Why steam at 100°C causes more harm to our skin than water at 100°C?
Why steam at 100°C causes more harm to our skin than water at 100°C?
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1. Though steam and boiling water have same temperature, the heat contained in steam is more than that in boiling water.
2. Steam is formed when boiling water absorbs specific latent heat of vaporisation i.e.. 22.6 × 105 J/kg.
3. As a result, when steam comes in contact with the skin of a person, it gives off additional 22.6 × 105 joule per kilogram causing severe (more serious) burns.
Hence, burns caused from steam are more serious than those caused from boiling water at same temperature.
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