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States of Matter

Short Answer Type

31.

Write an equation which is used to calculate kinetic energy from the values of pressure and volume.

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32.
Define Boltzman constant.

The Boltzmann constant k, is a physical constant relating energy at the individual particle level with temperature. It is the gas constant R divided by the Avogadro constant N_A.

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33.

Give the numerical value of Boltzmann constant.

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34.

When do gases deviate more from the ideal behaviour?

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35.

What is Boyle's Temperature?

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36.

What is compressibility factor? What is its value for an ideal gas?

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37.

Write vander Waals equation for n moles of a gas.

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38.

Explain the physical significance of van der Waals parameters.

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39. Critical temperature for carbon dioxide (CO₂) and methane (CH₄) are 31·1°C and –81 ·9°C respectively. Which of these has stronger intermolecular forces and why?

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40.

How is pressure caused by gas molecules?

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Previous Year Papers

Test Series

Test Yourself

Short Answer Type

32. Define Boltzman constant.

32.
Define Boltzman constant.