High School

What unit of temperature is used in gas law calculations?

A. Either degrees Celsius or Kelvin
B. Degrees Celsius
C. Kelvin
D. Either degrees Celsius or degrees Fahrenheit
E. Degrees Fahrenheit

Answer :

The unit of temperature that is used in gas law calculations is either degrees Celsius or Kelvin.

In gas law calculations, what is the temperature unit that is typically utilized?

In gas law calculations, the temperature is a crucial variable that affects the behavior of gases. The most commonly used temperature scales are Celsius and Kelvin. However, Kelvin is typically preferred in gas law calculations because it is an absolute temperature scale, meaning that it starts at absolute zero, which is the theoretical temperature at which all molecular motion ceases. This makes it easier to work with because the temperature is always positive and can be directly proportional to the average kinetic energy of gas molecules.

On the other hand, Celsius is a relative temperature scale and is based on the freezing and boiling points of water at standard atmospheric pressure. Because the zero point of the Celsius scale is arbitrary, it can produce negative values that are not meaningful in gas law calculations. For this reason, it is necessary to convert Celsius temperatures to Kelvin before using them in gas law calculations.

In summary, both Celsius and Kelvin are used in gas law calculations, but Kelvin is preferred because it is an absolute temperature scale that starts at absolute zero, making it easier to work with and more meaningful in the context of gas behavior.

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