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Calculate the weight of methane in a 9.0...

Calculate the weight of methane in a 9.00 litres cylinder at 16 atm and `27^@C`.

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The ideal gas equation is
`PV=nRT`
Given `P=16 atm`, `R=0.08`, `V=9 L`, `T=273+27^(@)C=300 K`
Putting these value in the above equation, we get
`16xx9=nxx0.08xx300`
` :.` Moles `(n)=(16xx9)/(0.08xx300)=6`
We know
Moles `(n)=(Weight)/(Molecular weight)`
Weight of methane`= `Moles `xx `Molecular weight of methane
`=6xx16 (CH_(4)=12+4=16)`
`=96 g`
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CENGAGE CHEMISTRY ENGLISH-STATES OF MATTER-Exercises (Ture False)
  1. Calculate the weight of methane in a 9.00 litres cylinder at 16 atm an...

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  2. In the van der Waals equation (P + (n^(2)a)/(V^(2)))(V - nb) = nRT ...

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  3. Kinetic energy of a molecule is zero at 0^(@)C

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  4. Gas in a closed container will exert much higher pressure due to gravi...

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  5. The graph between PV vs P at constant temperature is linear parallel t...

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  6. Real gases show deviation from ideal behavior at low temperature and h...

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

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

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

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

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

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  12. According to charles's law,

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

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

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

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  16. Surface tension and surface energy have different dimensions.

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

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

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

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

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

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