| Date | May 2018 | Marks available | 1 | Reference code | 18M.1.SL.TZ2.13 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 13 | Adapted from | N/A |
Question
A sealed container contains water at 5 °C and ice at 0 °C. This system is thermally isolated from its surroundings. What happens to the total internal energy of the system?
A. It remains the same.
B. It decreases.
C. It increases until the ice melts and then remains the same.
D. It increases.
Markscheme
A
Examiners report
[N/A]
Syllabus sections
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