Final Vocab Test Questions – Flashcards

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Chemestry
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study of matter and changes
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Physical Property
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no change to substance material
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Chemical Property
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chemical change
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Physical Change
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no new chemical
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Chemical Change
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New chemical
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Homogeneous Mixture
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same composition not easly seperated
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Heterogenious Mixture
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not uniform, seperated
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Product
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the yeild
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Reactant
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substance at start
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Element
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cannot be broken down
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compound
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two or more elements
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state of matter
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phase at given point
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solid
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definate shape and volume
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liquid
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fixed volume, indefinate shape
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gas
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no definate shape or volume
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vapor
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gashous state, liquid or solid @ room temp
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phase
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uniform composition and properties
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sig fig
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digets known precisely
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SI units
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standard units
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kelvin
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SI for temp
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density
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d=m/v
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accuracy
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closeness to true value being mesured
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presicion
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closeness or reproducibility under same conditions
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conservation of mass
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matter not created or destroyed
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proton
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positive in nucleus
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neutron
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no charge in nucleus
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electron
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negetive charge no mass
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subatomic particle
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protron nutron electron
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nucleus
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center of atom
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atom
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smallest particle of element
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daltons atomic theory
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chemical change to atomic level
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rutherford theory
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structure of atom
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atomic number
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number of protons
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mass number
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amount of protons and nutrons
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atomic mass unit
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SI for atomic mass
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atomic mass
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average weight of all isitopes
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isoptope
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different weights because different # nutrons
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avogadros number
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6.02*10^23 particles in one mole
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valance electrons
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electron in highest enegry level
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aufbau principle
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electrons ocupy lowest level first
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hunds rule
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spread out electrons
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octet rule
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noble gas config = 8 valance
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group
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vertical columb
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period
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horisontal columb
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diatomic element
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element that has 2 atoms
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mendeleev
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increasing atomic mass
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metal
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good conductor of electricity
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nonmetal
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poor conductor of electricity
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transition metal
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highest occupied s sublevel and d sublevel
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metalloid
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prop of both metal and nonmetal
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ion
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group of atoms have positive or negative
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anion
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negative charge
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cation
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positive charge
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polyatomic ion
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group of atoms has + or -
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electonegativity
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attract electrons when in compound
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atomic radius
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1/2 distance from nuclei to nuclei  of same atom when joined
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octet rule
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gain or lose electrons to be noble gas
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valence electron
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highest enegry level in atom
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electron dot diagram
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structure with dots and lines
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lewis structure
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eleccyton dot diagram
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ionic bond
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opposite charge together
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covalent
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sharing electrons
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polar
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one side more charged
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non-polar
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equal charge throughout
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metallic bond
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holds metals tohether

floating valance electrons

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double bond
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tow atoms share two pairs of electrons
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structural formula
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skeleton structure
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intermolecular forces
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forces between molicules
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dipole dipole forces
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oppesetly charged polar molicules
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hydrogen bonding
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hydrogen bonds to electronegetive atom
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resonance
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electon dot strructuer that is equal
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vsepr theory
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shape of molicule ie bent line
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law of definite proportion
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mass of compounds always proportional
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balanced equation
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equal elements on both sides
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single replacement
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one element replaces element in compound
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double replacement
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two compounds
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synthesis
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new substance
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decomp reaction
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compound to two or more compounds
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combustion reaction
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reacts with oxygen
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precent composition
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precent by mass of each element in compound
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reactant
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start of reaction
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product
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produced
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mole
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6.02*10^23 particles of substance
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molar mass
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mass of one mole of element
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theoretical yeild
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amount that could form
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precent yeild
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acutual/theoretical
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ideal gas law
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PV=nRT
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boyles law
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PV=PV
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charles law
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P/T=P/T
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gay lussac law
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P/T=P/T
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combined gas law
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P1V1/T1=P2V2/T2
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molar volume
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22.4 L
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dalton law
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Pt=P1+P2
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kinetic molecular theory
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random, elastic, constant, insignificant mass
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pressure
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760torr=1atm=101.3KpA
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sublimation
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skip a stage of matter
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vaporization
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liquid to gas vapor
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condensation
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gas to liquid
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boiling point
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pressure of substance equals air pressure
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normal boling point
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pressure = STP

100 centigrade

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melting point
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0 celcius 32 ferenheight
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evaporation
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liquid to gas not in container
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phase diagram
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showing conditions for different phases
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vapor pressure
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gas above liquids pressure
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kinetic enegry
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motion
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potental enegry
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possible to occur
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electrolyte
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compound that can conduct electric current
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solution
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homogenious mixture
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solubility
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solute/solvent
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solute
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chemical dissolved
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solvent
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chemical doing dissolving
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molarity
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moles of solute/ litres of solution
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aqueous
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liquid state
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