Questions tagged [water]
Two Hydrogen atoms covalently bonded to one Oxygen atom. One of the more common compounds on the surface of the earth.
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Why is water blue?
As you descend underwater and look back at the sun, it turns green before it turns totally blue.
Using just a wave's functions as an explanation, the light speed slows down in the water but frequency ...
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What is the melting point of salt ice?
Salt is used on the roads in winter to decrease the freezing point of water.
Let's assume that some salted water has fully frozen to ice, at its lowered freezing point due to the addition of salt. No ...
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Apparent violation of Gay-Lussac's Law due to non-uniform temperature: How to measure effective gas temperature? [closed]
Gay-Lussac's Law states that for an ideal gas at constant volume and amount:
$$\frac{P}{T} = \frac{nR}{V} = \text{constant}$$
However, this assumes uniform temperature throughout the volume. In a real ...
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How can water be compressed to the immense pressures required for it to become supercritical?
For instance, in supercritical steam generators in power plants, or nuclear reactors using SC water as coolant, how are these pressures reached?
Is the water boiled and compressed at the same time by ...
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How does lightning interact with solid particles in the air?
I tried searching on the internet but could not find any information on how lightning interacts with solid particles
in the air, apart from ice crystal collisions possibly playing a role in initiating ...
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How ice cubes react with salt water vs pure water [duplicate]
Originally, I thought that the sea salt water would naturally influence a faster melting period. However, when I conducted this experiment, that is not what occurred. I started with two clear cups of ...
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Why does flowing water produce what sounds like white noise?
Why does flowing water produce what sounds like white noise? Is this due to a certain type of turbulence? Is there a proof that the noise produced is white (or pink or Brown?)?
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Condensation of water droplets on one side of a bottle!
Here is what I observed:
Background:
I kept this bottle in my room, at a place where:
half of it was in complete darkness (well, minimal light did fall on it, but very minimal).
the other half ...
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Leaving room for boiling water in a pot on the moon
(In what follows, I'm trying to make sure I've accounted for the dominant effects correctly.)
I have an open pot of water (without a lid) on the stove, in a very usual kind of setup. I don't fill the ...
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Pressure conflict when priming a siphon: 1m water column vs. 20cm tank level
I have a question about fluid dynamics that is causing some confusion for me. It relates to the pressures at play when priming a siphon.
The Setup:
Imagine two identical tanks, Tank A and Tank B.
...
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Where are the round shadows coming from?
The gif shows a shallow stream and the picture is taken from a small bridge.
Even though it is completely impossible to see anything in the water from the side, on the ground you can see round shadows....
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Does freezing water give off energy in vacuum too? [duplicate]
I read that freezing water gives off heat but how does that happen in vacuum? Does it emit particles or something like that since conductivity is not an option.
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Do water heaters create visible ripples in the surrounding water? [closed]
I have an aquarium and around the heater there are ripples in the water.
Do aquarium heaters create ripples in the surrounding water?
If so, why does this happen?
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Does lower pressure in a liquid help it to atomize?
I was thinking about Bernoullis principle and how it might relate to how an atomizing spray bottle works. As the liquid exits the bottle, it is forced through a small nozzle which increases its ...
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Is it more space-efficient to move liquid $\rm H_2$ and $\rm O_2$ and mix them into water after delivery?
Suppose I want to ship a bunch of potable water from Earth to a hypothetical habitat on Earth's moon. Water is pretty much incompressible, so the volume I can transfer is just the volume of the ...
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