Nθ−θice =Xθ−Xice Xsteam −Xice \frac{\mathrm{N}}{\theta-\theta_{\text {ice }}}=\frac{\mathrm{X}_{\theta}-\mathrm{X}_{\text {ice }}}{\mathrm{X}_{\text {steam }}-\mathrm{X}_{\text {ice }}}θ−θice N=Xsteam −Xice Xθ−Xice
θ−θice N^=Xθ−Xice Xsteam −Xice \frac{\theta-\theta_{\text {ice }}}{\hat{N}}=\frac{X_{\theta}-X_{\text {ice }}}{X_{\text {steam }}-X_{\text {ice }}}N^θ−θice =Xsteam −Xice Xθ−Xice
Nθ−θice =Xsteam −Xice X0−Xice \frac{\mathrm{N}}{\theta-\theta_{\text {ice }}}=\frac{X_{\text {steam }}-X_{\text {ice }}}{X_{0}-X_{\text {ice }}}θ−θice N=X0−Xice Xsteam −Xice
θ−θice N=Xsleam −Xiee Xθ−Xicrs \frac{\theta-\theta_{\text {ice }}}{N}=\frac{X_{\text {sleam }}-X_{\text {iee }}}{X_{\theta}-X_{\text {icrs }}}Nθ−θice =Xθ−Xicrs Xsleam −Xiee
