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What is positive and negative deviation ...

What is positive and negative deviation of real gas at constant pressure for pV `to` p ?

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If curve of graph is down from ideal gas then deviation will be negative. If curve of graph is up from ideal gas then deviation will be positive.
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KUMAR PRAKASHAN-STATES OF MATTER -SECTION - B OBJECTIVE QUESTIONS
  1. What is difference between real gas and ideal gas is graph of pV to p ...

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  2. Which type of graph is obtained when we plotted pV to p of ideal gas ?

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  3. What is positive and negative deviation of real gas at constant pressu...

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  4. Which type of deviation shows by gas from graph pV to V ? H(2), He...

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  5. Why real gas shows deviation of ideal gas at fixed temperature in geap...

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  6. What change is observed in real gas than ideal gas in pressure and vol...

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  7. What is ideal pressure and volume of real gas ?

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  8. Derive van der Waal.s equations.

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  9. Explain compressibility factor (Z).

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  10. What is compressibility factor (Z) ? (i) deviation factor (Z = 1 )...

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  11. What is Boyle.s temperature ? Give its relation with value of Z.

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  12. When real gas shows ideal behaviour ? Why ?

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  13. Statement-1: A real gas behaves as an ideal gas at high temperature an...

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  14. What is value of Z at 200 bar pressure for CO(2), CH(4) and O(2) ?

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  15. What is relation between compressibility factor and molar volume.

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  16. Why Andrews Graph required ?

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  17. Which are critical constant ?

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  18. What is critical temperature ? What is value of critical temperature f...

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  19. If temperature of CO(2) will be increased or decreased to 30.98^(@)C t...

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  20. At P(C ) pressure, 13.1^(@)C, 31.5^(@)C, 50^(@)C, and 30.98^(@)C. What...

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