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HS Chem Final Review
Words?
21
Chemistry
10th Grade
12/17/2012

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Cards

Term
What is one way you can convert the metric system?
Definition
KHD|DCM
From Left To Right you multiply
From Right to Left you divide
Term
How do you calculate sig figs with decimal present? Without?
Definition
If decimal present than you count from left to right starting with the first number that is not a zero.
4.5600 would be 5 sig figs

If decimal is not present you count from right to left starting with the first number that is not zero.
3500 would be 2 sig figs
Term
Homogeneous definition?
homogeneous mixture example?
Definition
A substance that looks the same throughout

alcohol/water, blood, tea, wine
Term
Heterogeneous definition?
heterogeneous examples?
Definition
A substance that is not consistent throughout

oil/water, sandy water,
Term
Examples of mixtures
compounds
elements
Definition
sugar/water, air

carbon dioxide, water

helium, carbon, potassium
Term
examples of physical properties
examples of physical changes
Definition
density, mass, color, texture, volume, boiling point

cutting, crushing, evaporating, melting,
Term
Examples of chemical changes
Definition
reactivity, odor emitted
Term
What is the formula for density
Definition
d= m/v
Term
subatomic particles in nucleus?

What makes up most of the mass?

The number of p+= the # of
Definition
p+ n0

p+ n0

electrons
Term
What do the superscript and letters represent?

27
Al
Definition
The superscript is the mass
The letters are the element
Term
if Temp goes up Volume...

if Pressure goes up Volume...

If temp goes up pressure....
Definition
goes up

goes down

goes up
Term
When you are given either volume, pressure, and temperature what formula can you use?
Definition
pv = pv
___ ___
T T
Term
When you are given either pressure, volume, mols, or temperature you can use what formula?

How much does r equal
Definition
pv=nrt

0.0821
Term
Heating curve

Name the points in order

Name the heats in order and Write what each heat equals
Definition
Melting point, freezing point, boiling point, condensing point

Heat of fusion=334 j/g,Specific heat=4.184 j/g, Heat of vaporization=2260 j/g,
Term
When solving for energy what formula do you use?
Definition
q=mc(delta)t
Term
When solving molality and molarity what formula do you use?
Definition
m= mols/vol(Kiligrams) M=mols/vol (liters)
Term
When looking for frequency or wavelength what formula do you use?

How much is c
Definition
c=wavelength (m)/ frequency s-

3.0X10^8 m/s
Term
When looking for energy with wavelengths and frequency what formula do you use?

How much is h?
Definition
E=hc/wavelength

6.6262X10^-34 J*s
Term
Stp would be

How much is 0 degrees Celsius in kelvin
Definition
1 atm, (x)=(1 mol)(0.0821)(273K)

273
Term
When you have volume, element, pressure and temp but you want to solve mass what formula do you use?
Definition

MW(atomic mass)=mrt

____

vp

Term
When you are a given mass, element and stp but you want to find volume, what formula do you use?

What is volume in stp?
Definition
m/v=g-mm/vol

22.4L
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