CALORIMETER

• WHAT ARE THE MAIN FEATURES OF A SIMPLE CALORIMETER?

  • spirit burner
  • clamp
  • beaker
  • thermometer
• FEATURES USED ON A SIMPLE CALORIMETER TO REDUCE HEAT LOSS?

  • lid
  • mineral wool (around beaker)
  • draught screen
• WHAT GOES IN THE BEAKER IN A SIMPLE CALORIMETER?

  known mass of water
• WHAT IS AN ASSUMPTION MADE WHEN USING A SIMPLE CALORIMETER?

  all heat from fuel goes into water
• WHAT IS A SIMPLE CALORIMETER USED FOR?

  to compare enthalpy changes of combustion of similar compounds
• WHAT IS A FLAME CALORIMETER?

  improved version of simple calorimeters
• FEATURES TO REDUCE HEAT LOSS ON A FLAME CALORIMETER?

  • spiral chimney made of copper
  • enclosed flame
  • fuel burns in pure oxygen