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Topic: Eliminating errors using graphical techniques  (Read 3570 times)

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Offline steakandbeers

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Eliminating errors using graphical techniques
« on: October 29, 2008, 08:19:06 AM »
gday everyone wondering if u can help me out here

i have a question giving me various densitys of various pressures to help me work out the molecular weight of S02.

Now, im given all the information to work it out using the ideal gas equation. However, im not sure of the correct method to make use of the 'various densitys at various pressure' information.

I have simply graphed it, and taken rise over run. However im told if i graph it another way, i eliminate most of the errors?

I know its simply a PV=RT type of question, but given various densities and varying pressures i assume there is an accurate way to derive the unknowns from this?

Sorry if my explanation is confusing.



Offline JoeWong

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Re: Eliminating errors using graphical techniques
« Reply #1 on: November 03, 2008, 02:44:07 AM »
Hi,
Are you a student ?

Can you please tabulate the data ?


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