If you fill a glass to the brim with ice water and the ice melts, what will happen?
Answers
In most cases such as where the room is above zero C & as 50% ice & water the ice would melt as it absorbs heat from the environment to become water with less volume so the level should fall however, if the ratio is mostly water with only a little ice eg 95% water, 5% ice & the room is at zero celcius & with high humidity in the air then at first the level would be expected to fall but, then will rise as the air’s humidity deposits water in the glass as well as on the sides of the glass.
In other words the permutations can’t guarantee a simple result, you would need to know the conditions of everything that can affect the experiment & there are a few, one would have to write up a chart to cover all the possibilities…
The Balance of Probabilities in most normal circumstances is the level would fall but not by much. In some cases it can rise and that can push water up as the ice is “wet” and a tiny amount can spill over but, if the bottom of the glass is very cold below zero then it can push a lot of water which is on top & not yet frozen over the lip of the glass…
It can be very complicated as the ice may be from heavy water whilst the water is normal water so the ice sinks or the other way around too, most interesting to try.
Hope this will help you..... ✌
The water level will drop slightly as the ice melts.
Explanation:
Density of ice is less than Density of Water
Density = Mass/Volume
=> Mass = Density * Volume
Mass of Ice = Mass of Water
Density of ice * Volume of ice = Density of Water * Volume of water
=> density of ice / Density of water = Volume of Water / Volume of ice
=> Density of ice is less than Density of Water
density of ice / Density of water < 1
=> Volume of Water / Volume of ice < 1
=> Volume of Water < Volume of ice
Hence The water level will drop slightly as the ice melts.
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