DP Chemistry (last assessment 2024)
Question 19N.3.hl.TZ0.20b(i)
| Date | November 2019 | Marks available | [Maximum mark: 1] | Reference code | 19N.3.hl.TZ0.20b(i) |
| Level | hl | Paper | 3 | Time zone | TZ0 |
| Command term | Calculate | Question number | b(i) | Adapted from | N/A |
b(i).
[Maximum mark: 1]
19N.3.hl.TZ0.20b(i)
A proton-exchange membrane (PEM) fuel cell uses pure hydrogen gas as the fuel and a proton exchange membrane as the electrolyte.
(b(i))
Calculate the cell potential, Eθ, in V, using section 24 of the data booklet.
[1]
Markscheme
(+)1.23 «V» ✔
NOTE: Do not accept “-1.23 «V»”.
