Search found 4 matches

by Marcela Luna IJ
Wed Oct 04, 2017 9:51 pm
Forum: Empirical & Molecular Formulas
Topic: Identifying Empirical and Molecular Formulas [ENDORSED]
Replies: 13
Views: 1785

Re: Identifying Empirical and Molecular Formulas [ENDORSED]

When writing an empirical or molecular formula, how do you know in what order to write the elements? For example, how would you know to write Na3AlF6 rather than AlNa3F6 or Na3F6Al?
by Marcela Luna IJ
Wed Oct 04, 2017 9:45 pm
Forum: SI Units, Unit Conversions
Topic: Sig Figs
Replies: 12
Views: 984

Re: Sig Figs

You can look at Dr. Lavelle's "Everything you want to know about Sig Fig" under Course Materials on his website. It is very helpful!
by Marcela Luna IJ
Wed Oct 04, 2017 2:33 pm
Forum: Significant Figures
Topic: Theoretical and Percentage Yield
Replies: 4
Views: 389

Re: Theoretical and Percentage Yield

The difference is a difference between theoretical and actual (or experimental). Percentage Yield is calculated by the following: \frac{Actual}{Theoretical}\cdot 100 So in an ideal world, theoretical yield would be the result that you end up with; however, there are several factors that could decre...
by Marcela Luna IJ
Wed Oct 04, 2017 8:49 am
Forum: Significant Figures
Topic: Use of Significant Figures in Self Test E.2A
Replies: 3
Views: 312

Re: Use of Significant Figures in Self Test E.2A

A resource that I found extremely helpful when it came to my sig fig questions can be found on Dr. Lavelle's website. It's titled "Everything you want to know about Sig Fig" and is located under Course Materials. Good luck!

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