Questions tagged [ice]

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3
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0answers
274 views

can freezing water burst a short pipe if the pipe is open at both ends?

My question: If a thin-walled copper or brass pipe is open on both ends (let's dimension it at 60 cm long by 8mm inner diameter, as an example) and is filled with slightly salty water (estuarine ...
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1answer
97 views

Physics of Ice books

I am looking for some references for books on the physics of ice from a condensed matter perspective. Does anyone know any good advanced books on the subject?
2
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2answers
438 views

Frozen lake ice formation

Yesterday I went walking on the Lagorai mountain, in northern Italy. Passing near the Lake Erdemolo, I noticed a small part of frozen water from the lake, separated from the rest (the lake was not ...
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2answers
366 views

Why is each snow flake different?

What are the factors that determine the patterns of snow flake formation? Would pressure and the rate at which a snow flake freezes make a difference? Does the PH and impurities make a change in the ...
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3answers
135 views

Why can a block of ice at $0^\circ\rm C$ and water at $0^\circ \rm C$ coexist in an insulated bucket without changes either way in the amount of ice?

Question Why can a block of ice at $0^\circ \rm C$ and water at $0^\circ \rm C$ coexist in an insulated bucket without changes either way in the amount of ice? Note The textbook I read mentions ...
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0answers
63 views

Water solidifies near the bottom of a hypothetically deep oceanic trench

How deep (kilometers) would an oceanic trench on planet Earth have to be in order for the water to become a solid because of the pressure from the water column? For simplicity, maybe assume chemically ...
0
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1answer
60 views

Scattering of acrylic glass in ice

For some biological testing reason, I have to place some tubes in a frozen sea ice environment. I need to choose a proper material. I would like something that leaves the visible light field within ...
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1answer
72 views

Can we build a space tower out of ICE? [duplicate]

Sounds crazy i know, but hear me out there are place's all over the universe with ice glaciers much bigger then what we can even imagine on earth. So what if he build a Tower in the middle of ...
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0answers
75 views

How much energy is released by decompressing water?

How much energy would be released if 2L of (relatively pure) water compressed to 1L at room temperature was suddenly decompressed to atmospheric pressure? Even a first-order approximation would be ...
0
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1answer
310 views

Why does hot water freezes faster than normal water? [duplicate]

What is the reason behind hot water gets Freezes faster than normal water when we keep both the hot and normal water together in freezer ?
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3answers
20k views

Why is ice made from boiled water clear?

A common trick to make clear water ice is to boil pure water prior to freezing it. Why does that work and what are the white inclusions in ice that was made from unboiled tap water?
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1answer
3k views

Is there a temperature at which ice is denser than water?

Normally ice would float on water because its density is less compared to that of water as a liquid. But is it possible that its density will increase due to a very low temperature or is ice in any ...
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1answer
337 views

How cold does this ice have to be to freeze this water bottle solid?

We are at sea level in a room that is 21 celsius. We have 1 liter of sterile water with a temperature of 21 celsius in a normal plastic bottle. We have a 20 liter bucket of ice cubes, consisting of ...
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6answers
2k views

How can removing energy from a system do work? (ice)

Water freezing into ice expands, damaging roads, breaking rocks, etc. To my understanding, this is doing work (in a physics sense) by removing energy from the system. How is this possible?
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1answer
36 views

Why is this ice cloudy at the center and has a transparent layer?

This fell at my place during a hailstorm. I can not figure it out why it is like this.
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1answer
102 views

Would High Explosive helped free Shackleton's ship, trapped in pack ice?

This question is based on physical concepts regarding presssure waves and crystallography, but I thought it might be helpful to include a brief historical context first. From Wikipedia: Loss of Polar ...
8
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1answer
7k views

Melting ice: reversible or irreversible?

I am looking into whether the melting of ice (or any substance for that matter) at constant pressure and temperature is reversible or irreversible. Different sources say different things, and it may ...
0
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1answer
5k views

Is ice harder than steel?

While trying to fix our garburator, I found a couple sites claiming that you can sharpen the blades of your garburator by forcing it to process ice. From my understanding though, that would only be ...
4
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2answers
167 views

Why is there ice at the Earth's poles? [duplicate]

I beg your pardon for such a silly question, but I've never really understood the explanation they gave in the Geography textbooks. If the slanting Sun's rays due to the Earth's axial tilt can cause ...
0
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1answer
405 views

Will throwing oil on snow help it melt faster (significantly)? [closed]

The main thing that melts snow is the sun. Indeed, without the sun, the air itself would eventually turn to snow. The problem is, the sun melts snow inefficiently. The sun emits radiation (a lot of ...
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1answer
1k views

Physics of waves under an ice road

As wikipedia writes, While easier to drive across in the winter than land, roads over water present a great danger to anyone using them. Speeds are typically limited to 25 km/h (16 mph) to prevent ...
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0answers
24 views

Fermi estimate for ice nucleation timescale

My friends in a Cryo-EM lab freeze their very samples quickly, a process they call vitrification. The timescale for this process is milliseconds (from wikipedia): The production of amorphous ice ...
3
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1answer
624 views

Do sodium chloride(ions) melt the ice or not?

My question is this, In European countries, they use NaCl or KCl to melt ice during the winter season. In Asian Countries, they use NaCl to keep the ice without melting. (Ex- Ice cream boxes, Beer ...
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1answer
253 views

Are There Any Theories To Explain Why Ice Freezes in Orthogonal Patterns on Surfaces Such as Glass

If one examines the following image: One will notice that the ice is freezing in this characteristic criss-cross pattern. Are there any theories to explain this behavior? I've seen this on car wind-...
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2answers
105 views

Is it possible to mix a drink with a non-standard phase of ice?

Would it be possible to safely cool and drink a glass of water with anything else than the Ih form of ice? Here and here you can see that some alternative forms of ice have a higher density than ...
2
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2answers
3k views

What's the best (practical!) shape to maximize the rate of heat transfer?

I want to cool down a lot of water with a huge ice cube. What's the best shape to maximize the rate of heat transfer?
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5answers
10k views

Does ice made out of salt water melt slower than ice made of pure water?

I'm trying to make this whole bunch of ice bottles to cool down my little aquarium. What I want in the ice bottles is that, fter freezing the whole bottle full water into ice, I need the ice to melt ...
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2answers
890 views

Does ice melt slower in space?

If you have an ice block in the International Space Station would it melt more slowly than on Earth at the same temperature and pressure. The reason I ask is that ice can melt due to pressure. The ice ...
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1answer
1k views

Why doesn't water get 'increasingly thicker' as it gets colder?

It's my understanding that the colder liquids get (or anything else for that matter) the slower the constituting particles move. That being the case, why is H$_2$O either 'water' or 'ice'? Given that ...
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3answers
3k views

Does wax go through a sharp phase transition when it melts?

When ice melts, the system goes sharply from being solid to being liquid. There is no intermediate state where it is soft. This is a true phase transition. The thermodynamic potential is not an ...
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1answer
7k views

Does an ice cube change its core temperature as it melts?

Let's say we have an ice water solution in an ambience with room temperature, i.e. there is a permanent exchange of energy. Let's suppose the ice cubes were from the freezer, which is at $-18°C$. The ...
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1answer
6k views

Why is ice more reflective than liquid water?

Why is ice more reflective (has higher albedo) than liquid water? They're both the same substance (water). Is something quantum mechanical involved?
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3answers
1k views

Does ice made with hot water melt faster than ice made with cold water?

This is an other side of the coin question about the freezing of hot water vs cold water, called the Mpemba effect.
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1answer
6k views

Why isn't ice a good electrical conductor?

Water can conduct electricity, and some solids can conduct. Why can't ice? Are ice molecules too packed together to let valence shell electrons bounce across each other to create electrical charge? ...
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2answers
1k views

Why is the temperature of the ice/water bath not dependent on the barometer pressure, as was the temperature of the boiling-water bath?

Part of a laboratory experiment question set. Why is it that the known temperature of the boiling bath can be accurately determined from the days atmospheric pressure but the atmospheric pressure is ...
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1answer
102 views

can ice crystals be molded into a structural shape in space

I know that water exposed to vacuum space first boils and then turn into vapor (sublimates) . Is it possible re use this vapor say inside a pressurized membrane, to mold it into a solid ice structure, ...
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1answer
300 views

How can towtrucks tow a heavy truck on icy roads?

(This isn't hardcore physics, but bear with me. I've been watching too much Highway Thru Hell and I'm curious about this) A common problem on the Highway Thru Hell TV-show is trucks stuck on an icy ...
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4answers
883 views

Lake Ice Temperature

Given: A lake with an established sheet of ice of some nominal thickness covering it. It is night (no radiant energy from the sun). No wind. Air temperature -10 degrees Celsius. Will the temperature ...
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2answers
1k views

Air bubbles in Ice and cause for their shape?

I was looking at the ice formed in my refrigerator and found out there were a lot of air bubbles inside it. The shape of the air pockets seemed strange to me. There were many small spherical ones ...
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1answer
672 views

Why is the melting point of an object inversly proportional to pressure?

In my science book it is written that as the pressure increases the melting point of a solid decreases but i think that it is wrong as the pessure will make the molecules stick together instead of ...
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4answers
6k views

Which one is colder? Zero temperature ice or zero temperature water?

I like to understand that which one of the following items seems colder, when we touch them? zero temperature ice zero temperature water Why?
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1answer
148 views

Is ice denser at 0K than say 253K?

Assume we let some water freeze in freezer under normal conditions. We then measure its density. We then chill it down towards 0K. Does it get denser? I assume so but how much? Does the fact that the ...
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0answers
73 views

How water anomalies affects the Mpemba effect?

I understand basic explanation of Mpemba effect like this: Distant molecules are easier to realign into new formations. But if we compared two bottles of water like in Mpemba effect and one of them ...
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0answers
77 views

Melting icicles

If I break off the bottom half of an icicle, will the top half melt faster?                       &...
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2answers
8k views

Why does ice become sticky the colder it gets? [duplicate]

I noticed that ice becomes stickier the colder it gets. I am reminded of the fool who stuck his tongue to a cold galvanized steel pole and got stuck to it. I am guessing that the pole was so cold that ...
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1answer
2k views

Can ice freeze? [closed]

We know that ice is already the frozen (solid) form of water. The question is more like: Can this frozen form freeze further? Or can it become more solid? (for example, by exposing to colder ...
3
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3answers
608 views

Why does ice melts faster near the surface of water?

I had a few frozen bottles and while they were melting I saw this: in all of the bootles, the ice seems to get thiner near the surface. I have searched a bit and I've found this video that shows ...
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2answers
1k views

Why do crystals grow in preferred directions?

I want to know why snowflakes (and other crystals) grow symmetrically and I find the leading answer to the established question to be entirely unsatisfactory. When water freezes, you get ice. Ice, ...
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1answer
63 views

What can I add to a solution to water and ice to make it freeze normally? [closed]

I'm trying to make ice cubes with salt in them, any tips on if this can be accomplished?
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1answer
2k views

Flakes of Ice in Frozen Milk and Orange Juice

When I was a kid, my family used to put our gallon jugs of milk and orange juice into the freezer when we'd go away on vacation so that they would keep longer. As I remember it, if we were gone for a ...