What does 42 C water feel like to the hand?
When your hand is submerged in 42 C water, it will initially feel very hot. This is because the temperature of your hand is lower than the temperature of the water, and heat will flow from the water to your hand until the two temperatures are equalized. As your hand warms up, it will start to feel less hot, and eventually it will reach a point where it feels comfortable. The exact temperature at which your hand will feel comfortable will vary depending on your individual physiology, but it is typically around 37 C.
If your hand is submerged in 42 C water for too long, it can start to feel painful. This is because the high temperature of the water can damage the cells in your skin. If you experience any pain, you should remove your hand from the water immediately.
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- What is the specific heat capacity of water? 4.18 J/(g·°C)
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