DP Chemistry (last assessment 2024)
Question 17N.2.hl.TZ0.a.ii
| Date | November 2017 | Marks available | [Maximum mark: 1] | Reference code | 17N.2.hl.TZ0.a.ii |
| Level | hl | Paper | 2 | Time zone | TZ0 |
| Command term | Calculate | Question number | a.ii | Adapted from | N/A |
a.ii.
[Maximum mark: 1]
17N.2.hl.TZ0.a.ii
Many reactions are in a state of equilibrium.
The following reaction was allowed to reach equilibrium at 761 K.
H2 (g) + I2 (g) 2HI (g) ΔHθ < 0
The following equilibrium concentrations in mol dm–3 were obtained at 761 K.
Calculate the value of the equilibrium constant at 761 K.
[1]
Markscheme
45.6
