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2
questions
6
votes
1
answer
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Can potassium carbonate be used to calibrate hygrometers?
Context:
In the process of trying to calibrate a number of hygrometers, with Sensirion MEMS electronic sensors, I came across the method of using wet salt: an airtight container will stabilize at a ...
- 163
-5
votes
1
answer
5k
views
Why does hot water eventually turn cold, and why does cold water eventually turn hot? [closed]
I get cold water from my tap and put it in my water bottle. Over the day as I drink it, the water looses it coldness and slowly becomes warmer.
On the other hand, if I get hot water (maybe I'm sick ...
- 153