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Question 20N.1A.SL.TZ0.9

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Date November 2020 Marks available [Maximum mark: 1] Reference code 20N.1A.SL.TZ0.9
Level SL Paper 1A Time zone TZ0
Command term Question number 9 Adapted from N/A
9.
[Maximum mark: 1]
20N.1A.SL.TZ0.9

Two containers X and Y are maintained at the same temperature. X has volume 4 m3 and Y has volume 6 m3. They both hold an ideal gas. The pressure in X is 100 Pa and the pressure in Y is 50 Pa. The containers are then joined by a tube of negligible volume. What is the final pressure in the containers?

A.  70 Pa

B.  75 Pa

C.  80 Pa

D.  150 Pa

[1]

Markscheme

A

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