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Does the density of a solution increase or decrease on evaporation?
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Why does adding a salt solution to the saponification mixture cause the salt to precipitate?
Adding salt the density of the solution increase and the soap precipitate and float; the process is called "salting out".
When a substance changes from a solid to a liquid its density normally decreases. What is happening to the substance's mass and volume to cause this decrease in density?
A decrease in density would indicate a reduction in mass relative to the volume. If the mass decreases but the volume remains the same or increases, then the density would decrease.
Does clean water evaporate faster then dirty water?
yes it does. The evaporation rate of water is dependent on the number of molecules that can be presented to the evaporating surface. Anything in the water besides water will decrease this density and slow the process of evaporation.
Why solubility of hydrocarbons decreases as no of carbon atoms increases?
the solubility of the hydrocarbons decrease because as the number of carbons increase the electron density of the electronegative element i.e.oxygen increase and the polarity of o-H bond decrease . Thus the capability of hydrocarbon to form hydrogen bond decrease and its solubility decrease
What causes the speed of a sled to increase or decrease when going down a hill?
Either the friction or density of the snow.
Does evaporation of salt water cause it to increase or decrease density?
The density increase after evaporation.
Do evaporation of salt water cause density to increase or decrease?
The density of water increase after evaporation.
Do evaporation of salt water cause density increase or decrease?
During evaporation the density increase.
Does evaporation of saltwater cause density to increase or decrease?
The density of the water increases.
Why does evaporation increase the density o ocean water?
The concentration of solutes increase after evaporation.
Does the surface energy increase or decrease with increase in planar density?
decrease
Why does the evaporation increase the density if ocean water?
By evaporation concentration of salt increase; salted water has a higher density than pure water.
You can increase density by decreasing what?
decrease the volume. that way whatever is in the solution is more concentrated, thus more dense
Why evaporation increase the density of ocean water?
No
Why does evaporation increase the density of ocean water?
No
Why does a evaporation increase the density of ocean water?
Evaporating water the concentration of salts increase and so the density increase.
What happens to density during evaporation of salt water?
The density increase.
