Question

the freezing point of water is ____________ above absolute zero.
□ 212 kelvin
□ 0 degrees rankine
■ 273.15 kelvin
□ 32 degrees fahrenheit
□ 459.67 fahrenheit
□ 491.67 degrees rankine
□ 0 degrees celsius
□ 273.15 degrees celsius

Explanation:

Step1: Recall temperature scales

The freezing - point of water is 0 degrees Celsius. Absolute zero is 0 Kelvin.

Step2: Convert Celsius to Kelvin

The conversion formula from Celsius ($T_C$) to Kelvin ($T_K$) is $T_K=T_C + 273.15$. When $T_C = 0$, $T_K=0 + 273.15=273.15$ Kelvin.

Answer:

273.15 Kelvin