Chapter 10 - Temperature and Kinetic Theory - Learning Path Questions and Exercises - Exercises - Page 383: 17

a). $K=0.555F+255.2$ b). $300K$ is lower.

a). $K=C+273$ Also, $F=1.8C+32=1.8(K-273)+32=1.8K-459.4$ Therefore, $K=0.555F+255.2$ b). When $F=300$ then, $K=0.555\times300+255.2=421.7$ which is greater than $300K$ So, $300K$ is lower.