2) A sample of argon has a volume of 5.0 Land the pressure is 650 mm Hg If the final temperature is 30. C, the final volume is 5.7 L, and the final pressure is 800. mm Hg, what was the initial temperature
of the argon?

Explanation:

Given

--- Initial Pressure

--- Initial Volume

--- Final Volume

--- Final Pressure

---- Final Temperature

Required

Determine the initial temperature (T1)

This question will be solved using combined gas law which states:

However, the final temperature must be converted to degree kelvin

--- Add 273.15

Make T1 the subject in

Substitute values for P1, V1, T2, P2 and V2

Approximate

Convert to degree Celsius

--- Subtract 273.15

Hence, the initial temperature is -57.15C

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