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72 Cards in this Set

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What is Avagados number?
6.02 * 10^23
What is the mass percent?
mass of one element / mass of compound
What is pressure?
is the force exerted per unit area of surface
NAME
is the force exerted per unit area of the surface
Pressure
What is mercury used for?
to measure pressure
Low pressure =
poor weather
High pressure=
bad weather
How is the weather predicted ?
according to the pressure
Nice weather has a ( ) pressure
low
Bad weather has a ( ) pressure
High
What does precipitate result in?
a solid
What is a combo reaction?
in which two substance combine to form one substance
What is a displacement reaction?
is a reaction in which a element reacts w a compound, displacing an element from it
What is a combustion reaction?
always produces water and carbon dioxide
How do you find pressure?
force/area
the si unitn of Pressure is ( ).
Pa
Pa stands for ( ).
pascal
Who is Pascal?
studied pressure, wanted to predict the weather better
NAME
studied pressure, wanted to predict the weather better
Pascal
kg/(m*s^2)=
Pa
Pa is the unit of ( ).
pressure
What is a manometer?
is a device for measuring the pressure of a gas or liquid in a vessel
NAME
is a device for measuring the pressure of a gas or liquid in a vessel
Manometer
What is barometer?
measures the pressure of a the atmosphere
NAME
measures the pressure of the atmosphere
barometer
The unit of mmHg is also called ( ).
torr
Torr is the unit of measurement for ( ).
mmHg (millimeters for Mecury)
the prefix for atmosphere is ( ).
atm
What is torr?
a unit of pressure equal to that exerted by a column of mercury 1 mm high at 0.00 C
NAME
is a unit of pressure equal to that exerted by a column of mercury 1 mm high at 0.00 C
Torr
What is the atompshere ?
1 unit of pressure = 760 mmHg
NAME
1 unit of P= 760 mmHg
the atmosphere
1 unit of pressure is equal to ( ).
760 mmHg
760 mmHg is equal to ( ).
1 unit of pressure
What does one atm equal?
1.01 * 10^5 Pa
What is Boyle's law?
says that the vol of a sample gas at a given temp varies inversily w applied pressure or PV=constant
What is Charles Law?
says the vol of any gas is proportional to the temp in Kelvin or V/T=constant
What does Avogadro's law say?
is equal vol of any two gases at the same temp and pressure contain the same number of molecules
NAME
say equal vol of any two gases at the same temp and pressure contain the same number of molecules
Avogadro's law
What is Vm stand for>
molar gas Vol
What is Vm?
is the vol of one mol of gas
NAME
is the vol of one mol of gas
Vm
STP stands for ( ).
standard Temp and pressure
Vols of gases are often compared at ( ).
STP
What is STP?
is the reference coniditions for gases chosen by convention to be 0 C and 1 atm pressure
NAME
is the reference coniditions for gases chosen by convention to be 0 C and 1 atm pressure
STP
What is the ideal gas law?
PV=nRT
What formal do you use if there you are comparing two gases VOl?
P1V1/T1=P2V2/T2
What is the oxidation state of all elementals substances?
0
What is the oxidation state of all Group 1 elements?
+1
What is the oxiadtion state of all Group 2 elements?
+2
What is the oxidation state of Oxgygen in compounds usally?>
-2
Does oxgyen always have a oxidation state of -2?
no
What is the only execption to oxgygen's oxidation state being -2?
peroxide w a state of -1
What is the oxidation state of oxygen in perozide?
-1
What is the oxidation state of Hydrogen usally?
+1
Neutral compounds will have the sum of the postive and negative oxidation states add up to ( ).
0
Polytamic ions will have the sum of the postive and negative oxidation states of ( ).
the polytamic ions charge
What is the oxidation state of monatomic ions?
the charge on the ion
What is a monatomic ion?
a ion by iteself w a charge
How do you balance redox equations?
(1)Id and Label Species losing and gaining using brackets (2)line up species and balance the redox active species with e gained and losed (3) Add up the two equations and balance using LCM (4)Find the charges and add either H, OH, or H20 (5)Balance and add states of matter
What is STP pressure and Temp?
O C and 760 Torr
PV=nRT what does each letter stand for?
P=pressure in atm
V=vol in moles
n=mass of product at the end
r=0.0821
Temp=in Kelivin
What are type I?
have a metal, and no polytamic ion
What are type II?
have a semi-metal, no polytamic ion, a unkwon charge, others equal charge of metal, and signs are reversed
What are type III?
no polytamic, and no metals
How do you name a acid?
no oxygen=hydro(root)ic acid

oxygen, and ends in ate= (root)ic acid

oxygen and ends in ite= (root)ic acid
Acids usally have ( 2 ).
H in front w/o oxygen and h2 in front with oxygen
Reductions go on the ( 1 )side and Oxidations go on the (2) side.
(1)left (2)right
What are the postulates of kinetic energy?
(1)gases are made up of molecules that are very small but have large distances btwn them (2) Molecues can moves in all directions and differ speeds from a straight line (3)The forces of attration or replusions btwn two molecules in a gas are very weak or negligible (4)When molcules collide wiht one other, they do not loss any kintic energy (5) The average kinetic energy is proportional to the Temp in Kelvin
What is the differ btwn flexion and extension?
(1)flexions- is a decrease in the angle btwn articulating bones (2)extension-is a increase in the angle btwn artictulting bones
What is the differ btwn dorsiflexion and plantar flexion?
(1)dorsiflexion-is the lifting of the foot so that its superior surface appears (2)plantar flexion- is the depressing of the foot