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Unformatted text preview: The helium in a 1.5 L flask at 298K exerts a pressure of .5atm. How many moles of helium are there in the flask? 7. The balloon used by Charles in his historic flight in 1783 was filled with 1300 moles of H2. If the temp of the gass was 20 C, and its pressure was .95atm, what was the volume of the balloon? 8. What is the resulting volume if 10L of a gas at 546K and 2 atm is brought to 273K and 1 atm? 9. What is the resulting pressure of a 10L of gas at 546 K and 2 atm is brought to 2 L and 273 K? 10. What is the resulting temperature if 10 L of gas at 546 K and 2 atm is brought to 2L and 3 atm?...
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