Elements and Compounds
A substance containing only one type of atom is called a(n):
Cooking an egg
Chemical Change
A solution where water is the solvent.
Aqueous Solution
What would be considered the solvent and the solute in kool aid?
Solvent- water
solute- kool aide powder
A compound is _______ type(s) of atom(s).
two or more
Dyeing your hair brown.
Physical Change
The part of the solution that does the dissolving.
Solvent
The term to describe how fast something dissolves.
Rate of dissolution
How many elements are in H2OCl3Na
4 Elements
Dissolving a powder
Physical change
Creamer dissolving in coffee is an example of a _____.
Solution
To bother or to stir a solution.
Agitation
What is the difference between an element and a compound?
Element is one type of atom and Compound is 2 or more types of atoms
What occurs during a chemical change and what occurs during a physical change?
Chemical- a new substance occurs
Physical- the substance remains the same
What is it called to form a solution by mixing evenly?
Dissolve
2g of sugar is placed into a glass of cold water and also into a glass of warm water. Which glass will have the fastest rate of dissolution?
Warm water
Identify the elements in the compound and how many atoms of each element.
C2H8Cl6O
Carbon-2
Hydrogen-8
Chlorine-6
Oxygen-1
The formation of a solid when two liquids combine is called?
Precipitate
Adding water to sweet tea in order to reduce the sweetness is an example of ____.
Dilution
What two factors affect the rate of dissolution?
Temperature and Surface Area
Agitation and Concentration