Transcription of CHAPTER 10: ANSWERS TO ASSIGNED PROBLEMS
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CHAPTER 10: ANSWERS TO ASSIGNED PROBLEMS
1 CHAPTER 10: ANSWERS TO ASSIGNED PROBLEMS Hauser- General chemistry I revised 8/03/08 The typical atmospheric pressure on top of Mt. Everest (29028 ft) is about 265 torr. Convert this pressure to (a) atm 265 torr ( 1 atm / 760 torr) = atm (b) mm Hg 265 torr ( 760 mm Hg / 760 torr) = 265 mm Hg A scuba divers tank contains kg of O2 compressed into a volume of L. (a) Calculate the gas pressure inside the tank at 9 C. PV = nRT so P = nRT / V convert kg to 290 g O2 convert 9 C to K [9 C + = K ] (do not pre-round) 290 g O2 ( 1 mol O2 / g ) ( L atm / mol K) ( K) P = ---------------------------------------- ---------------------------------------- ----- = 91 atm L ( 2 SF) Chlorine is widely used to purify municipal water supplies and to treat swimming pool waters.
CHAPTER 10: ANSWERS TO ASSIGNED PROBLEMS Hauser- General Chemistry I revised 8/03/08 10.19 The typical atmospheric pressure on top of Mt. Everest (29028 ft) is about 265 torr. Convert this pressure to (a) atm 265 torr ( 1 atm / 760 torr) = 0.349 atm (b) mm Hg 265 torr ( 760 mm Hg / 760 torr) = 265 mm Hg
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