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> 6<br />
C<strong>on</strong>sider the p-V diagram below in which the system evolves from a → b<br />
→ c. What is the net heat transferred into the system, Q?<br />
p (Nm –2 )<br />
10 5<br />
5 ×10 4<br />
a<br />
1<br />
T 0<br />
2<br />
b<br />
c<br />
V (m 3 )<br />
a) –5.0 ×10 4 J<br />
b) 5.0 ×10 4 J<br />
c) –10 5 J<br />
d) 10 5 J<br />
e) Not enough informati<strong>on</strong> to tell<br />
Q = ΔE int + W = 0 + 10 5 J<br />
first law of thermodynamics: ΔE int = Q – W ( = nC V ΔT )<br />
ideal gas law: pV = nRT<br />
PHYS 1101, Winter 2009, Prof. Clarke 15