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of 32 available terms

5 Written Questions

5 Matching Questions

  1. mass
  2. compound
  3. phase
  4. heat of vaporization
  5. endothermic reaction
  1. a A reaction that ABSORBS energy in the form of heat
  2. b The quantity of matter contained in a body; measured in grams
  3. c a substance formed by the chemical combination of two or more elements in definite proportions
  4. d any part of a system with uniform composition and properties; a state
  5. e the amount of heat energy required to convert one gram of a substance from a liquid to a gas

5 Multiple Choice Questions

  1. energy stored due to an object's position or arrangement
  2. Mass is neither destroyed nor created during ordinary chemical reactions or physical changes
  3. a device used to measure the heat absorbed or released in a chemical or physical change
  4. not uniform throughout
  5. amount of energy needed to raise the temperature of 1 gram of water by 1 degree Celsius

5 True/False Questions

  1. energycapacity to do work or cause change

          

  2. physical constantproperties of pure substances that can be measured and expressed numerically; fp, mp, d, etc.

          

  3. mattersmallest particle of an element

          

  4. chemical propertiesa quality or condition of a substance that can be observed or measured without changing the substance's composition

          

  5. heatsmallest particle of an element

          

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