Answered

Which variable is held constant when testing for the thermal expansion relationship of a gas?

Verified Answer :

pressure is the correct answer

Answer:

Pressure

Explanation:

  • In Charles Law Pressure is kept constant and the quantities that are manipulated is temperature. Therefore we can use Charles law in order to compare volume and temperature. Volume and temperature are directly proportional to each other.

                                  V α T

                                  V = kT

                                 Pressure is held constant

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