February 24, 2017

Homework Help: Chemistry

Posted by AJ on Thursday, October 30, 2008 at 2:35am.

I had to find the absolute zero from a graph with the following points:

Temperature (K) / Volume (mL):
318 4.5
308 4.3
303 4.1
294 4.0
284 3.9
275 3.7
271 3.2

I graphed the points (with the temperature on the y-axis because the lab indicated a vertical temperature axis) and got the equation 38.979x + 139.04. The question that I have is do I set this equation equal to zero to solve for the absolute volume or when the volume is equal to zero and then put that into the original equation to solve for the absolute zero, which should be around 0 or close to it.

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