What is K(for kelvin)??

Question

I don't get it...what does it do?

Answer 1

i often use it for chemistry. when i want to transforme celsius in kelvin K=C +273
Usually it is used also in chemistry along with pressure 1atm to mark the "normal conditions" of a substance. 0 K and 1 atm

Answer 2

Kelvin is a temperature scale that has involved from experiments with gases. It is chosen as the preferred SI unit as it avoids negative temperatures, which are inherent with the Fahrenheit and Celsius scales, and because of this it makes calculations easier. Think about the ideal gas law

PV=nRT if we had a negative temperature, this implies a negative pressure or volume and this looks incorrect. It is used in all calculations where temperature is stated.

Answer 3

Its a temperature scale that starts at absolute 0 and it uses the same interval as the Celsius scale. It is much more useful for Physics. As nothing can get colder there is no negative temperature.

The thing about C and F is that they have a 0 point based on convenience with no scientific relevance. The F scale 0 was chosen as the coldest the winter got in Gdansk. C was chosen as the freezing point of water. They are both good scales for temperatures that humans normally encounter like in weather or cookery but poor for physics, chemistry and astronomy.

Answer 4

SI unit for temperature