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States of Matter — Chemistry STD 11 Science — Question

Maharashtra BoardEnglish MediumSTD 11 ScienceChemistryStates of Matter3 Marks
Question
With the help of graph answer the following –

Image

At constant temperature,
a. Graph shows relation between pressure and volume. Represent the relation mathematically.
b. Identify the law.
c. Write the statement of law.

✓

Answer

a. $P \propto \frac{1}{V}$
b. The graph represents Boyle's law as it gives relation between pressure and volume at constant temperature. c. Statement of Boyle's law: For a fixed mass (number of moles ' $n$ ') of a gas at constant temperature, the pressure (P) of the gas is inversely proportional to the volume $(V)$ of the gas.
$OR$
At constant temperature, the pressure of fixed amount (number of moles) of a gas varies inversely with its volume.

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