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Chem Semester Test
From Gas Laws On ------>
Term | Definition |
---|---|
Barometer | A device that measures atmospheric pressure |
What does atmospheric pressure result from? | The weight of the air. |
1 atm = how many mm Hg? | 760 mm Hg |
760 mm Hg = how many torrs? | 760 |
Boyle's Law | P1V1 = P2V2 |
Boyle's Law deals with? | Pressure and volume |
P = | atm |
V = | Liters |
Charles's Law deals with? | Volume and Temperature |
Charles's Law | V1/T1 = V2/T2 |
T = | K (temperature) |
Avagadro's Law deals with? | Volume and moles |
Avagadro's Law | The same as Charles's Law |
Ideal Gas Law | PV=nRT |
Kinetic Molecular Theory | Explains the behavior of an ideal gas. |
At 1atm pressure, water boils at | 100C |
At 1atm pressure, water freezes at | 0C |
Intramolecular Forces | The bonding forces that hold the atoms of a molecule together. |
Intermolecular Forces | The forces that occur among molecules that cause them to aggregate to form a solid or a liquid. |
Molar Heat of Fusion | The energy required to melt 1 mole of a substance is - |
Molar Heat of Vaporization | The energy required to change 1 mole of liquid to its vapor - |
Dipole-Dipole Attraction | When molecules can attract each other by lining up so that the positive and negative ends are close to each other. |
Hydrogen Bonding | When strong dipole-dipole forces occur between molecules in which hydrogen is bound to a highly electronegative atom. |
London Dispersion Forces | The forces that exist among noble gas atoms and nonpolar molecules. |
Molarity | Describes the amount of solute in moles and the volume of the solution in liters. |
Dilution | The process of adding more solvent to a solution. |