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72 Cards in this Set
- Front
- Back
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What is Avagados number?
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6.02 * 10^23
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What is the mass percent?
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mass of one element / mass of compound
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What is pressure?
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is the force exerted per unit area of surface
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NAME
is the force exerted per unit area of the surface |
Pressure
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What is mercury used for?
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to measure pressure
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Low pressure =
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poor weather
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High pressure=
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bad weather
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How is the weather predicted ?
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according to the pressure
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Nice weather has a ( ) pressure
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low
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Bad weather has a ( ) pressure
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High
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What does precipitate result in?
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a solid
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What is a combo reaction?
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in which two substance combine to form one substance
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What is a displacement reaction?
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is a reaction in which a element reacts w a compound, displacing an element from it
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What is a combustion reaction?
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always produces water and carbon dioxide
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How do you find pressure?
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force/area
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the si unitn of Pressure is ( ).
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Pa
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Pa stands for ( ).
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pascal
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Who is Pascal?
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studied pressure, wanted to predict the weather better
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NAME
studied pressure, wanted to predict the weather better |
Pascal
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kg/(m*s^2)=
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Pa
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Pa is the unit of ( ).
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pressure
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What is a manometer?
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is a device for measuring the pressure of a gas or liquid in a vessel
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NAME
is a device for measuring the pressure of a gas or liquid in a vessel |
Manometer
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What is barometer?
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measures the pressure of a the atmosphere
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NAME
measures the pressure of the atmosphere |
barometer
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The unit of mmHg is also called ( ).
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torr
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Torr is the unit of measurement for ( ).
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mmHg (millimeters for Mecury)
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the prefix for atmosphere is ( ).
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atm
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What is torr?
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a unit of pressure equal to that exerted by a column of mercury 1 mm high at 0.00 C
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NAME
is a unit of pressure equal to that exerted by a column of mercury 1 mm high at 0.00 C |
Torr
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What is the atompshere ?
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1 unit of pressure = 760 mmHg
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NAME
1 unit of P= 760 mmHg |
the atmosphere
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1 unit of pressure is equal to ( ).
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760 mmHg
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760 mmHg is equal to ( ).
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1 unit of pressure
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What does one atm equal?
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1.01 * 10^5 Pa
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What is Boyle's law?
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says that the vol of a sample gas at a given temp varies inversily w applied pressure or PV=constant
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What is Charles Law?
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says the vol of any gas is proportional to the temp in Kelvin or V/T=constant
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What does Avogadro's law say?
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is equal vol of any two gases at the same temp and pressure contain the same number of molecules
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NAME
say equal vol of any two gases at the same temp and pressure contain the same number of molecules |
Avogadro's law
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What is Vm stand for>
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molar gas Vol
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What is Vm?
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is the vol of one mol of gas
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NAME
is the vol of one mol of gas |
Vm
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STP stands for ( ).
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standard Temp and pressure
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Vols of gases are often compared at ( ).
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STP
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What is STP?
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is the reference coniditions for gases chosen by convention to be 0 C and 1 atm pressure
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NAME
is the reference coniditions for gases chosen by convention to be 0 C and 1 atm pressure |
STP
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What is the ideal gas law?
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PV=nRT
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What formal do you use if there you are comparing two gases VOl?
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P1V1/T1=P2V2/T2
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What is the oxidation state of all elementals substances?
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0
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What is the oxidation state of all Group 1 elements?
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+1
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What is the oxiadtion state of all Group 2 elements?
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+2
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What is the oxidation state of Oxgygen in compounds usally?>
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-2
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Does oxgyen always have a oxidation state of -2?
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no
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What is the only execption to oxgygen's oxidation state being -2?
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peroxide w a state of -1
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What is the oxidation state of oxygen in perozide?
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-1
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What is the oxidation state of Hydrogen usally?
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+1
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Neutral compounds will have the sum of the postive and negative oxidation states add up to ( ).
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0
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Polytamic ions will have the sum of the postive and negative oxidation states of ( ).
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the polytamic ions charge
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What is the oxidation state of monatomic ions?
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the charge on the ion
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What is a monatomic ion?
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a ion by iteself w a charge
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How do you balance redox equations?
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(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
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What is STP pressure and Temp?
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O C and 760 Torr
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PV=nRT what does each letter stand for?
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P=pressure in atm
V=vol in moles n=mass of product at the end r=0.0821 Temp=in Kelivin |
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What are type I?
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have a metal, and no polytamic ion
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What are type II?
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have a semi-metal, no polytamic ion, a unkwon charge, others equal charge of metal, and signs are reversed
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What are type III?
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no polytamic, and no metals
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How do you name a acid?
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no oxygen=hydro(root)ic acid
oxygen, and ends in ate= (root)ic acid oxygen and ends in ite= (root)ic acid |
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Acids usally have ( 2 ).
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H in front w/o oxygen and h2 in front with oxygen
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Reductions go on the ( 1 )side and Oxidations go on the (2) side.
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(1)left (2)right
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What are the postulates of kinetic energy?
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(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
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What is the differ btwn flexion and extension?
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(1)flexions- is a decrease in the angle btwn articulating bones (2)extension-is a increase in the angle btwn artictulting bones
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What is the differ btwn dorsiflexion and plantar flexion?
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(1)dorsiflexion-is the lifting of the foot so that its superior surface appears (2)plantar flexion- is the depressing of the foot
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