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Date May 2017 Marks available 1 Reference code 17M.1.SL.TZ2.12
Level Standard level Paper Paper 1 Time zone 2
Command term Question number 12 Adapted from N/A

Question

A sealed container contains a mixture of oxygen and nitrogen gas.
The ratio  mass of an oxygen molecule mass of a nitrogen molecule  is  8 7 .

The ratio average kinetic energy of oxygen molecules average kinetic energy of nitrogen molecules is

A.  1.

B.  7 8 .

C.   8 7 .

D.  dependent on the concentration of each gas.

Markscheme

A

Examiners report

[N/A]

Syllabus sections

Core » Topic 3: Thermal physics » 3.2 – Modelling a gas
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