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5 Written questions

5 Matching questions

  1. Heat of Vaporization
  2. Kilocalorie
  3. Temperature
  4. Cohesion
  5. Acid Precipitation
  1. a A measurement of the intensity of heat- the average kinetic energy- of a group of molecules
  2. b The amount of heat required to raise the temperature of 1kg of water by 1ºC (1000 cal)
  3. c The quantity of heat that 1g of a liquid must absorb in order to be converted from to a gaseous state.
  4. d The phenomena caused by hydrogen bonding wherein molecules of the same type are held together
  5. e Rain/snow/fog with a pH lower than pH 5.6

5 Multiple choice questions

  1. The clinging of a substance to another; caused by hydrogen bonding
  2. A water molecule lacking an individual proton (OH-)
  3. A substance that increases the hydrogen ion concentration of a solution (H+ Donor)
  4. A sphere of water molecules surrounding individual ions of a salt crystal or charged atoms of a polar molecule in order to dissolve it.
  5. Water-loving

5 True/False questions

  1. Polar MoleculeA molecule whose opposite ends posses opposite charges


  2. Evaporative CoolingThe transformation from a liquid to a gas


  3. MolarityThe number of moles of solute per liter of solution


  4. BufferA substance that reduces the hydrogen ion concentration of a solution (H+ Acceptor)


  5. ColloidA stable suspension of fine particles in a liquid


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