Evaporation vs Boiling Quiz
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Questions and Answers

What is the main difference between evaporation and boiling?

  • Boiling results in the liquid remaining at the same temperature, while evaporation changes the temperature.
  • Boiling requires a higher temperature than evaporation.
  • Evaporation occurs at the surface, while boiling occurs throughout the liquid. (correct)
  • Evaporation can only occur at the boiling point of the liquid.
  • Why does a drop of rubbing alcohol evaporate faster on your hand than on the table?

  • The hand provides more air particles to collide with the surface of the alcohol, providing more energy for the molecules to escape.
  • The hand is more porous than the table, allowing the alcohol vapor to escape more easily.
  • The hand has a lower surface tension than the table, allowing the alcohol to spread out more and evaporate faster.
  • The hand is warmer than the table, so the molecules on the hand have more energy to escape. (correct)
  • What is the boiling point of a substance?

  • The temperature at which molecules throughout the liquid can change to the gaseous state. (correct)
  • The temperature at which the liquid and gas phases of the substance are in equilibrium.
  • The temperature at which molecules at the surface of the liquid can enter the gaseous state.
  • The temperature at which the liquid stops evaporating and begins boiling.
  • What happens to the temperature of a liquid during boiling?

    <p>The temperature remains constant until all the liquid has turned into a gas.</p> Signup and view all the answers

    Which of the following is a correct statement about the energy required for evaporation and boiling?

    <p>The energy required for evaporation and boiling depends on the specific substance.</p> Signup and view all the answers

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