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A 30.0 L cylinder containing helium gas ata pressure of 47.5 atm is used to fill a weather balloon in order to lift equipment into the stratosphere. What is the final pressure (in atm) in the cylinder after a 190 L balloon is filled to a pressure of 1.10 atm. Hint is given in the feedback. Answer: Not yet answered Marked out of 1.00 Flag question The reaction of magnesium metal with HCl yields hydrogen gas and magnesium chloride. What is the volume, in liters, of the gas formed at 755 torr and 17 C from 2.69 g of Mg in excess HCI? (Hint, first write the balanced equation.)
A 30.0 L cylinder containing helium gas ata pressure of 47.5 atm is used to fill a weather balloon in order to lift equipment into the stratosphere. What is the final pressure (in atm) in the cylinder after a 190 L balloon is filled to a pressure of 1.10 atm. Hint is given in the feedback. Answer: Not yet answered Marked out of 1.00 Flag question The reaction of magnesium metal with HCl yields hydrogen gas and magnesium chloride. What is the volume, in liters, of the gas formed at 755 torr and 17 C from 2.69 g of Mg in excess HCI? (Hint, first write the balanced equation.)
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Collen VonLv2
10 Jan 2019
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