DP Chemistry (last assessment 2024)
Question 18M.2.hl.TZ2.5e
| Date | May 2018 | Marks available | [Maximum mark: 1] | Reference code | 18M.2.hl.TZ2.5e |
| Level | hl | Paper | 2 | Time zone | TZ2 |
| Command term | Determine | Question number | e | Adapted from | N/A |
e.
[Maximum mark: 1]
18M.2.hl.TZ2.5e
Enthalpy changes depend on the number and type of bonds broken and formed.
(e)
Determine the temperature, in K, above which the reaction becomes spontaneous.
[1]
Markscheme
«ΔHΘ = TΔSΘ»
«»
«T =» 949 «K»
Do not award a mark for negative value of T.
[1 mark]
