It will freeze at the same speed at either of those temperatures, °F or °C . Water loses heat at a constant rate as long as the material it contacts remains colder than it is. At 32°F /0°C, water must still lose additional heat energy before ice will form.
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°.
40 degrees
0 degrees CelsiusWater begins to freeze at 32 degrees Fahrenheit, or as stated 0 degrees Celsius. Hot water will take longer to freeze than cold water since the water will take time to cool to the proper freezing temperature. The freezing point does not change, however; water will have to be cold before it finally freezes.
The alcohol in Jack Daniels can freeze at -113 degrees Celsius. but the mixture with water (43%) will freeze at a higher temperature. I had 40% Absolut Vodka start to show crystals of freezing at -28 C.
Standard green anti-freeze 70%. Distiller water 40%.
40% Mabey
40% pwoder uranium 40% sugar 10% water
yes
Heating radiators in buildings freeze when the water gets 0 Celsius. In cars it controlled by the strength of the coolant mixture. Where I live we target 40 below for safety, but at that strength the coolant doesn't really freeze at 40 below, it kind of "gel's" and wont circulate anymore, freezing at a lower unspecified temperature.
40 cups
when bacteria is in temperatures below 5 degrees it starts to die of, that's why people store food in fridges.
It would depend on the ratio of your antifreeze mix (typically glycol and water). If mixed 1:1 or 50/50, the solution will freeze at around -40°C (which can also be represented by -40°F) More glycol = a lower freezing point