Which is a practical application of boiling-point elevation?
a. cooling a supersaturate...
Which is a practical application of boiling-point elevation?
a. cooling a supersaturated sugar-and-water solution to form rock candy.
b. burning coal to make the steam that powers a steam engine.
c. adding antifreeze to water in a car radiator in summer to raise the boiling point.
d. boiling sea water to recover the salt it contains.
Answers: 2
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Initially, the balloon had 3.0 liters of gas at a pressure of 400 kpa and was at a temperature of 294 k. if the balloon is cooled to 277 k and its volume decreased to 1 l, what will the new pressure in the balloon be?
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What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?
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