Question

what are some systematic errors in an ideal gas constant experiment?

what are some systematic errors in an ideal gas constant experiment?

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Answer #1

An ideal gas is a theoretical idea – a gas in which there are no attractive forces between the molecules, and in which the molecules occupy no space. Both of these assumptions are incorrect, for:

  • if there were no attractive forces between molecules, no substances would ever condense from the gas state to become liquids and solids. In fact, every substance does condense when it is cooled and compressed enough. Therefore there must be attractive forces between molecules.
  • if molecules took up no space, then we could compress substances until they had no volume at all. In fact, solids and liquids are almost incompressible, since their molecules are basically touching each other. Since solids and liquids take up space, the molecules of which they are made must take up space also.
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