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by <<rhine>>
April 26th, 2018, 5:40 pm
Forum: 2018 Lab Events
Topic: Density Lab B [WA TRIAL]
Replies: 15
Views: 5454

Re: Density Lab B [WA TRIAL]

Does anyone know if we have to calculate the values using significant digits?
by <<rhine>>
April 26th, 2018, 5:39 pm
Forum: 2018 Lab Events
Topic: Density Lab B [WA TRIAL]
Replies: 15
Views: 5454

Re: Density Lab B [WA TRIAL]

If you're looking for buoyancy formulas, then here is a good source:
http://hyperphysics.phy-astr.gsu.edu/hbase/pbuoy.html
by <<rhine>>
April 16th, 2018, 6:18 pm
Forum: 2018 Lab Events
Topic: Density Lab B [WA TRIAL]
Replies: 15
Views: 5454

Re: Density Lab B [WA TRIAL]

Considering the vagueness of the rules, I believe that the best method is to do what the person above said. There are hundreds of books in the library or online for density, buoyancy, concentration, etc.
by <<rhine>>
March 7th, 2018, 8:41 am
Forum: 2018 Lab Events
Topic: Crime Busters B
Replies: 89
Views: 12841

Re: Crime Busters B

What would be the best way to differentiate silk from polyester when looking at them under a microscope? Should I just rely on the burn test for these two fibers?
by <<rhine>>
March 7th, 2018, 8:22 am
Forum: 2018 Question Marathons
Topic: Potions and Poisons B
Replies: 54
Views: 8909

Re: Potions and Poisons B

I have a question '~'
To 2.00 L of 0.445 M HCl, you add 3.88 L of a second HCl solution of an unknown concentration. The resulting solution is 0.974 M. Assuming the volumes are additive, calculate the molarity of the second HCl solution.
:D

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