Thermodynamics Question - Should be pretty easy

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SUMMARY

This discussion focuses on the relationship between pressure, volume, and temperature in thermodynamics, specifically under constant volume conditions. The user seeks to understand how changes in pressure affect temperature, referencing the ideal gas law (PV = nRT) and the derived relationship Tf/Ti = Pf/Pi. The conclusion is that if volume remains constant, the final temperature can be calculated using the ratio of final to initial pressures.

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Homework Statement



I'm trying to understand this concept of pressures and volumes changing and how it effects the temperature. Is my understanding correct so far?

If pressure is changing but volume is constant is

Final Temperature = Initial Temperature + (something) ?

If this is right so far, I'm stuck on coming up with the "something" value. If it is wrong, how can I determine this?

Thank you

Homework Equations


PV = NKT
(U2 - U1) = (1/2) * NKfT
 
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steve233 said:

Homework Statement



I'm trying to understand this concept of pressures and volumes changing and how it effects the temperature. Is my understanding correct so far?

If pressure is changing but volume is constant is

Final Temperature = Initial Temperature + (something) ?

If PV=nRT and V is constant then:

P/T = constant

So:

Pf/Tf = Pi/Ti

or:

Tf/Ti = Pf/Pi

AM
 

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