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Modules 8-13
Review flashcards for modules 8-13.
45
Chemistry
11th Grade
05/24/2013

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Term
Ideal Gases
Definition
-Molecules are in constant random motion with no attractions
-Molecules have elastic collisions
-Avg kinetic energy is directly proportional to the absolute temperature
-Molecules have an insignificant volume
Term
Variables of Gas
Definition
1. Volume-in Liters
2. Pressure-in atm,kPa,mmHg,torr,PSI
3. Temperature-in Kelvin
4. Amount-moles(possibly mass or density)
Term
Standard Temperature and Pressure (STP)
Definition
-Pressure-1atm=101.325kPa=760mmHg=760torr
-Temperature-0C=273K
Term
Volume and Pressure
Definition
Inversely proportional. P1V1=P2V2
Term
Volume and Temperature
Definition
Direct relationship. V1T2=V2T1
Term
Pressure and Temperature
Definition
Directly Proportional. P1T2=P2T1
Term
Combined Gas Law
Definition
Combines all previous gas laws. P1V1T2=P2V2T1
Term
Avogadro's Law
Definition
The volume of a gas(V) is directly proportional to the amount of a gas(n) at a constant temperature and pressure. V1/n1=V2/n2
Term
Ideal Gas Law
Definition
Combination of all gas laws. PV=nRT
Term
Vapor Pressure
Definition
Pressure exerted by a vapor, or gas, in equilibrium with its solid or liquid phase. Increases with temperature.
Term
Dalton's Law of Partial Pressure
Definition
When two or more gases are present, the total pressure is the sum of the partial pressures of the gases. Pt=P1+P2+P3...
Term
Solute
Definition
Substance to be dissolved
Term
Solvent
Definition
Substance doing the dissolving
Term
Miscible
Definition
Liquid will dissolve in another liquid
Term
Immiscible
Definition
Liquid will not dissolve in another liquid
Term
Concentrated
Definition
Relatively large amount of solute in a given amount of solvent.
Term
Dilute
Definition
Small amount of solute in a given amount of solvent.
Term
Insoluble
Definition
Doesn't dissolve in solvent
Term
Soluble
Definition
Able to dissolve in solvent
Term
Solvation
Definition
Process by which the solvent surrounds the solute particles.
Term
Saturated Solution
Definition
No more solute can be added. Has reached equilibrium.
Term
Unsaturated Solution
Definition
More solute can be added.
Term
Supersaturated Solution
Definition
Amount of solute exceeds the limit.
Term
Solution Equilibrium
Definition
Dissolution and crystallization occur at the same rate.
Term
Electrolyte
Definition
Ionic solutes dissolved in polar solvents. Able to conduct electricity.
Term
Nonelectrolyte
Definition
Molecular solutes dissolved in solvents. Unable to conduct electricity.
Term
Solubility
Definition
Maximum amount of solute that can dissolve in 100g of a solvent at a given temperature.
Term
Factors Affecting Solubility
Definition
-Nature of the solute
-Nature of the solvent
-Temperature
Term
Factors Affecting Rate of Dissolution
Definition
-Agitation
-Increase in temperature
-Increase in surface area
Term
Concentration
Definition
Amount of solute in a solvent
Term
Molarity
Definition
Unit of concentration that compares moles of solute against liters of solution. M1V1=M2V2
Term
Colligative Properties
Definition
Don't depend on identity, but on number of particles
Term
Boiling Point Elevation (BPE)
Definition
Addition of solute raises boiling point
Term
Freezing Point Depression (FPD)
Definition
Addition of solute lowers freezing point
Term
Molality
Definition
moles of solute/kg of solvent
Term
ΔFP
Definition
mKfi
Term
ΔBP
Definition
mKbi-
Term
Acid
Definition
-Hydrogen or Hydronium
-Sour
-Sting
-Weak to strong electrolytes
-React with metals to form H2
-Litmus-red
-Phenolphthalein-clear
-pH less than 7
Term
Base
Definition
-Hydroxide ion
-Bitter
-Slippery,slimy
-Weak to strong electrolytes
-No reaction with metals
-Litmus-blue
-Phenolphthalein-pink
-pH greater than 7
Term
Arrhenius Acid
Definition
-Produce H+ in solution
-Generally at front of formula
Term
Arrhenius Base
Definition
-Produce OH- in solution
Term
Bronsted-Lowry Theory
Definition
-Acid-H+ donor
-Base-H+ acceptor
-Conjugate base pairs
Term
Lewis Theory
Definition
-More general than other theories
-Acid-electron pair acceptor
-Base-electron pair donor
Term
pH
Definition
-Parts hydronium
-pH=-log[H3O]
Term
pOH
Definition
-Parts hydroxide
-pOH=-log[OH-]
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