Temperature Scales

Key Questions

  • Answer:

    Conversion is quite trivial between the Kelvin scale and the Celsius scale.....

    Explanation:

    On the Kelvin scale, "absolute zero = 0 K"...whereas on the Celsius scale, "absolute zero" = -273.15 ""^@C. Conversion between the Celsius scale and Fahrenheit scale is a bit more problematic..and I acknowledge that you may be a septic, and so such conversions are necessary.

    For "Fahrenheit to Celsius", subtract 32^@, then multiply by 5/9.

    For "Celsius to Fahrenheit", multiply by 9/5, THEN ADD 32^@.

    It may be an idea to try to use the Celsius scale exclusively... Most USaian chemists I know would always quote a reaction temperature in Christian units even tho they might use the Fahrenheit scale for how hot/cold it was outside...

  • Answer:

    Well, what temperature scale is appropriate....?

    Explanation:

    Several experimental gas laws established the dependence between a gaseous volume and temperature. And from the development of ideas of atoms and molecules, the experimental gas laws enabled chemists and physicists to form a pretty shrewd idea about the nature of gaseous particles...and of course from these ideas the molecular nature of matter, especially with regard to gases, were developed.

    Old "Charles' Law" established the proportionality of volume and temperature....i.e. VpropT...and this law proposed that there was a limit with regard to temperature...what today we would call "absolute zero...". And thus at absolute zero, -273.15 ""^@C or 0*K all molecular motion ceases (a simplification!), and this temperature represents the LIMIT of temperature...

    Today -273.15 ""^@C-=0*K...the K stands for "Kelvin Temperature", after William Thomson, later the Lord Kelvin (1824-1907)…

    Most of the Gas Laws..."Charles' Law", the "Ideal Gas Law" specify the use of the Kelvin scale...

    As a curiosity much of the gas laws owe to railway development....i.e. steam driven locomotives directly exploit gaseous pressure to provide motion...

Questions