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Cold water requires a higher temperature elevation than warm water does, and therefore will take longer to heat to boilinIf you start with hot water there is not enough difference in temperature from top to bottom to create an effective convection loop, because hot stuff only rises while in the presence of cold stuff to rise above. Warm water promotes a slower convection loop and hence will take longer for "ALL OF THE WATER" to hit 212 degrees.
according to scientists, the notion that a body of cold water will reach boiling temperature more quickly than an identical body of hot water under the same parameters is simply false.
This kitchen myth may have started as a way to encourage people to cook with cold water, not hot, which can contain more impurities. It may also have its origins in the fact that cold water generally gains heat more rapidly than water that is already hot, though it will not boil faster.
But under the right circumstances, the reverse phenomenon can occur, and hot water can freeze more quickly than cool water.
THE BOTTOM LINE
Cold water does not boil faster than hot water, but hot water can freeze more quickly than cool water
What else can I help you with?
Does cold water drain faster than hot water?
Yes, cold water can drain faster than hot water due to differences in viscosity and temperature affecting flow rates. However, the difference may be minimal and can also depend on factors such as pressure and pipe material.
Which hot or cold water will freeze faster?
In some cases, hot water can freeze faster than cold water due to the Mpemba effect. This phenomenon occurs because hot water can evaporate more quickly, which reduces the volume of the water and leads to faster cooling. However, there are many variables at play, so it is not a reliable method for freezing water quickly.
How long do it take for hot water to freeze?
The time it takes for hot water to freeze depends on factors such as the initial temperature of the hot water and the surrounding temperature. In general, hot water will freeze faster than cold water due to the Mpemba effect, which is the phenomenon where hot water freezes faster than cold water under certain conditions.
Does hot water get colder faster than cold water?
Yes ,the higher the temperature gradient between the hot water and room temperature, the faster it cools. However, that does not mean that hot water will freeze faster than cold water (a common urban legend). If you have water at 50°C in a room at 20°C, it will cool from 50° to 40° faster than it will cool from 40° to 30°.
Why does boiling water freeze faster than cold water?
The Mpemba effect, where hot water freezes faster than cold water, is a complex phenomenon that is not fully understood. Some possible explanations include faster evaporation of hot water, differences in dissolved gases, and changes in the structure of water molecules.
Why does the water become cold when filling the bath from your combination boiler?
Because you are using the Hot water faster than the boiler can produce it. Turn the tap/faucet off a bit. Get the proper sized boiler
Does cold water heat faster than hot water?
No, hot water heats up faster than cold water.
Does Skittles dissolve faster in cold water or hot?
Probably hot water.
Does cold water heat up faster than hot water?
No, hot water heats up faster than cold water.
What can freeze faster hot water or cold water?
cold water
Does a boat sink in hot warm or cold water faster?
It sinks faster in hot water than warm or cold
What causes sugar to dissolve faster in hot water than cold water?
hot water has faster moving particales than cold water
How hot water dissolves faster then cold water?
Hot water does not dissolve. Neither does "cold". And, the grammatically correct question would be "Hot does hot water dissolve faster than cooler water."
Are the cold and hot water can dissolve faster?
Solid chemicals are dissolved faster in hot water.
Which salt dissolves faster hot or cold water?
salt dissolve faster in hot water
Does the experiment show that cold water boils faster than hot water?
No, the experiment does not show that cold water boils faster than hot water.
What kills germs faster cold or hot water?
hot water
