April 20-25, 2015
molarity (m)
THE NUMBER OF MOLES OF SOLUTE DISSOLVED PER LITER OF SOLUTION
m=MOLES SOLUTE
LITERS SOLUTION
dilution FORMULA FOR MOLARITY
m1 X v1 = m2 X v2
April 13-17, 2015
SOLUTION
a homogeneous mixture.
SOLUTE
the dissolved particles in a solution
SOLVENT
the liquid in which a solute is dissolved to form a solution.
SOLUBILITY
the amount of substance that dissolves in a given quantity of solvent at a specific temperature and pressure to produce a saturated solution
SOLUBLE
able to be dissolved
INSOLUBLE
not able to be dissolved
MISCIBLE
liquids that will dissolve in each other
IMMISCIBLE
liquids that will not dissolve in each other
DISSOCIATION
The process by which the action of a solvent causes a molecule to split into simpler groups of atoms, or ions.
FACTORS THAT AFFECT SOLUBILITY
AGITATION
creates more collisions between solute and solvent
SURFACE AREA
more surface area allows for more collisions
TEMPERATURE
more solid solute will dissolve at a higher temperature. Increased temperature increases the speed of the particles and increases the collisions.
SATURATED SOLUTION
a solution containing the maximum amount of dissolved solute at a given temperature and pressure.
UNSATURATED SOLUTION
a solution containing less then the maximum amount of dissolved solute at a given temperature and pressure.
SUPERSATURATED SOLUTION
a solution that contains more solute then it can theoretically hold at a given temperature and pressure
CONCENTRATION
a measurement of the amount of solute that is dissolved in a given quantity of solvent
MOLARITY (m)
THE NUMBER OF MOLES OF SOLUTE DISSOLVED PER LITER OF SOLUTION
m=MOLES SOLUTE
LITERS SOLUTION
DILUTION FORMULA FOR MOLARITY
m1 X v1 = m2 X v2
SOLUBILITY CURVE
A graph showing the concentration of a substance in a solvent as a function of temperature.
April 30, 2014
students completed a molarity lab.
Molarity by dilution
M1 x v1 = m2 x v2
Factors that Affect Solubility
Agitation
creates more collisions between solute and solvent
Surface area
more surface area allows for more collisions
Temperature
more solid solute will dissolve at a higher temperature. Increased temperature increases the speed of the particles and increases the collisions.
Henry's Law
at a given temperature, the solubility(s) of a gas in a liquid is directly proportional to the pressure(P) above the liquid.
S1 = S2
P1 P2
April 22, 2014
Solution
a homogeneous mixture.
solute
the dissolved particles in a solution
solvent
the liquid in which a solute is dissolved to form a solution.
solubility
the amount of substance that dissolves in a given quantity of solvent at a specific temperature and pressure to produce a saturated solution
soluble
able to be dissolved
insoluble
not able to be dissolved
miscible
liquids that will dissolve in each other
immiscible
liquids that will not dissolve in each other
saturated solution
a solution containing the maximum amount of dissolved solute at a given temperature and pressure.
unsaturated solution
a solution containing less then the maximum amount of dissolved solute at a given temperature and pressure.
supersaturated solution
a solution that contains more solute then it can theoretically hold at a given temperature and pressure
concentration
a measurement of the amount of solute that is dissolved in a given quantity of solvent
percent by mass
% mass = mass solute x 10
mass solution
percent volume
% volume = volume solute x 100
volume solution
molarity (m)
THE NUMBER OF MOLES OF SOLUTE DISSOLVED PER LITER OF SOLUTION
m=MOLES SOLUTE
LITERS SOLUTION
dilution FORMULA FOR MOLARITY
m1 X v1 = m2 X v2
April 8,2014
quarterly exams
April 4, 2014
review for quarterly
April 2, 2014
Dalton's Law of Partial Pressure
at constant volume and temperature the total pressure of a mixture of gases is a sum of the partial pressure of each gas.
Pt = P1 + p2 + p3 ......
Graham's Law of Effusion
the rate of effusion of a gas is inversely proportional to the square root of it's molar mass
April 30, 2013
Blocks 1A,2A,4A
Colligative properties
physical properties of solutions that depend only on the number of dissolved particles.
Vapor pressure lowering
adding a solute to a solvent lowers the solvents vapor pressure.
Boiling point elevation
adding a solute to a solvent will raise the boiling point
Freezing point depression
adding a solute to a solvent will decrease the freezing point
Energy
the ability to do work or produce heat
Law of conservation of energy energy can neither be created or destroyed in ordinary chemical or physical processes.
Chemical potential energy
energy stored within the bonds of chemical compounds.
Heat (q)
energy that flows from a warmer substance to a cooler substance
calories (cal)
the quantity of heat that raises the temperature of one gram of water one degree celsius.
joule(j)
unit of energy. 4.18 jouls equal one calorie.
specific heat
the amount of heat needed to raise one gram of a specific substance by one degree celsius.
April 29, 2013
Blocks 1B,5B
Students completed a freezing point depression lab
Degrees of solubility
Unsaturated solution
a solution that contains less dissolved solute for a given temperature and pressure than can be dissolved.
Saturated solution
a solution that contains the maximum amount of dissolved solute for a given temperature and pressure.
Supersaturated solution
a solution that contains more than the maximum amount of dissolved solute for a given temperature and pressure.
The solubility of a gas decreases with increased temperature.
Henry's Law
at a given temperature, the solubility(s) of a gas in a liquid is directly proportional to the pressure(P) above the liquid.
S1 = S2
P1 P2
Colligative properties
physical properties of solutions that depend only on the number of dissolved particles.
Vapor pressure lowering
adding a solute to a solvent lowers the solvents vapor pressure.
Boiling point elevation
adding a solute to a solvent will raise the boiling point
Freezing point depression
adding a solute to a solvent will decrease the freezing point
Energy
the ability to do work or produce heat
Law of conservation of energy energy can neither be created or destroyed in ordinary chemical or physical processes.
Chemical potential energy
energy stored within the bonds of chemical compounds.
Heat (q)
energy that flows from a warmer substance to a cooler substance
calories (cal)
the quantity of heat that raises the temperature of one gram of water one degree celsius.
joule(j)
unit of energy. 4.18 jouls equal one calorie.
specific heat
the amount of heat needed to raise one gram of a specific substance by one degree celsius.
April 26, 2013
Blocks 1A,2A,4A
Students completed a freezing point depression lab
Degrees of solubility
Unsaturated solution
a solution that contains less dissolved solute for a given temperature and pressure than can be dissolved.
Saturated solution
a solution that contains the maximum amount of dissolved solute for a given temperature and pressure.
Supersaturated solution
a solution that contains more than the maximum amount of dissolved solute for a given temperature and pressure.
The solubility of a gas decreases with increased temperature.
Henry's Law
at a given temperature, the solubility(s) of a gas in a liquid is directly proportional to the pressure(P) above the liquid.
S1 = S2
P1 P2
Colligative properties
physical properties of solutions that depend only on the number of dissolved particles.
Vapor pressure lowering
adding a solute to a solvent lowers the solvents vapor pressure.
Boiling point elevation
adding a solute to a solvent will raise the boiling point
Freezing point depression
adding a solute to a solvent will decrease the freezing point
April 25,2013
Blocks 1B,5B
Diluting molar solutions
M1 x V1 = M2 x V2 = moles
animation of dissolving
Factors that Affect Solubility
Agitation
creates more collisions between solute and solvent
Surface area
more surface area allows for more collisions
Temperature
more solid solute will dissolve at a higher temperature. Increased temperature increases the speed of the paricles and increases the collisions.
Degrees of solubility
Unsaturated solution
a solution that contains less dissolved solute for a given temperature and pressure than can be dissolved.
Saturated solution
a solution that contains the maximum amount of dissolved solute for a given temperature and pressure.
Supersaturated solution
a solution that contains more than the maximum amount of dissolved solute for a given temperature and pressure.
The solubility of a gas decreases with increased temperature.
Henry's Law
at a given temperature, the solubility(s) of a gas in a liquid is directly proportional to the pressure(P) above the liquid.
S1 = S2
P1 P2
Colligative properties
physical properties of solutions that depend only on the number of dissolved particles.
Vapor pressure lowering
adding a solute to a solvent lowers the solvents vapor pressure.
Boiling point elevation
adding a solute to a solvent will raise the boiling point
Freezing point depression
adding a solute to a solvent will decrease the freezing point
April 24,2013
Blocks 1A,2A,4A
Diluting molar solutions
M1 x V1 = M2 x V2 = moles
animation of dissolving
Factors that Affect Solubility
Agitation
creates more collisions between solute and solvent
Surface area
more surface area allows for more collisions
Temperature
more solid solute will dissolve at a higher temperature. Increased temperature increases the speed of the paricles and increases the collisions.
Degrees of solubility
Unsaturated solution
a solution that contains less dissolved solute for a given temperature and pressure than can be dissolved.
Saturated solution
a solution that contains the maximum amount of dissolved solute for a given temperature and pressure.
Supersaturated solution
a solution that contains more than the maximum amount of dissolved solute for a given temperature and pressure.
The solubility of a gas decreases with increased temperature.
Henry's Law
at a given temperature, the solubility(s) of a gas in a liquid is directly proportional to the pressure(P) above the liquid.
S1 = S2
P1 P2
Colligative properties
physical properties of solutions that depend only on the number of dissolved particles.
Vapor pressure lowering
adding a solute to a solvent lowers the solvents vapor pressure.
Boiling point elevation
adding a solute to a solvent will raise the boiling point
Freezing point depression
adding a solute to a solvent will decrease the freezing point
April 23,2013
Blocks 1B,5B
Diluting molar solutions
M1 x V1 = M2 x V2 = moles
Students worked on a dilution worksheet then completed a dilution lab
animation of dissolving
Heat of Solution
the energy change that takes place during the formation of a solution
Factors that Affect Solubility
Agitation
creates more collisions between solute and solvent
Surface area
more surface area allows for more collisions
Temperature
more solid solute will dissolve at a higher temperature. Increased temperature increases the speed of the paricles and increases the collisions.
Degrees of solubility
Unsaturated solution
a solution that contains less dissolved solute for a given temperature and pressure than can be dissolved.
Saturated solution
a solution that contains the maximum amount of dissolved solute for a given temperature and pressure.
Supersaturated solution
a solution that contains more than the maximum amount of dissolved solute for a given temperature and pressure.
The solubility of a gas decreases with increased temperature.
Henry's Law
at a given temperature, the solubility(s) of a gas in a liquid is directly proportional to the pressure(P) above the liquid.
S1 = S2
P1 P2
Colligative properties
physical properties of solutions that depend only on the number of dissolved particles.
Vapor pressure lowering
adding a solute to a solvent lowers the solvents vapor pressure.
Boiling point elevation
adding a solute to a solvent will raise the boiling point
Freezing point depression
adding a solute to a solvent will decrease the freezing point
April 22,2013
Blocks 1A,2A,4A
Diluting molar solutions
M1 x V1 = M2 x V2 = moles
Students worked on a dilution worksheet then completed a dilution lab
animation of dissolving
Heat of Solution
the energy change that takes place during the formation of a solution
Factors that Affect Solubility
Agitation
creates more collisions between solute and solvent
Surface area
more surface area allows for more collisions
Temperature
more solid solute will dissolve at a higher temperature. Increased temperature increases the speed of the paricles and increases the collisions.
Degrees of solubility
Unsaturated solution
a solution that contains less dissolved solute for a given temperature and pressure than can be dissolved.
Saturated solution
a solution that contains the maximum amount of dissolved solute for a given temperature and pressure.
Supersaturated solution
a solution that contains more than the maximum amount of dissolved solute for a given temperature and pressure.
The solubility of a gas decreases with increased temperature.
Henry's Law
at a given temperature, the solubility(s) of a gas in a liquid is directly proportional to the pressure(P) above the liquid.
S1 = S2
P1 P2
Colligative properties
physical properties of solutions that depend only on the number of dissolved particles.
Vapor pressure lowering
adding a solute to a solvent lowers the solvents vapor pressure.
Boiling point elevation
adding a solute to a solvent will raise the boiling point
Freezing point depression
adding a solute to a solvent will decrease the freezing point
April 19,2013
Blocks 1B,5B
Students prepared solutions of assigned molarity in the lab.
Diluting molar solutions
M1 x V1 = M2 x V2 = moles
Students worked on a dilution worksheet then completed a dilution lab
April 18, 2013
Blocks 1A,2A,4A
Students prepared solutions of assigned molarity in the lab.
Diluting molar solutions
M1 x V1 = M2 x V2 = moles
April 17, 2013
Blocks 1B,5B
Students prepared solutions of assigned molarity in the lab.
Diluting molar solutions
M1 x V1 = M2 x V2 = moles
April 16, 2013
Blocks 1A,2A,4A
Mixture
a combination of two or more substances that are not chemically combined
Heterogeneous mixture
a mixture that is not uniform in composition. Its components are readily distinguishable
Homogeneous mixture
a mixture that is completely uniform in composition. Its components are not distinguishable.
Solution
a homogeneous mixture. It is
uniform throughout.
Colloid
a heterogeneous mixture in which suspended particles do not settle to the bottom
Suspension
a heterogeneous mixture in which suspended particles settle to the bottom
Tyndall effect
visable scattering of a beam of light by suspended particles
Solute
a substance that is dissolved in a solution
Solvent
a substance that dissolves a solute. The most plentiful substance in a solution.
A substance that dissolves in a solvent is said to be soluble.
Two liquids that are soluble in each other are said to be miscible.
A substance that does not dissolves in a solvent is said to be insoluble.
Two liquids that are not soluble in each other are said to be immiscible.
Concentration
how much solute is dissolved in a specific amount of solvent or solution
Percent by mass =
mass of solute X 100 mass of solution
Percent by volume =
volume of solute X 100
volume of solution
Molarity = moles of solute
liters of solution
Molality = moles of solute
kilograms solvent
Diluting molar solutions
M1 x V1 = M2 x V2 = moles
April 15, 2013
Blocks 1B,5B
Mixture
a combination of two or more substances that are not chemically combined
Heterogeneous mixture
a mixture that is not uniform in composition. Its components are readily distinguishable
Homogeneous mixture
a mixture that is completely uniform in composition. Its components are not distinguishable.
Solution
a homogeneous mixture. It is
uniform throughout.
Colloid
a heterogeneous mixture in which suspended particles do not settle to the bottom
Suspension
a heterogeneous mixture in which suspended particles settle to the bottom
Tyndall effect
visable scattering of a beam of light by suspended particles
Solute
a substance that is dissolved in a solution
Solvent
a substance that dissolves a solute. The most plentiful substance in a solution.
A substance that dissolves in a solvent is said to be soluble.
Two liquids that are soluble in each other are said to be miscible.
A substance that does not dissolves in a solvent is said to be insoluble.
Two liquids that are not soluble in each other are said to be immiscible.
Concentration
how much solute is dissolved in a specific amount of solvent or solution
Percent by mass =
mass of solute X 100 mass of solution
Percent by volume =
volume of solute X 100
volume of solution
Molarity = moles of solute
liters of solution
Molality = moles of solute
kilograms solvent
Diluting molar solutions
M1 x V1 = M2 x V2 = moles
April 12, 2013
Blocks 1A,2A,4A
Mr. Coppola was absent today.
Classwork was assigned by a substitute.
April 11, 2013
Blocks 1B,5B
Students took the final test of the marking period.
Mixture
a combination of two or more substances that are not chemically combined
Heterogeneous mixture
a mixture that is not uniform in composition. Its components are readily distinguishable
Homogeneous mixture
a mixture that is completely uniform in composition. Its components are not distinguishable.
Solution
a homogeneous mixture. It is
uniform throughout.
Colloid
a heterogeneous mixture in which suspended particles do not settle to the bottom
Suspension
a heterogeneous mixture in which suspended particles settle to the bottom
Tyndall effect
visable scattering of a beam of light by suspended particles
Solute
a substance that is dissolved in a solution
Solvent
a substance that dissolves a solute. The most plentiful substance in a solution.
A substance that dissolves in a solvent is said to be soluble.
Two liquids that are soluble in each other are said to be miscible.
A substance that does not dissolves in a solvent is said to be insoluble.
Two liquids that are not soluble in each other are said to be immiscible.
Concentration
how much solute is dissolved in a specific amount of solvent or solution
Percent by mass =
mass of solute X 100 mass of solution
Percent by volume =
volume of solute X 100
volume of solution
Molarity = moles of solute
liters of solution
Molality = moles of solute
kilograms solvent
Mole fraction =
moles of solute
moles solute + moles solvent
Diluting molar solutions
M1 x V1 = M2 x V2
April 10, 2013
Blocks 1A,2A,4A
Students took the final test of the marking period.
Mixture
a combination of two or more substances that are not chemically combined
Heterogeneous mixture
a mixture that is not uniform in composition. Its components are readily distinguishable
Homogeneous mixture
a mixture that is completely uniform in composition. Its components are not distinguishable.
Solution
a homogeneous mixture. It is
uniform throughout.
Colloid
a heterogeneous mixture in which suspended particles do not settle to the bottom
Suspension
a heterogeneous mixture in which suspended particles settle to the bottom
Tyndall effect
visable scattering of a beam of light by suspended particles
Solute
a substance that is dissolved in a solution
Solvent
a substance that dissolves a solute. The most plentiful substance in a solution.
A substance that dissolves in a solvent is said to be soluble.
Two liquids that are soluble in each other are said to be miscible.
A substance that does not dissolves in a solvent is said to be insoluble.
Two liquids that are not soluble in each other are said to be immiscible.
Concentration
how much solute is dissolved in a specific amount of solvent or solution
Percent by mass =
mass of solute X 100 mass of solution
Percent by volume =
volume of solute X 100
volume of solution
Molarity = moles of solute
liters of solution
Molality = moles of solute
kilograms solvent
Mole fraction =
moles of solute
moles solute + moles solvent
Diluting molar solutions
M1 x V1 = M2 x V2
April 9, 2013
Blocks 1B,5B
Students reviewed for the test.
Students then examined the results of the ideal gas lab and proved the molar volume of a gas with their results.
April 8, 2013
Blocks 1A,2A,4A
Students reviewed for the upcoming test with a test review sheet that can be downloaded below. Students then completed an ideal gas law lab.
gas_law_review_for_test.tst | |
File Size: | 6 kb |
File Type: | tst |