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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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chemchic chemchic
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7 years ago
A sample of nitrogen gas occupies a volume of 1652 ml at 30.0 C and 820 mmHg. What volume will the nitrogen gas occupy at 0 C and 1 atm of pressure?
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#1
Subject Expert
7 years ago
Hi,

For these type of problems, you can just do a ratio:   P1*V1/(P2*V2) = n1RT1/(n2RT2), then cross out whatever does not change Rightwards Arrow P1*V1/(P2*V2) = T1/T2
820 mmHg = 0.9535 atm
Let's say 1.652ml, 30C and 0.9535 is condition 1
0.9535*1.652/(1*V2) = (30+273.15)/(273.15)
Rightwards Arrow V = 1.42 L

Hope this helps,
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