| Date | May 2014 | Marks available | 1 | Reference code | 14M.1.HL.TZ1.13 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 13 | Adapted from | N/A |
Question
An ideal gas expands at constant pressure. The graph shows the relationship between pressure P and volume V for this change.
The change in the internal energy of the gas during this expansion is 1800 J. What is the amount and the direction of thermal energy transferred?
A. 3000 J into the gas
B. 3000 J out of the gas
C. 600 J into the gas
D. 600 J out of the gas
Markscheme
A
Examiners report
[N/A]
Syllabus sections
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