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5 Written Questions

5 Matching Questions

  1. Hydrophilic
  2. Cohesion
  3. Evaporative Cooling
  4. Heat of Vaporization
  5. Hydration Shell
  1. a The phenomena caused by hydrogen bonding wherein molecules of the same type are held together
  2. b The quantity of heat that 1g of a liquid must absorb in order to be converted from to a gaseous state.
  3. c Water-loving
  4. d 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. e The cooling of the surface of a liquid during evaporation due to the primary vaporization of molecules with higher levels of kinetic energy (heat).

5 Multiple Choice Questions

  1. The amount of heat required to raise the temperature of 1kg of water by 1ÂșC (1000 cal)
  2. A measurement of the intensity of heat- the average kinetic energy- of a group of molecules
  3. A liquid that is a completely homogenous mixture of two or more substances
  4. The solid form of water; floats on liquid water due to the expansion and crystallization of its component molecules.
  5. The clinging of a substance to another; caused by hydrogen bonding

5 True/False Questions

  1. Polar MoleculeA molecule whose opposite ends posses opposite charges

          

  2. Hydrogen IonAn individual proton (H+)

          

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

          

  4. SoluteA liquid that is a completely homogenous mixture of two or more substances

          

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

          

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