A marathon runner loses only 2ml of water as sweat to lower their body temperature by 1 degree Celsius. Which property of water facilitates this?
Q1. A marathon runner loses only 2ml of water as sweat to lower their body temperature by 1 degree Celsius. Which property of water facilitates this?
Answer: High heat of vaporization
Explanation: High heat of vaporization (574 kcal/kg) allows significant cooling with minimal water loss. Specific heat refers to temperature change, not phase change.