| Date | November 2012 | Marks available | 1 | Reference code | 12N.1.SL.TZ0.12 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 0 |
| Command term | Question number | 12 | Adapted from | N/A |
Question
A mass of 0.20 kg of water at 20°C is mixed with 0.40 kg of water at 80°C. No thermal energy is transferred to the surroundings. What is the final temperature of the mixture?
A. 30°C
B. 40°C
C. 50°C
D. 60°C
Markscheme
D
Examiners report
[N/A]
Syllabus sections
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