Question

17. To what temperature must a gas at 27 °C be cooled in order to reduce its volume to 1/3rd of its
original volume, pressure remaining constant?
(Ans. 100 K or -173°C]​

Answer 1

Answer:

Gas equation-

P¹*V¹/T¹= P²*V²/T²

V¹/T¹= V²/T² (as P is constant)

V¹/300= V¹/3*T² 

T²=100K

so, gas should be cool down to 100K.

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Answer 2

Answer:

17. To what temperature must a gas at 27 °C be cooled in order to reduce its volume to 1/3rd of its

original volume, pressure remaining constant?

(Ans. 100 K or -173°C]