Ch 9 Energy, Enthalpy, and Thermochemistry
Ch 9 Energy, Enthalpy, and Thermochemistry
Ch 9 Energy, Enthalpy, and Thermochemistry
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On the other h<strong>and</strong>, when a gas is heated at constantpressure, the volume changes & work occurs :“heat” required = q P = nC P ΔT= n(C V + R)ΔT= nC V ΔT + nRΔT- ΔE - PΔV = work required(E for an ideal gas depends only on T )Copyright©2000 by HoughtonMifflin Company. All rights reserved.35