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Question 17N.3.SL.TZ0.8b

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Date November 2017 Marks available [Maximum mark: 2] Reference code 17N.3.SL.TZ0.8b
Level SL Paper 3 Time zone TZ0
Command term Sketch Question number b Adapted from N/A
b.
[Maximum mark: 2]
17N.3.SL.TZ0.8b

A monatomic ideal gas is confined to a cylinder with volume 2.0 x 10–3 m3. The initial pressure of the gas is 100 kPa. The gas undergoes a three-step cycle. First, the gas pressure increases by a factor of five under constant volume. Then, the gas expands adiabatically to its initial pressure. Finally it is compressed at constant pressure to its initial volume.

(b)

Using the axes, sketch the three-step cycle.

[2]

Markscheme

correct vertical and horizontal lines

curve between B and C

 

Allow tolerance ±1 square for A, B and C

Allow ECF for MP2

Points do not need to be labelled for marking points to be awarded

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