That turns out to be surprisingly difficult, not least because the statement “hot water freezes faster than cold” is ill-defined. In a recent paper, Jeng suggests a more precise wording (arXiv.org/abs/physics/
Why does red dye diffuse faster than blue dye? Why apple remains firm on the outside but mushy soft on the inside when heated with water? Why does our skin remain red after a bad sunburn? Why do plant leaves normally appear green? Why doesn't negative staining use Gram'...
Formula can be really expensive, and breastmilk is… well, free! Although that extra sustenance has to come from somewhere–you’ll likely be feeding yourself a little more so it may very well even out. Who knows. Average Cost of Formula Per Month When you consider how much a baby costs...
Why does turbulent flow separate more than laminar flow? We know that whenever an iron piece falls into water, it will sink. Why would a large ship made of iron not sink? Why the milk comes out from the bowl when it is boiled whereas water won't come out? How does faster-m...
To make Jello set faster, you need to: Dissolve the gelatin mix in 3/4 cup boiling water. Add ice to 1/2 cup cold water to make 1 1/4 cups. Stir the cold water into the gelatin until it's slightly thickened. Then just remove any unmelted ice, and refrigerate for 30 to 90 minu...
If you've never eaten it (although you probably have), porridge is a type of food served for breakfast. It is usually a type of grain, like rice or oat (燕麦), mixed with either milk or water, and often heated up. It is often thicker than liquid, but not s...
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If you've never eaten it (although you probably have) porridge is a type of food served for breakfast. It is usually a type of grain, like rice or oat (燕麦), mixed with either milk or water, and often heated up. It is often thicker than liquid, but not so...
How does food in a pressure cooker cook faster? Why does food cook slowly at higher altitudes but in a pressure cooker it cooks fast? Why does the boiling point decrease with a decrease in pressure? When cooking pasta, why do we often put salt in a pan of water before we boil ...
Why do methylated spirits evaporate faster than water? Why is NaI in acetone used as a solvent for SN2 reactions and AgNO3 for SN1 reactions? Why is water considered a universal solvent? Why would ethyl alcohol not be a good solvent to use with water in an extraction? O...