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24 Cards in this Set

  • Front
  • Back
the binding together of like molecules, often by hydrogen bonds
the clinging of one substance to another
surface tension
a measure of how difficult it is to strech or break the surface of a liquid
kinetic energy
the energy of motion
the measure of the total quatity of kinetic energy due to molecular motion in a body of matter
measures the intensity of heat due to the average kinetic energy of the molecules
a unit of heat; the amount of heat it takes to raise the temperature of 1 g of water by 1 degree C
specific heat
the amount of heat that must be absorbed or lost for 1 g of water to change its temperature by 1 degree C
heat of vaporization
the quantitiy of heat a liquid must absorb for 1 g of it to be converted from liquid to gas
a liquid that is a completely homogeneous mixture of two or more substances
the dissolving agent of a solution
the substance that is dissolved
aqueous solution
solution in which water is the solvent
"water-loving"; having an affinity for water
"water-fearing"; having an aversion to water; tending to coalese and form droplets of water
equal in number to the molecular weight of a substance, but upscaled from daltons to units of grams
molecular weight
the sum of the weights of all the atoms in a molecule
hydrogen ion
a single proton with a charge of +1
hydroxide ion
OH- ; molecule that loses a proton; charge of -1
substance that increases the H+ concentration of a solution
a substance that reduces the hydrogen ion concentration in a solution
pH scale
a measure of hydrogen ion concentation equal to -log[H+] and ranging in value from 0 to 14
substances that minimize changes in the concentrations of H+ and OH- in a solution
acid precipitation
rain, fog, or snow that is more acidic than pH 5.6