DP Chemistry (first assessment 2025)
Question 21M.1A.SL.TZ1.3
Date | May 2021 | Marks available | [Maximum mark: 1] | Reference code | 21M.1A.SL.TZ1.3 |
Level | SL | Paper | 1A | Time zone | TZ1 |
Command term | Derive | Question number | 3 | Adapted from | N/A |
3.
[Maximum mark: 1]
21M.1A.SL.TZ1.3
What volume of oxygen, in dm3 at STP, is needed when 5.8 g of butane undergoes complete combustion?
A.
B.
C.
D.
[1]
Markscheme
B
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.