DP Chemistry (first assessment 2025)
Question 22M.1A.SL.TZ2.3
| Date | May 2022 | Marks available | [Maximum mark: 1] | Reference code | 22M.1A.SL.TZ2.3 |
| Level | SL | Paper | 1A | Time zone | TZ2 |
| Command term | Interpret | Question number | 3 | Adapted from | N/A |
3.
[Maximum mark: 1]
22M.1A.SL.TZ2.3
Which graph represents the relationship between the amount of gas, n, and the absolute temperature, T, with all other variables in the ideal gas equation, PV = nRT, held constant?
[1]
Markscheme
B
Examiners report
56% of the candidates selected the correct graph representing the relationship between the amount of gas and its absolute temperature. The most commonly chosen distractor gave a directly proportional relationship.
Syllabus sections
Structure 1. Models of the particulate nature of matter » Structure 1.5—Ideal gases » Structure 1.5.4—The relationship between the pressure, volume, temperature and amount of an ideal gas is shown in the ideal gas equation PV = nRT and the combined gas law P1V1T1= P2V2T2. Solve problems relating to the ideal gas equation.