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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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Subi08 Subi08
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9 years ago

If 77.0 mL of nitrogen gas is collected over water at 50 °C and 763 mm Hg, what is the volume of dry nitrogen gas at STP? The vapor pressure of water at 50 °C is 92.5mm Hg.
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wrote...
#1
Educator
9 years ago
Hi Subi,

What have you done so far?

I might be able to help if you show some work! Slight Smile
Subi08 Author
wrote...
#2
9 years ago
Quote from: bio_man (9 years ago)
Hi Subi,

What have you done so far?

I might be able to help if you show some work! Slight Smile
/quote]

I wish i could show you, but my paper is blank. i was hoping someone on here could work me through it:0
wrote...
#3
9 years ago
Using the Ideal Gas Law, you would find the volume of 1 mole of a gas at Standard Temperature and Pressure (STP).

STP = 1 atm of pressure and 273 K for temperature

P = 1 atm
V = Neutral Face
n = 1 mole
R = 0.0821 atm L/mol K
K = 273 K

PV=nRT
wrote...
#4
Educator
9 years ago
Upwards Arrow Not sure if that answers the question. The question has been answered here: [Solved] If 77.0 mL of nitrogen gas is collected over water at 50 °C and 763 mm Hg, what

But I warn you, no steps are given, just the correct answer.
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