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a solution with a state of equilibrium between the dissolving solute coming of solution is
the temperature at which the vapor pressure is equal to the average atmospheric pressure at sea level
normal boiling point
the temperature at which a liquid undergoes a phase change too the solid state at a normal pressure is the
properties of acids include
sour taste, reacts with active metals to generate hydrogen gas and changes litmus from blue to red
atmospheric air is homogenous mixture of gases that is mostly nitrogen gas. The nitrogen is therefore the,
a homogenous mixture is made up of 95 percent alcohol and 5 percent water. In this case, the water is the
the solution concentration terms of parts per million, percent by volume, and percent by weight are concerned with the amount of
solute in solution
if a salt solution has a salinity of 40 parts per thousand what is the equivalent percentage measure?
a salt solution has solid salt on the bottom of the container, and salt is dissolving at the same rate that it is coming out of solution. You know the solution is
a saturated solution
an example of a hydrogen bond is a weak to moderate bond between
a hydrogen atom of one polar molecule and an oxygen atom of another polar molecule
adding sodium chloride to water raises the boiling point of water because
sodium chloride ions occupy space at the water surface
salt solutions freeze at a lower temperature than pure water because
ions get in the way of water molecules trying to form ice
when a solution of an acid and a bade are mixed together,
a salt and water are formed, they lose their acid and base properties and both are neutralized
a scale of values that express the hydronium ion concentration of a solution is known as
the pH scale
substance A has a pH of 2 and substance B has a pH of 3. This means that
substance A is 10 times more acidic that substance B
the heat of fusion, specific heat, and heat of vaporization od water are high compared to similar substances such as hydrogen sulfide because
hydrogen bonds form between water molecules
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