# Study sets matching "chemistry formulas"

Study sets

Diagrams

Classes

Users

Percentage

Average

Average error

Volume by Calculation

The variable / Total x 100%

Sum total of all measurements / # of measurements

Actual value - experimental value / actual value = average err…

V(sphere) = 4/3(3.1416)r^3... V(cylinder) = V = 3.1416(r^2)height…

Percentage

The variable / Total x 100%

Average

Sum total of all measurements / # of measurements

ion

poly-atomic ion

acids

transition metals

and atom or group of atoms that has a positive or negative cha…

a tightly bound group of atoms that behaves a a unit and has a…

compound that contains positive hydrogen ions (H+) bonded to a…

metals located in the D Block of the periodic table, many of w…

ion

and atom or group of atoms that has a positive or negative cha…

poly-atomic ion

a tightly bound group of atoms that behaves a a unit and has a…

empirical formula

molecular formula

percent compositon

moles to mass example

1. Write the mass percent as a mass Mass percent is just mass…

equal to the mass of that element divided by the total mass pr…

empirical formula

molecular formula

1. Write the mass percent as a mass Mass percent is just mass…

Ar (relative atomic mass )

Mr (relative formula mass )

Percentage mass of an element in a comp…

Number of moles

on top of element on periodic table

Ar of all atoms in molecular formula added together

Ar x num of atoms in that element / Mr x 100

mass in g (of element or compound )/ Mr of element or compund…

Ar (relative atomic mass )

on top of element on periodic table

Mr (relative formula mass )

Ar of all atoms in molecular formula added together

Element

Compound

Molecule

Chemical Formula

A pure substance made of only one kind of atom.

A substance made of two or more different elements bonded toge…

A group of atoms bonded together

A combination of chemical symbols and numbers to represent a s…

Element

A pure substance made of only one kind of atom.

Compound

A substance made of two or more different elements bonded toge…

Percentage

Average

Average error

Volume by Calculation

The variable / Total x 100%

Sum total of all measurements / # of measurements

Actual value - experimental value / actual value = average err…

V(sphere) = 4/3(3.1416)r^3... V(cylinder) = V = 3.1416(r^2)height…

Percentage

The variable / Total x 100%

Average

Sum total of all measurements / # of measurements

Degrees of Unsaturation

Strong Acids

Strong Bases

Gas Constant

(2n + 2 - x)/2 ... (x=# of H's and Halogens, n= #carbons, Ni rep…

HCl, HI, HBr, H2SO4, HClO4, HNO3.

1. Grp 1 and 2 Hydroxides.... 2. Grp 1 Oxides.... 3. Metal amides.

R= 0.0821 L-atm/mol in PV=nRT

Degrees of Unsaturation

(2n + 2 - x)/2 ... (x=# of H's and Halogens, n= #carbons, Ni rep…

Strong Acids

HCl, HI, HBr, H2SO4, HClO4, HNO3.

Analysis

Chemical change

Coefficient

Decomposition

A reaction that is the reverse of a synthesis reaction. A sing…

A change in which the identity of the products differs from th…

A number written in front of a formula.

A single compound is broken down into two or more simpler subs…

Analysis

A reaction that is the reverse of a synthesis reaction. A sing…

Chemical change

A change in which the identity of the products differs from th…

Percentage

Average

Average error

Volume by Calculation

The variable / Total x 100%

Sum total of all measurements / # of measurements

Actual value - experimental value / actual value = average err…

V(sphere) = 4/3(3.1416)r^3... V(cylinder) = V = 3.1416(r^2)height…

Percentage

The variable / Total x 100%

Average

Sum total of all measurements / # of measurements

a

b

Kilo Centi Micro

Mega Deci Milli Nano

Multiplication or Division:... a) Least S.F... b) Least D.P

Addition or Subtraction:... a) Least S.F... b) Least D.P

Mega - ______ - Deci - ______ - Milli - ______ - Nano

_______ - Kilo - ______ - Centi - _______ - Micro - _______

a

Multiplication or Division:... a) Least S.F... b) Least D.P

b

Addition or Subtraction:... a) Least S.F... b) Least D.P

GIVE THE FORMULA FOR THE FOLLOWING:... Ave…

STATE THE PRODUCTS FOR EACH OF THE FOLL…

STATE THE PRODUCTS FOR EACH OF THE FOLL…

STATE THE PRODUCTS FOR EACH OF THE FOLL…

A.A.M= (% x Isotope #)+(% x Isotope #)+(% x Isotope #).....

metal hydroxide ... ex. MgO + H2O---> Mg(OH)2

oxyacid... ex. SO3 + H20 ---> H2SO4

polyatomic salt... ex. 2KCL + 3O2 ---> 2KClO3 (this reaction alw…

GIVE THE FORMULA FOR THE FOLLOWING:... Ave…

A.A.M= (% x Isotope #)+(% x Isotope #)+(% x Isotope #).....

STATE THE PRODUCTS FOR EACH OF THE FOLL…

metal hydroxide ... ex. MgO + H2O---> Mg(OH)2

Specific Heat Formula

Celsius to Kelvin

Kelvin to Celsius

Energy

Specific Heat = Energy/Mass x Change in Temperature

Temperature(Kelvin) = Temperature(Celsius) + 273.15

Temperature(Celsius) = Temperature(Kelvin) - 273.15

Joules(Q)

Specific Heat Formula

Specific Heat = Energy/Mass x Change in Temperature

Celsius to Kelvin

Temperature(Kelvin) = Temperature(Celsius) + 273.15

% y=A y/T y

Percentage Yield

actual yield

Theoretical yield

Percentage Yield is equal to the Actual Yield divided by the T…

% yield = Actual yield/theoretical yield... actual yield - amoun…

amount of specific product actually obtained in the reaction.

the yield that is calculated assuming that reaction wen to 100…

% y=A y/T y

Percentage Yield is equal to the Actual Yield divided by the T…

Percentage Yield

% yield = Actual yield/theoretical yield... actual yield - amoun…