences. (a) A bottle...

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  13. Can a gas with a = 0 be liquefied?

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  14. The van der waals constants have same values for all the gases.

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  15. All the molecules in a given sample of gas move with same speed.

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  16. The observed pressure of real gas is more than the ideal pressure.

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  17. Heat capacity of a diatomic gas is higher than that of a monoatomic ga...

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  18. Dry O(2) is heavier than moist O(2).

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  19. Why excluded volume v is four times the actual volume of molecules?

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  20. The gas above T(c ) cannot be liquefied.

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