Yes pure (distilled) water will freeze faster than tap water because any impurities lower the freezing point. Regular water has minerals dissolved in it (such as calcium phosphate, and iron) and will freeze at a very slightly lower temperature than completely pure water.
Yes, a coin does sink slightly faster in pure water than it does in sea water. The dissolved salts in sea water make the water denser, and as a result, objects immersed in sea water will experience greater buoyancy than they do in fresh water.
Water freezes at 273.15 Kelvin on the Kelvin scale.
Pure water freezes at 0 degrees Celsius and boils at 100 degrees Celsius.
Yes. Very, very pure water may remain liquid below the normal freezing point until a nucleation point (a speck of dust, an irregularity in its container, or even just a shock wave from being jostled) is added, but it will definitely freeze.
According to my experiments, ice melts faster in water than in vinegar. It takes roughly twice as long to melt in vinegar than water when both the vinegar and water are at room temperature. I think the reason is vinegar is slightly more dense than water and what happens is as the ice melts in vinegar it forms a cool layer of water in the surface. The ice floats so it's in contact with the cool layer. When ice is in water, as the ice melts, the melted water is cooler an denser and drops to the bottom, so the ice floating in water is always in contact with a warmer layer of water.
I suppose that pure water freeze faster.
Pure water freeze faster.
Pure water is evaporated faster.
Because salt isn't water
Pure water will freeze at a higher temperature than a mixture containing water. Therefore, if a means for extracting energy from a sample of pure water is the same as a means for extracting energy from a sample of a mixture containing water, the pure water will freeze first.
Hot water will freeze faster than vinegar because the hot water atoms will slow quickly and the vinegar will take longer to freeze because it contains an oil like sustance which take lionger to freeze.
Pure water evaporate faster.
Pure water. Anything you add to the water will depress the freezing point thus making it take longer to freeze.
Because water is pure; solutes decrease the freezing point of solvents.
No, adding a solvent to water typically lowers the freezing point of the solution, causing it to freeze at a lower temperature than pure water.
Pure water freezes faster, although as anti-freeze goes, sugar is not one of the more potent. Try salt instead.
Adding salt to water lowers its freezing point by an amount that is dependent on the salt concentration. A saturated solution, for instance, will have a freezing point of about -20ºC compared with 0ºC for pure water. In any case, pure water will freeze earlier than salt water, because pure water has a higher freezing point.