若某物质在蒸发时液体体积可以忽略，气体可以视为理想气体，描述其温度与饱和蒸气压关系正确的式子是（ ）。A. (d p^*)/(d T) = (Delta_({m)} H_({m)})/(R T^2)B. (d ln p^* )/(d T) = (Delta_({m)} H_({m)})/(R T)C. (d ln p^* )/(d T) = (Delta_({m)} H_({m)})/(R T^2)

A. $\frac{d p^*}{d T} = \frac{\Delta_{\text{m}} H_{\text{m}}}{R T^2}$

B. $\frac{d \ln \{ p^* \}}{d T} = \frac{\Delta_{\text{m}} H_{\text{m}}}{R T}$

C. $\frac{d \ln \{ p^* \}}{d T} = \frac{\Delta_{\text{m}} H_{\text{m}}}{R T^2}$