1. Calculate the amount of heat required to raise the temperature of 7.25g of liquid water from 22.7oC to 29.2oC.
  2. Calculate the amount of heat required to evaporate 5.20g of liquid water
  3. Calculate the amount of heat to be released when 6.50g of water vapor condenses.
  4. What phenomenon is responsible for the maximum temperature at the boundary of the stratosphere and the atmosphere?
  5. What function does a third body serve in an atmospheric chemical reaction?
  6. Why does the lower boundary of the ionosphere lift at night?

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