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Thermodynamic data can be obtained from a coffee cup?

Updated: 8/18/2019
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12y ago

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Most people say that you leave the coffee so it's hotter when you get back then pour the milk in. This is incorrect... a simple Thermodynamic principle is that the further away something is from the ambient temperature the faster it will approach it - it's exponential. So If you ad the milk first the coffee will be closer to the room temperature and cool down slower than if you left it and poured the milk in after.

Of course there are variables like the temperature of the room and the milk - the density and insulation of the cup itself but the basic principle stands.

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Q: Thermodynamic data can be obtained from a coffee cup?
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