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What volume is approached for a gas at 0 degrees Celsius cooled by 273 Celsius degrees?
-273 degrees Celsius is nearly 0 Kelvin or absolute zero. While it is believed that it is impossible to achieve a temperature of absolute zero, all gases will solidify before that happens. A pure gas should form perfect crystals.
As water is cooled from 4 degrees C to 0 degrees C its density?
4° C is the temperature of maximum density for water. Change temperature in either direction from there -- whether you warm it or cool it -- the density decreases.
Why would it be highly unlikely for temperature and dew point lines to criss-cross on a graph?
Dew point is supposed to be the temperature that water vapor is cooled to. If the air is colder than the condensation point (dew point) then it isn't being cooled.
How much ice does it take to cool down a 2500 gallon pool if it is 100 degrees outside?
It depends on what temperature you consider to be cooled down! I want to get it down to like 80 or less and the outside temp ranges from 100-110 this week
Is this true that water contracts on cooling but it expands when cooled further from 4 degree C to 0 degree C?
Yes it contract and the expansion from 4 to 0 degrees is due to the crystallisation of water molecules.
