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5 Written questions

5 Matching questions

  1. Solution
  2. Calorie
  3. Evaporation/Vaporization
  4. Ice
  5. Heat
  1. a A measure of the total amount of kinetic energy- due to molecular motion- in a body of matter.
  2. b A liquid that is a completely homogenous mixture of two or more substances
  3. c The transformation from a liquid to a gas
  4. d The solid form of water; floats on liquid water due to the expansion and crystallization of its component molecules.
  5. e The amount of heat required to raise the temperature of 1g of water by 1ÂșC

5 Multiple choice questions

  1. The negative logarithm of the hydrogen ion concentration
  2. The quantity of heat that 1g of a liquid must absorb in order to be converted from to a gaseous state.
  3. Rain/snow/fog with a pH lower than pH 5.6
  4. 6.22 x 10^22 units of a substance
  5. The clinging of a substance to another; caused by hydrogen bonding

5 True/False questions

  1. HydrophobicWater-fearing

          

  2. BaseThe solid form of water; floats on liquid water due to the expansion and crystallization of its component molecules.

          

  3. Polar MoleculeA molecule whose opposite ends posses opposite charges

          

  4. Hydrogen IonA water molecule lacking an individual proton (OH-)

          

  5. Molecular MassThe number of moles of solute per liter of solution