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While stating Boyle's law why should we ...

While stating Boyle's law why should we use the phrase " at constant temperature"?

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The graph betwene P and V at constant temperature should look like

For Boyle's law to be hold good, the gas should be

Sketch shows the plot of Z v/s P for a hypothetical gas for one mole at three distint temperature. Boyle's temperature is the temperature at which gas shows ideal behaviour over a pressure range in the low pressure region.Boyle's temperature (T_b)=a/(Rb) .If a plot is obtained at temperature well below Boyle's temperature then the curve will show negative deviation, in low pressure region and positive deviation in the high pressure region. Near critical temperature the curve is more likely as CO_2 and the temperature well above critical temperature curve is more like H_2 at 0^@C as shown above.At high pressure suppose all the constant temperature curve varies linearly with pressure according to the following equation : Z=1+(Pb)/(RT) ( R=2 cal "mol"^(-1) K^(-1) ) Which of the following is correct :

We write the relation for Boyle's law in the form, PV=K_B when the temperature remains constant. In this relation, the magnitude of K_B depends upon the

ICSE-PROPERTIES OF MATTER-MODULE 3 (KINETIC THEORY OF GASES ) SHORT ANSWER QUESTIONS
  1. What is meant by amu ?

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  2. State Boyle's law in terms of pressure and density of a gas.

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  3. While stating Boyle's law why should we use the phrase " at constant t...

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  4. Draw a graph to show the deviation of real gas from Boyle's law.

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  5. How will you arrive at absolute zero using Charles's law?

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  6. Write down the relation connecting the pressure and temperature of a g...

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  7. Explain the symbols used in the equation of state.

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  8. R is called the universal gas constant, why? Give its value in S.I.

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  9. What is the difference between r and R ?

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  10. What is the use of Dalton's law of partial pressure ?

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  11. State Graham's law of diffusion.

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  12. State the postulates of kinetic theory of gases. Why are they called s...

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  13. Who is known as the father of kinetic theory?

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  14. Define average speed and r.m.s. speed of a gas molecule.

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  15. Define free path and mean free path.

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  16. Explain the kinetic interpretation of temperature

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  17. Derive an expression for the mean K.E. of a gas molecule.

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  18. Starting from the pressure exerted by a gas derive (i) Boyle's law (ii...

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  19. Obtain Graham's law of diffusion from the expression for the pressure ...

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  20. State the law of equipartition of energy.

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