All Questions
Tagged with everyday-life evaporation
44
questions
0
votes
3
answers
130
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How to dry a cup?
If you wash a cup and shake it out thoroughly so there are no longer any drops of water large enough to move, it seems like the cup ought to dry faster by putting it right side up, since all drying ...
6
votes
2
answers
918
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Why do coloured water droplets form rings upon drying up?
While cleaning my fountain pen, I spilled some water on the table. The water drops had some ink dissolved in them. When these drops dried up, the deposited pigment density was visibly much higher near ...
1
vote
1
answer
374
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Why does a small puddle of water evaporate faster at the edges than the center?
I have read that ceiling tile stains and coffee ring stains are darker on the edges than the center because the puddles evaporate fastest at the point of contact between the surface, air, and water ...
0
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2
answers
93
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Could a window mounted wet cloth sheet chill a room?
Assuming there is a light wind, that construction is partly shaded and a constant water pouring and evaporation of the material is occurring due to the breeze.
0
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0
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35
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Why do we feel cool after switching fan? [duplicate]
Please see that my actual question is not similar to this: Why do we feel cool when we turn our fans on?
Suppose I switched my fan on. The air particles start moving. Since, their kinetic energy ...
0
votes
1
answer
78
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Mystifying Relative Humidity - That can't be accurate?
While humidifying a room in my home, measuring the Temperature and Relative Humidity (T&RH respectively) every 8 hours, I noticed that RH rises and falls with T when it should be the inverse.
I ...
0
votes
1
answer
235
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Why my glass spects or windows becone blurr in winter i.e cold weather due to my breath but NOT in summer i.e hot weather?and why disappear after?
I noticed than when I blow up on my spects it get blurr as water vapor condense onmy spects, but after some time it dissappear! How?
If water vapor at first place loose heat to my spects as my spects ...
-1
votes
3
answers
165
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Why we spread clothes for fast drying and how evaporation rate become faster then?
Why wrinkled cloth (not spread out) takes time to dry up
Look at diagram
Here, water molecule on surface of wrinkled area will also evaporate same as non wrinkled area (may be) ! So why it takes time ...
2
votes
1
answer
289
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Why does mist on glasses disappear when you go back outside in freezing weather?
This evening after a walk in the cold weather, about -5 degree Celsius, my glasses were misting up when I got back into the warm house, about +20 degree Celsius.
However, shortly after I went outside ...
2
votes
2
answers
596
views
Why does hair dry faster when I have less hair?
I recently had a haircut, and have noticed that water in my air dries up faster when I short hair. I assume that hair loses water due to evaporation. We have been taught that evaporation is faster ...
2
votes
1
answer
58
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Water Evaporation on Earthen Pot
In earthen pot water molecules lose heat energy, so where is the temperature drop more - on the pot's surface or inside water?
45
votes
11
answers
10k
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Why does moving air feel colder? [duplicate]
If temperature is just the average kinetic energy of particles, why would moving air feel colder rather than warmer?
6
votes
2
answers
1k
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What causes the milk to suddenly rise up & spill out if not stopped?
Well, when milk is heated in a container its temperature starts rising & water vapor bubbles rise up through it. This initially causes a little and slowly rise in level of milk. But after certain ...
4
votes
3
answers
2k
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Dumping hot liquid water in sink [closed]
When I make pasta or potatoes, I dispose of the hot water (around 80-100°C) in a metal sink.
Am I justified to first pour regular hot tap water on the sink to reduce the amount of steam generated, or ...
2
votes
0
answers
129
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Why do rain clouds form in the first place?
Thought process leading to the question
It's cold over here in India and I noticed that while breathing out some cloudy thing comes out of my mouth (I found it is called EBC (Exhaled Breathe ...