2500
None. At 0 degrees Celsius the water is already frozen.
Roger.
that's wrong the energy required is 754 kJ but i don't know how to work it out
Yes the melting and freezing points are the same.
Adding Salt to water will lower its melting point by about 5 degrees Centigrade. When it is cold outside, you spread salt over the roads so that even if the water is at -3 degrees, it will won't freeze.
Simply, the melting point. Think of an ice cube. The melting point is the temperature at which the ice cube MELTS into a liquid.
i think you mean what is the melting point of ice as water cant melt. the melting point of ice at sea level is 100 degres celsius
by adding impurities the melting point of ice can be increased.... and perhaps can water melt i think the right question suppose to be how can the melting point of ice be changed?
The freezing point of water (also known as the melting point) is 0 degrees Celsius
Yes, sea water can freeze up to - 3 0C.
Depends on the pressure the water is under, but normal water will freeze.
Salt lowers the melting point of water. The water will have to be at a colder temperature to freeze since the salt inhibits the waters ability to form ice crystals at the normal freezing temperature.
It depends on the pressure. At normal atmospheric pressure, the melting point of water is about 273.15 K.
It does, but its melting (and thus freezing) point is much lower than that of water so you can't actually freeze it in a regular freezer. To be precise, the melting point of ethanol is around -115 degrees Celsius or around -174 degrees Fahrenheit.
When we removed ice to freeze its molcule absorb heat which is present surrounding if heat is above melting point of it then its molcles keep distance between each other and act as a fuild,
No, it can't be separated. The salt water would completely freeze with a change in melting point of solution.
Nothing freezes "faster", they need different temperatures to freeze: even if you keep water at 2 degrees celsius for months, it won't freeze! However, since the melting point is the same as the freezing point, I'd have to say the answer to which freezes more easily is water since it contains no solutes which are considered impurities. Impurities lower the melting point of a substance, and therefore lower its freezing point, making it more difficult to reach the freezing point of Orange Juice than it is to reach the freezing point of water.
3820 degrees Kelvin is the melting point of diamond. There is nothing in a diamond to freeze, no water, no volatile mineral, only carbon.
What takes longer to melt ice or freeze water?
H2O is water. The melting point of water is 0oC or 32oF