Question 17(Multiple Choice Worth 5 points) (03.01 LC)
Which of these is a characteristic of cool air?
It rises through the lower atmosphere.
It is found close to Earth's surface.
It sinks due to convection.
It moves through radiation.

For a solution of ethanol and water at 20°c that has 0.2 mole fraction ethanol, the partial molar volume of water is 17.9 cc/mole and the partial molar volume of ethanol is 55.0 cc/mole. what volumes of pure ethanol and water are required to make 1 liter of this solution? at 20°c the density of ethanol is 0.789 g/cc and the density of water is 0.998 g/cc.