Isothermal process on p-V, T-V, and p-T diagrams
Isothermal process on p-V, T-V, and p-T diagrams
Isothermal process on p-V, T-V, and p-T diagrams
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Clicker questi<strong>on</strong> 3<br />
C<strong>on</strong>sider the p-V diagram below in which the system evolves from a → b<br />
→ c. What is V c , the volume at state c?<br />
p (Nm –2 )<br />
10 5<br />
5 ×10 4<br />
a<br />
1<br />
T 0<br />
V c<br />
b<br />
c<br />
V (m 3 )<br />
a) 0.5 m 3<br />
b) 2.0 m 3<br />
c) 4.0 m 3<br />
d) 8.0 m 3<br />
e) Not enough informati<strong>on</strong> to tell<br />
pcVc = paVa ⇒ Vc = Va = 2 m3 pa pc first law of thermodynamics: ΔE int = Q – W ( = nC V ΔT )<br />
ideal gas law: pV = nRT<br />
PHYS 1101, Winter 2009, Prof. Clarke 9
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