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5 Written questions

5 Matching questions

  1. mass
  2. element
  3. calorimeter
  4. heat
  5. calorie
  1. a amount of energy needed to raise the temperature of 1 gram of water by 1 degree Celsius
  2. b a pure substance made of only one kind of atom
  3. c The quantity of matter contained in a body; measured in grams
  4. d a device used to measure the heat absorbed or released in a chemical or physical change
  5. e the total amount of kinetic energy due to molecular motion in a body of matter

5 Multiple choice questions

  1. not uniform throughout
  2. A combination of two or more substances that are not chemically combined
  3. the law that states that energy cannot be created or destroyed but can be changed from one form to another
  4. any substance; has mass and volume
  5. the SI unit of energy

5 True/False questions

  1. atomsmallest particle of an element

          

  2. law of conservation of massMass is neither destroyed nor created during ordinary chemical reactions or physical changes

          

  3. chemical propertiescharacteristic that cannot be observed without altering the substance

          

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

          

  5. heat of fusionthe amount of heat energy required to convert one gram of a substance from a liquid to a gas