Show:
The Mole
Stoichiometry
States of Matter & Gas Laws
Solutions
Equilibrium, Acids, & Bases
100
A mole is a unit of measurement used in chemistry to express amounts of a chemical substance
What is a mole?
100
The relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers.
What is Stoichiometry?
100
Solid, Liquid, Plasma, and Gas
How many states of matter is there?
100
a mixture containing substances that are evenly distributed.
What is a homogeneous mixture?
100
1-7
On a scale where does an acid fall into?
200
1 mole= (molar mass/ from table)
What is the formula to go from grams to moles?
200
Before, Change, and After
What does BCA stand for in a BCA table?
200
Gas
What type of matter is Co2?
200
is a liquid heterogeneous mixture.
What is a suspension?
200
Acids and bases
What turns litmus paper different colors?
300
28 g Fe
Convert 0.5 moles Fe to grams Fe.
300
Unbalanced
Is KClO3 (s) --> KCl (s) + O2 (g) balanced or unbalanced?
300
Solid
What type of matter are pure metals in?
300
Aerosols, Solid aerosol, Foam, Emulsions, Sols, Solid foams, Gels, and Solid
What are two examples of colloids?
300
lower
A solution of pH6 has a ______ [H3O+] than does a solution of pH4.
400
.71 moles of NaOH
You are given 4.3 x 10^23 particles of NaOH, how many moles does this equal?
400
39.2g MgCl2
If 20.0 g of magnesium react with excess hydrochloric acid, how many grams of magnesium chloride will be produced?
400
the force that acts on the surface of a liquid and that tends to minimize the area of the surface
What is surface tension?
400
C. They appear to be more than one substance.
Which of the following is NOT true of solutions? a. The contain a dissolved substance called a solute. b. They are composed of two or more evenly distributed substances. c. They appear to be more than one substance
400
HCN – hydrocyanic acid H2SO3 – sulfurous acid H2CO3 – carbonic acid
Name the following acids: HCN H2SO3 H2CO3
500
553g of Fe2O3
What is the mass of 3.5 moles of Fe2O3?
500
13.35g CO2
When butane, C4H10 burns in oxygen, the products are carbon dioxide and water. What mass of carbon dioxide will be produced when 4.42 g of butane is burned in excess oxygen?
500
the process in which a solid changes directly into a gas (the term is sometimes also used for the reverse process)
What is sublimation?
500
solute
In a solution, the ________ is the substance that is dissolved.
500
H3O+ - hydronium ion
Name this ion: H3O+