Physics - Heat & Thermo Question with Solution | TestHub

$100\mathrm{K}=-173.15^{\circ }\mathrm{C}$. Also $C=\frac{5}{9}(-13-32)=-25^{\circ }C$. Comparing $-173.15,-25,-20$ and $-23^{\circ }\mathrm{C}$, the highest is -20°C, C.