Test Questions on Chemistry – Chemistry – Flashcards

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Chap 12- Limiting Reactants (LR)
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limit the amount of product produced
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Chap 12- Stoichiometry
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the study of the measure of the amount of its substances that are involved in reactions
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Chap 12- Excess (E)
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extra reactant that does not get used
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Chap 12- Law of Conservation of Mas
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you cannot create or destroy matter, you cannot end with more
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Chap 12- Percent Yield
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[image]
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Chap 12- How to find Limiting Reactants
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Chap 12- Mole-Mole
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Chap 12- Mass-Mol
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[image]
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Chap 12- Mass-Mass
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[image]
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Chap 12- Mole-Mass
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Chap 12- Theoretical Yield
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[image]
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Chap 13- Solid
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a phase of matter that has a low compressibility, a high density, and a definite shape
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Chap 13- Liquid
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a phase of matter that has medium compressibility, a medium density, and takes the shape of it's container
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Chap 13- Gas
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a phase of matter which has high compressibility, low density, and no definite shape.
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Chap 13- Boiling Point
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the temperature were a substance boils
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Chap 13- Melting Point
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the temperature where a assistance melts into a liquid
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Chap 13- Phase Diagram (a.k.a But Crack Diagram)
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[image]
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Chap 13- Sublimation
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going from a sold phase straight to gas
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Chap 13- Triple Point
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the point where all three phases of matter are at equilibrium
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Chap 13- Graham's Law
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The lighter the gas, the faster it spreads
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Chap 13- Diffusion
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from high ---> low, rate depends on mass
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Chap 13- Law of Partial Pressure
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PT=P1+P2...
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Chap 13- Critical Point
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The highest temperature at which a substance can no longer exist as a liquid, only as a gas
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Chap 13- Freezing and Boiling Point Graph
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Chap 14- STP
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1atm,and 273k
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Chap 14- Particle Motion
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rapid, fast, elastic collisions, NO kinetic energy is lost
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Chap 14- Ideal Gas Law
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PV=nRT n=moles
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Chap 14- To find molar mass
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M= DRT/P M=molar mass
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Chap 14- Rule for dissolving
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Like dissolves like
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Chap 14- To find density
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D= MP/RT M= molar mass
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Chap 14- Combined Gas Law
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[image]
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Chap 14- Avagadro's Law
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Chap 14- Molar Volume
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The volume occupied by one mole of a substance- Mv
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Chap 15- Boiling Elevations and Freezing Point Depression
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The higher the concentration in the solution the higher the boiling point
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Chap 15- Colligative Properties
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Depend on the concentration of the solution
1. color
2. texture
3. smell/taste
4. electrolytes
5. boiling point/ melting point
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Chap 15- Dilute
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less concentrated
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Chap 15- Concentrated
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Very Concentrated
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Chap 15- Colloid
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heterogeneous, Tyndall effect, ex. fog
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Chap 15- Tyndall effect
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when light scatters molecules, like in Fog, or flour in bottle
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Chap 15- Molarity
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is concentration
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Chap 15- saturated
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it is at its capacity for matter it can hold
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Chap 15- unsaturated
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it has space to carry more matter
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Chap 15- Factors to inc. solubility
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1. stirring
2. heating
3. inc. surface area
4. concentrations
*catalyst
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Chap 15- Henry's Law
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Inc. Solubility= Inc. Pressure ex. soda
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Chap 15- solutions
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solute- smaller amount
solvent- bigger amount(water)
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Chap 15- solubility and temperature
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gases
inc. temp. = dec. solubility

solids
inc. temp.= inc. solubility
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Chap 15- supersaturated
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is holding more matter then normal
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Chap 15- Molarity
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M=n/L
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Chap 15- Molality
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m=n/kg
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Chap 19- Indicators
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Litmus paper, Phenolphthalein , Ph paper
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Chap 19- Phenolphthalein
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turns pink ONLY for BASES
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Chap 19- Litmus paper
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Blue->Red=Acid=BRA
Red->Blue=Base=RBB
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Chap 19- Ph
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hot colors are acid, cool colors are base, green is neutral.
1-14
1-6= acid
7= neutral
8-14= base
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Chap 19- Amphoteric
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Being both an acid and a base, like water H2O
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Chap 19- Lewis Acids and Bases
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Acids are H DONORS
Bases are H ACCEPTERS
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Chap 19- Conjugate Acid/Base
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related opposite
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Chap 19- Neutralization
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when an acid and a base are used to make water and a salt and the base and the acid are in equilibrium, when it is turned neutral.
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Chap 19- Titration
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a way to find concentration of an acid or base by neutralization it in a solution with a unknown concentration.    MAVA  =  MBVB
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Chap 19- Acid Properties
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sour, corrosive,is an electrolyte, covalent, ionizes, dehydrating agent, exists as an aqueous solution
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Chap 19- Base Proprties
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bitter, corrosive, slimy, is an electrolyte, ionic, dissolves, breaks up oil and fat, dehydrating agent
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Chap 19- To find the Ph or POH
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-log it to find the Ph, and -log to find the POH and subtract from 14. The number you log must be the Molarity (M)
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