Question 23
Thermal ExpansionA volume of water is heated from 0°C to 15°C. Which of the following diagrams correctly represents the variation of the volume with temperature?
- A.Diagram A
- B.Diagram B
- C.Diagram C
- D.Diagram D
Show the answer and explanation
Answer: C (Diagram C)
Explanation
Water is anomalous: from 0°C to 4°C its volume decreases, then above 4°C it expands. Graph C falls to a minimum at 4°C and then rises.