DP Physics (first assessment 2025)

Question 20N.2.HL.TZ0.b(i)

Date	November 2020	Marks available	[Maximum mark: 2]	Reference code	20N.2.HL.TZ0.b(i)
Level	HL	Paper	2	Time zone	TZ0
Command term	Calculate	Question number	b(i)	Adapted from	N/A

b(i).

[Maximum mark: 2]

20N.2.HL.TZ0.b(i)

Calculate the pressure following this process.

[2]

Markscheme

use of $P V^{\frac{5}{3}}$ is constant « $4.0 \times 10^{5} \times {(2.0 \times 10^{- 2})}^{\frac{5}{3}} = P_{2} \times {(5.0 \times 10^{- 2})}^{\frac{5}{3}}$ » ✓

$P_{2} = 8.7 \times 10^{4} « Pa »$ OR $87$ « $kPa$ » ✓

Award [2] marks for a bald correct answer

Syllabus sections

B. The particulate nature of matter » B.4 Thermodynamics

Question 20N.2.HL.TZ0.b(i)

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