How native speakers pronounce “kelvin”

degrees c or 298.1 degrees c or 298.1 kelvin and for simplicity assume one kelvin and for simplicity assume one

Electrochem Eng L03-12 Exchange current density on Butler Volmer equation

room temperature 25 degrees c or room temperature 25 degrees c or 298.15 kelvin 298.15 kelvin

Electrochem Eng L03-11 Butler Volmer equation to polarization curve

over kN. Hey look, temperature is just energy  per particle! That seems pretty reasonable.  This is, of course, assuming we're using  Kelvin where zero Kelvin is absolute zero,   and then this constant k is responsible for  converting to Kelvin. So, for this model,  

Temperature and the Sackur–Tetrode Equation

temperature which is 25 degrees or 298 temperature which is 25 degrees or 298 degrees 298 Kelvin and alpha alpha is degrees 298 Kelvin and alpha alpha is

Introduction to Tafel Plot/Equation, Butler-Volmer Equation and Foot-of-Wave-Analysis (FOWA)