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am i missing something here?

AM4EVA

Full Member
7+ Year Member
Nov 17, 2009
132
0
151
ran across a couple of this type of question. at first i thought they made an error but since they repeated the solution the same way i guess im the one that has made the error.


At constant atmospheric pressure, 5.0L of nitrogen gas is heated from 127°C to 227°C. What is the volume of the gas at the new temperature?

so i set up T1 as 400K and T2 as 500K thus my eqn would be :

V2= (5.0L) (400K)/500K

But they have the answer choice come out to be 6.3 L bcuz their eqn is:

V2=(5.0 L)(500 K)400 K=6.3 L.
but why is their T2 400K? Idont get it:confused::confused::confused:

please help me, kind, gracious, merciful sdn community
 
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