AP chem test stuff

Formula for sulfite

SO3 -2

Formula for sulfate

SO4 -2

Formula for phosphate

PO4 -3

Formula for acetate

C2H302 -1

Formula for Ammonium

NH4 +1

Formula for Acetate other one

CH3COO -1

Formula for bicarbonate

HCO3 -1

Formula for bisulfate

HSO4 -1

Formula for chlorite

ClO2 -1

Formula for chlorate

ClO3 -1

Formula for hydroxide

OH -1

Formula for Iodate

IO3 -1

Formula for nitrate

NO3 -1

Formula for nitrite

NO2 -1

Formula for perchlorate

ClO4 -1

Formula for carbonate

CO3 -2

Formula for silicate

SiO3 -2

Another name for bicarbonate

Hydrogen carbonate

Formula for dihydrogen phosphate

H2PO4

Saying for finding the metric prefixes

King Henry Danced Merrily Down Central Maine.

The order of the metric prefixes

Kilo- hecto- deka- meter- deci- centi- mili-

Avogadro’s number

6.022×10^ 23

Formula for Kelvins

C + 273.15

The liquid conversion for moles at STP

22.4 L

Ounces in a pound

16

Centimeters in an inch

2.56

Lbs in a Kg

2.2

Centimeters in a meter

100

Milimeters in a meter

1000

Meters in a deka meter

10

Meters in a kilometers

1000

Meters in a hectometer

100

Meters in a dekameter

10

Decimeters in a meter

10

Formula for density

mass/volume

Make sure to cube values in a table if they’re cubed for something like volume

okay

Make sure to double the molar mass of elements that are diatomic whenever using them in a table

okay

Start with your given whenever solving a table, and never attempt to start a problem with the density fraction, it’s a conversion for LATER

okay

Whats the chemical name for B2Si

Diboron monosilicide

Make sure to add prefixes to the start of chemical names for formulas that include 2 covalents

okay

On ionic and covalent, only add prefix to the 2nd name in the chemical name

okay

On a chemical formula with a metal transition metal and a nonmetal, don’t include prefixes, and just add an -ide

okay

Don’t add a prefix to the first element in a NM NM compound

okay

Don’t add prefixes to compound with a metal and polyatomic ion, or NM!

okay

What does the prefix hexa mean?

6

What does the prefix penta mean?

5

What does the prefix tetra mean?

4

What does the prefix tri mean?

3

What does the prefix di mean?

2

What does the prefix mono mean?

1

What does the prefix sept mean?

7

What does the prefix octo mean?

8

In a percent problem to find the empirical, assume the total molar is 74.03 g for the compound, and divide by the molar mass for each until you eventually divide by the smallest number found, round EXCEPT ON HYDRATE PROBLEMS!!!

okay

What is the result of combustion reactions?

CO2 + H2O