You have a polar molecule. What molecule will not dissolve in the polar molecule?
A non polar molecule
100
What are homogeneous and heterogeneous mixtures?
Homogeneous = contains 2 or more substances that are evenly mixed but not bonded together.
Heterogeneous = a type of mixture where the substances are not evenly mixed.
100
Is a solution with a pH of 7 an acid, base, or neutral?
Neutral
100
Are acids and bases both corrosive?
Yes
100
What is another name for a solution?
A homogeneous mixture
200
When the temperature of a solution increases, does the solute dissolve faster or slower?
Fast
200
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200
Is a solution with a pH of 14 acid, base, or neutral?
base
200
What happens when an acid and a base are combined?
It is neutralized.
200
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300 points
2/18
300
Does a diluted solution have more or less solute per given amount of solvent than a concentrated solution?
Less solute
300
Is an element a substance?
Is a compound a substance?
A solid-solid solution made from 2 or more metals.
400
What is concentration?
It tells you how much solute is present compared to the amount of solvent.
400
What is a substance?
Matter that has the same fixed composition and properties. (a substance can be separated by a physical process)
400
What is pH?
A measure of how acidic or basic a solution is.
400
What types of ions do acids contain?
Hydronium ions
400
What do we call the process when a solute can come back out of its solution and form a solid.
crystallization
500
What is solubility?
A measurement that describes how much solute dissolves in 100g of solvent at a given temperature.
**How much solute will dissolve in a certain amount of solvent**
500
What is a mixture?
Combination of substances that are not bonded together.
500
Predict the pH level of a mystery solution with very low levels of hydronium ions and high levels of hydroxide ions.
Base: 12 - 14
500
What type of ions for bases contain?
Hydroxide ions
500
An IV is an example of a diluted or concentrated solution?