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PLEASE HELP ASAP!!! How many moles of helium are needed to fill a balloon to a volume of 4.9 at 296°K and 0.78 atm?

User Brian Zell
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Answer:

this may help

Step-by-step explanation:

pressure, volume, temperature, and the number of moles, it was clear that a single. atm of pressure within safety limits, how much gas can it safely carry at room. 0.21 atm. Ar has a partial pressure of 0.01 atm. PN2 .78 atm 0.78 moles nN2.

User Daniel Hill
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