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Question 19M.1A.SL.TZ1.13

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.1A.SL.TZ1.13
Level SL Paper 1A Time zone TZ1
Command term Question number 13 Adapted from N/A
13.
[Maximum mark: 1]
19M.1A.SL.TZ1.13

A gas storage tank of fixed volume V contains N molecules of an ideal gas at temperature T. The pressure at kelvin temperature T is 20 MPa.  N 4 molecules are removed and the temperature changed to 2T. What is the new pressure of the gas?

A. 10 MPa

B. 15 MPa

C. 30 MPa

D. 40 MPa

[1]

Markscheme

C

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