Question

Liquid nitrogen boils at –195.8°C. Express the boiling point of liquid nitrogen in kelvin

Answer 1

`\boxed {\boxed {\sf 77.35 \ K}}`

Step-by-step explanation:

The Celsius and Kelvin scales are used to measure the temperature of matter. Their scales and unit differences are the same (1 K increase = 1 °C increase), but they have different starting points.

So, the conversion is quite simple and only requires addition because of the different starting points. The formula is:

`T_K = T_C+ 273.15`

The boiling point of liquid nitrogen is -195.8 °C. We can substitute this value into the formula.

`T_K= -195.8 + 273.15`

`T_K= 77.35 K`

The boiling point of liquid nitrogen is 77.35 Kelvin.