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of 32 available terms

5 Written Questions

5 Matching Questions

  1. law of conservation of mass
  2. mixture
  3. law of conservation of energy
  4. compound
  5. density
  1. a Mass is neither destroyed nor created during ordinary chemical reactions or physical changes
  2. b the amount of mass in a given volume
  3. c a substance formed by the chemical combination of two or more elements in definite proportions
  4. d the law that states that energy cannot be created or destroyed but can be changed from one form to another
  5. e A combination of two or more substances that are not chemically combined

5 Multiple Choice Questions

  1. energy stored due to an object's position or arrangement
  2. a device used to measure the heat absorbed or released in a chemical or physical change
  3. a measure of the average kinetic energy of the particles in a sample of matter
  4. the SI unit of energy
  5. A measure of force with which gravity pulls a body toward the center of the earth;

5 True/False Questions

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


  2. heterogeneousnot uniform throughout


  3. heat of fusionthe amount of energy required to change 1 g of a solid to a liquid


  4. energycapacity to do work or cause change


  5. physical constantone in which the form or appearance of matter changes, but not its composition


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