A vessel of 120 mL capacity contains a certain amount of gas at 35 °C and 1.2 bar pressure. The gas is transferred to another vessel of volume 180 mL at 35 °C. What would be its pressure? - Chemistry

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Numerical

A vessel of 120 mL capacity contains a certain amount of gas at 35 °C and 1.2 bar pressure. The gas is transferred to another vessel of volume 180 mL at 35 °C. What would be its pressure?

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Solution

Given,

Initial pressure, p1 = 1.2 bar

Initial volume, V= 120 mL

Final volume, V2 = 180 mL

Since the temperature remains constant, the final pressure (p2) can be calculated using Boyle’s law.

According to Boyle’s law,

`"p"_1"V"_1 = "p"_2"V"_2`

`"p"_2 = ("p"_1"V"_1)/"V"_2`

`= (1.2 xx 120)/180 "bar"`

`= 0.8 " bar"`

Therefore, the pressure would be 0.8 bar.

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Chapter 5: States of Matter - EXERCISES [Page 158]

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NCERT Chemistry Part 1 and 2 Class 11
Chapter 5 States of Matter
EXERCISES | Q 5.2 | Page 158

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