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If P is plotted against 1/V for 1 mol of...

If P is plotted against 1/V for 1 mol of an ideal gas at `0^(@)C`, then a straight line passing through the origin is obtained. What the slope of the straight line?

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For 1 mol of an ideal gas, `PV=RT or, P=RT//V`,
At `0^(@)C or 273K,P=273R//V`
Hence, the slope of the P vs 1/V plot is =273R.
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CHHAYA PUBLICATION-STATES OF MATTER : GASES AND LIQUIDS-QUESTION-ANSWER ZONE FOR BOARD EXAMINATION
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