# Chapter 19 - Exercises and Problems - Page 351: 63

$W = CT_h - CT_{\infty}$

#### Work Step by Step

We know that $Q_h=CT_h$ and that $Q_c=CT_{\infty}$. Because work is equal to $Q_h$ minus $Q_c$, we substitute to find: $W = CT_h - CT_{\infty}$

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.