Does Hot Water Or Cold Water Boil Faster. Common sense would yield that the hotter the water, the quicker it should boil, because it is already closer to the boiling point, but the hypothesis of this experiment will stray. I have never heard claims that cold water boils faster than hot water, but cold water does absorb heat faster than cold water.
Is It True that Hot Water Freezes Faster than Cold Water from www.scientificamerican.com
It seems obvious that the answer should be no, because all things being equal, hot water takes longer to cool down than cold water, and so it couldn't possible freeze faster. This effect, combined with the evaporation effect, may make. Materials and equipment / ingredients.
Cold water does not boil faster than hot water, but hot water can freeze more quickly than cool water.
There may be other reasons to use cold water, but if you were purely concerned about speed, you’d use hot. Can hot water freeze faster than cold water?, monwhea jeng, university of california, 1998. This effect, combined with the evaporation effect, may make.
If you want, you can try this on your stove at home to be sure.
So, filling your chafing dishes with hot water does not heat tour good faster or save stereo. The same is true for thawing frozen food; However, hot water doesn't always freeze faster than cold water.
Ways to make water boil faster.
Using hot or warm water instead of cold water can decrease the time it takes for your water to boil. Hot water boils faster than cold water, but the difference is not as great as you might expect. In fact, there's a chance that covered cold water may boil faster than uncovered warm water.
Test if this is true or false by simply filling one container with hot water and another with cold.
Actually the temp of the water doesn’t really affect how long it takes to boil (as i demonstrated in 78th grade science fair). To determine whether cold water boils faster than warm water; Materials and equipment / ingredients.
If the water is initially hot, cooled water at the bottom is denser than the hot water at the top, so no convection will occur and the bottom part will start freezing while the top is still warm.
Since the time of aristotle, researchers and amateur scientists alike have batted about the counterintuitive theory that hot water freezes faster than cold. “ cold water does not boil faster than hot water. However, once cold water reaches the temperature of hot water, its heating rate slows down and it takes just as long to boil.
