On chemical reactions
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each of the black spaces below before clicking
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| Physical Properties | Characteristics that are observed or measured w/o changing composition
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| Extensive Property | Phys. prop. that is dep. upon the amount or substances present(volume, mass, length)
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| Intensive Property | Phys. Prop indep. upon amount present(density,melt. pt., boil pt.)
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| Physical Change | Change in substance resulting in dif. appear. but not in chem comp.(breaking a crystal)
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| Chem Change/Reaction | process that involves 1 or more substances changing into new subs(words that describe, decay,grow ripen)
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| What does chem reaction involve? | rearrangement of atoms
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| Reactants | starting substances on the left of equation
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| Products | Subs formed during reaction on right of equation
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| Law of conservation and matter | in chem reaction atoms are neither created nor desroyed
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| Synthesis Reaction | involves 2 or more subs reacting to form a single compound
A+B-->AB
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| Decomposition Reaction | reverse of synth reaction; reaction in which a compound breaks down into 2 or more subs
ex:
AB-->A+B
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| Combustion Reaction | when sub reacts w/ Oxygen to produce energy in the form of heat and light
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| Single Replacement/Displacement | reaction where one element takes the place of another element in a compound
ex:
AX+BX-->AX+B
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| Double Replacement Reaction | is an exchange of ions between 2 compound which produces a precipitate(solid produced during reaction) a gas or water
ex:
AX+BY-->AY+BX
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| Precipitation Reaction | formation of a solid
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| Dissociate/Seperate | When an ionic compound dissolves in water and move around indep. making a solution a good conductor if electric
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| Strong electrolyte | sub that dissolves in h20 by dissociating completely into ins
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| Soluble Solid | readily dissolves in water
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| Insoluble Solid | slightly dissolves into water to a very insignificant degree
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| Molecular Equations | show complete undisociated forms of all reactants and products
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| Complete ionic equation | denotes all strong electrolytes as ions
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| spectator ions | ions that don't participate in a reaction; are not present
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| Acid | tastes sour- fruit
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| Base | Slippery- soap
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| Arrhenius Acid | produces H+ ions (protons) when dissolved in water
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| Arrhenius Base | sub that pro hydroxide ions(OH-) when dissolves in H2O
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| What do acid-base reactions form? | Water
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| Reducing Agent/ Oxidizing Agent | OA- sub that's reduced
RA-sub that is oxidized
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| Oxidation Number method | technique for balancing red-ox equations based on total increase in oxidation numbers resulting from oxidation must = the total decrease in oxidation numbers resulting from reduction
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Created by:
Lily J
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