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18,061 Views • Jan 14, 2025 • Click to toggle off description
Specific factors like evaporation, convection currents, and temperature gradients may all play a role, but no one has pinpointed a definitive answer yet.
In this video, we dive into the science behind this counterintuitive effect and explore why water continues to surprise us. Get ready to unravel one of nature's coolest mysteries!
#multipure #water #science #themoreyouknow #MpembaEffect #ice #freezing
Views : 18,061
Genre: Science & Technology
License: Standard YouTube License
Uploaded At Jan 14, 2025 ^^
warning: returnyoutubedislikes may not be accurate, this is just an estiment ehe :3
Rating : 4.878 (43/1,368 LTDR)
96.95% of the users lieked the video!!
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User score: 95.42- Overwhelmingly Positive
RYD date created : 2025-01-23T16:46:09.092389Z
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39 Comments
Top Comments of this video!! :3
I got a bad grade in freshman year of high school because I did this experiment as was required for summer homework. My results were that the water did not freeze faster comparing room temperature water in boiling water. Ever since then I've had a vendetta because I was actually correct but my grade did not reflect that. And a couple years ago I came across a similar video pointing out the Mpemba effect so I did a little research. As it turns out, this effect is not observed all the time. In fact, it's not observed most of the time. There are very specific conditions that need to be in place before this happens. And science can't even agree on the reason why he does. Your explanation is but one of four reasons why scientists think that the Mpemba effect happens. But at the end of the day, it's safe to say that hot water does not freeze faster than cold water.
39 | 1
It also makes glass clear ice cubs for drinks.
| 0
I said evaporation so I was right. But this is only true if the water dropplets break up thus creating more surface area for the water to evaporate and lose more energy
2 | 0
Theres been quite a few studies on this and we still dont know for sure, sometimes hot water freezes faster sometimes cold water does. I call b.s. though, the hot water has to reach the same temp as the cold, and still somehow maintains the properties it had when it was hot? Not a chance.
6 | 3
SO L33T!!!
2 | 0
Cool. I always thought it was described by the classic laws of thermodynamics: the bigger the temperature difference, the faster the rate of temperature change.
| 1
He described it at age 13?
5 | 2
That doesn't explain anything. Logically, cold air is dry. Causing hot water to be able turn into vapor faster than if the air were saturated. Water being converted into vapor requires energy, aka heat. As the water is turned to vapor, it takes the heat from the remaining liquid water. Removing heat equals cold. That's why hot water freezes faster than cold water.
1 | 1
Leet
6 | 1
So then this wouldn't hold true for a closed loop system
| 0
The only known method this works requires specific technology and strict procedure, as follows:
1: Aquire a freezer with metal interior and metal ice cube trays.
2: Allow ice to build up on the metal surfaces in the freezer.
3: Place the trays, one filled with hot water and the other with cold, directly above where the coils of refrigerant meet the freezer's interior casing.
The hot water will warm the tray, melting the ice beneath it, allowing metal on metal contact with the freezer casing. This will cause the hot water to be cooled at a much faster rate than the cold, even after it had reached the same temperature as the formerly colder tray.
2 | 0
Hot Water freeze faster bc it evaporates seems like a weak point of argument, more on the molecular effects, seems like a question of convection. Hot water molecules move at a higher speed thus dispersing cooler water faster?
| 2
kinda cheating if your using less water though right, kinda like saying a car can travel over a given distance faster if you make the distance less
| 0
i thought this was debunked 🤔
| 1
Smart guy, but he looks like he was surprised by picture day
| 3
Leet
4 | 0
@Iam....--..
4 months ago
It should be said that this isn’t always true. In fact most of the time it’s false. In many scenarios where all factors are equal the cold water will freeze faster. The suspected reason as to why hot water can freeze faster under a few certain conditions is because hot water (or more so when water is heated) it will lose oxygen, the less oxygen water has the faster it cools and thus freezes. A vast variety of factors can influence this effect taking place, and regardless the difference in cooling speed is minimal.
74 | 5