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EXERCISE 18
EXERCISE 18 Astronomers decide to conduct further observations and studies of this minor planet mentioned in Exercise 17 above. (a) At the surface of this minor planet, the average temperature is 270 K and the atmospheric pressure is 0.1 Earth atmosphere. Could rivers or lakes of liquid Substance X exist on the surface of this planet? Explain your answer. (b) A space probe lands on the surface of this minor planet and collects 0.45 liter of atmosphere for further study. How many molecules of Substance X are collected? Use the temperature and pressure given in Part (a) above. |