Flashcards in Vocab Words Deck (24):
Heats of solution
Heat absorbed when 1 mole of a solute is dissolved in a definite quantity of a pure solvent.
Visual representation illustrating how one variable changes with another variable , or it is a to used to illustrate the relationship between two variables.
Two straight lines if they have identical slopes.
Held together by intermolecular forces, no regular shape, rapid motion, posses KE.
Temperature at which vapor pressure of a liquid equals the atmospheric pressure.
Later heat of vaporization
Heat absorbed when a liquid vaporizes at normal boiling point.
Latent heat of fusion
Heat absorbed when a liquid vaporizes at normal boiling point
Heat of fusion
Heat required to increase the inter atomic or intermolecular distances in the crystal allowing melting.
Equilibrium of saturation solubility.
Maximum amount of a solute or drug that is present in the solution form per unit volume of a solvent at a constant temp and pressure.
When the rate of transfer of a solid in to the solvent and a rate deposition of a solute molecule from the solvent on to the solid crystal become equal.
Maximum among of a solute present in a solution form per unit volume of a solvent at constant temp and pressure following the attainment of equilibrium constant.
Rate of vaporization and rate of condensation become equal at a definite temperate, become saturated,
Equilibrium vapor pressure
Pressure of saturated vapor above liquid.
Solubility of a substance
Quantity that will dissolve in a specified quantity of solvent to form a saturated solution at given temperature.
Drug molecules in a solution are in equilibrium w/ excess of solute in a solution.
Solution containing more of the dissolved solute than it would normally contain at a definite temperature.
Molarity of molar solution
Moles of a solute present in 1000 grams of solvent.
Ratio of moles of one constituent of a solution to tot moles of all other constituents.
Normality at normal solution
Gram equivalent weight of a solute in 1 liter of solution.
Molarity of molal solution
Moles of solute present in 1000 grams of solvent.
Substance crystallizing in more than one crystal form.
Changing from one polymorph to another is reversible by varying temperature or pressure.
Changing from one form to another In the same direction.