The answer is: supersaturated solution.
A supersaturated solution contains more of the dissolved substance than could be dissolved by the solvent under normal circumstances.
A way to dissolve more sugar into a solution is heating a solution.
The more heat is added to a system, the more soluble a substance (in this example sugar) becomes.
The solution will become supersaturated if this solution is suddenly cooled at a rate faster than the rate of precipitation.
Answer:Ian is looking at cells using a microscope. He sees a nucleus and a large vacuole in the central area of a cell. What type of cell is he most likely looking at?
Explanation:
Ian is looking at cells using a microscope. He sees a nucleus and a large vacuole in the central area of a cell. What type of cell is he most likely looking at?
Answer: The vapor pressure of a solution in which the mole fraction of the solute is 0.200 is 80.0 torr
Explanation:
As the relative lowering of vapor pressure is directly proportional to the amount of dissolved solute.
The formula for relative lowering of vapor pressure will be,
where,
= vapor pressure of pure solvent = 100.0 torr
= vapor pressure of solution = ?
i = Van'T Hoff factor = 1 for nonvolatile, nonelectrolyte solute
= mole fraction of solute = 0.200
The vapor pressure of a solution in which the mole fraction of the solute is 0.200 is 80.0 torr
Smashing the cube into pieces
Explanation:
Smashing the cube into pieces will most likely increase the reaction rate between the manganese oxide and hydrogen peroxide.
The rate of a chemical reaction is a measure of the speed of a chemical reaction.
Some factors that affects the rate of chemical reaction are:
- Nature of the reactants
- Concentration of the reactants or pressure if gases.
- Temperature
- Presence of a catalyst.
- Sunlight(some reactions are light catalyzed)
- The nature of reactants implies the physical state of matter, bond type or surface area exposed of reacting species.
- The surface area exposed is directly proportional to the reaction rate.
- Breaking the cubes into smaller pieces exposes more surface area to the chemical action and the reaction rate increases.
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