Term
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Definition
measurement of amount of matter in and object
*same on earth and moon |
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Term
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Definition
measurement of gravitational force acting on an object
*takes gravity into account so changes on the moon |
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Term
| Physical properties/ changes of matter |
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Definition
take place without change in composition
and can be observed without change
freezing, melting, evaporating. color shape and mass |
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Term
| Chemical properties/changes of matter |
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Definition
only observed by attempting to change matter into new substance/composition
flammability to react to substance, burning of paper, fizzing of a mixture |
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Term
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Definition
| Solutions same regardless of where same is obtained from the mixture |
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Term
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Definition
| properties depend on where the location sample was taken |
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Term
| how to convert Kelvin to celcius |
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Definition
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Term
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Definition
Kilo *1000 gives grams
centi1/100
milli 1/1000 |
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Term
| how to write a number in scientific notation |
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Definition
Place a decimal to the right of the first non zero number
10010000000
1.001*10^10 |
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Term
| Scientific notation Chapter 1 PG 14-15 questions |
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Definition
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Term
| Significant figure calculations CH 1 pg 16 |
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Definition
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Term
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Definition
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Term
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Definition
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Term
| how to find the number of electrons based off peridoic table |
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Definition
| electrons = protons so atomic #9= 9 protons, and electrons |
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Term
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Definition
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Term
Mole Calculations
CH2 pg 18-22 |
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Definition
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Term
| find the molecular weight of H2O |
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Definition
| mass weight of H, and 2 O |
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Term
draw S, P, D orbitals
CH3pg 5 |
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Definition
S=circle
p- polar
d-4 ways |
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Term
| where is the most metallic element on the PT |
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Definition
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Term
| where is the biggest atomic size on the PT |
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Definition
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Term
| how does reactivity change on the chart |
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Definition
| top to bottom, bottom most reactive |
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Term
| where is the biggest ionization energy on the PT |
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Definition
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Term
how to name a compound
CeS |
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Definition
metal name+ stem of nonmetal -ide
Cerium Sulfide |
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Term
how to draw a lewis structure
SO3
CH 3 PG15 |
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Definition
S surrounded by 3 O
then place valance electrons around outside (based on group number) |
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Term
balanced equations
CH 5 pg 2-4 |
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Definition
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Term
Oxidation numbers CH 5 pg 6-8
what is ON of any uncombined element
what is the charge of an ion
what is Oxygen combined
what is ON hydrogen |
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Definition
any uncombined element is 0
the charge follows group H1, Be2, O-2, F-1
oxygen combined is -2
hydrogen combined +1 |
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Term
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Definition
one element reacts with compound and displaces element to become new compound
A+BX----- B+AX |
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Term
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Definition
two or more substances react to crease a new single substance
A+B----C
(combine to make one product) |
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Term
| Double replacement reaction |
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Definition
two compounds react and exchange partners to form 2 new compound
AX+BY---- BX+AY |
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Term
Mass percent CH1 PG 22
find mass of oxygen in CO2 |
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Definition
mass of 0/
mass of CO2 *100
or mass of single element/total mass
*(100) |
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Term
Total net ionic equation and net ionic
CH5 pg 15
**** Look at old slide!
BaCl2+ Na2S________BaS(s) + 2naCl |
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Definition
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Term
endothermic reaction def.
Is it a physical or chemical reaction? |
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Definition
physical process not chemical
ex melting of ice. as ice melt heat is absorbed from are surrounding ice |
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Term
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Definition
| chemical reaction that releases heat |
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Term
| how does altitude influence boiling point |
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Definition
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Term
pV=nRT
CH 6 pages 10-14
What does r equal |
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Definition
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Term
How to calculate molarity
CH 7 pg 10
What is the equation for molarity |
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Definition
M= mole of solute/ liters of solution
**250 ML= .250L |
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Term
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Definition
Solute dissolved into
Solvent
to form a Solution |
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Term
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Definition
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Term
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Definition
| indication of disorder or randomness of system |
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Term
Endothermic exothermic reaction graphs
CH8 pg 9 |
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Definition
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Term
| what is the position of equilibrium |
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Definition
reactant left product right
or Products over reactants |
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Term
| what factors influence equilibrium |
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Definition
| shifts in response to changes made, ex add to the left balances out to the right |
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Term
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Definition
| any substance that provides hydrogen ions when dissolved in water |
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Term
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Definition
| any substance that provides hydroxide ions (OH-) when dissolved into water |
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Term
Bronsted acid
Bronsted Base |
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Definition
any hydrogen containing substance that is capable of donating an (H+) proton to another substance
accepts the proton
EX CH 9 pg 2 |
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Term
PH calculations CH9 pg 7
PH=
H+= |
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Definition
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Term
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Definition
gains electron
so ON number decreased and becomes REDUCED
OA Reduces |
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Term
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Definition
Loses electron so ON increases
becomes Oxidized
Look at example Ch 5 pg 9 |
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Term
| if something loses and electron it is called |
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Definition
Oxidized: NA is oxidized so tNA is the reducing agent
H is reduced so H2o is oxidizing agent |
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Term
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Definition
| force between ions that holds them together +attracted to - |
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Term
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Definition
| bond formed through electron sharing between atoms |
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Term
| how to increase rate of dissolving |
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Definition
crush or grind solute
heat solvent
stir solution |
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