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by PolarFrost
March 3rd, 2019, 12:36 pm
Forum: 2019 Lab Events
Topic: Density Lab B
Replies: 116
Views: 19574

Re: Density Lab B

25. If you bring water to a boil, will it be more or less dense than if it was liquid? I think it should be less dense because water expands from liquid to gas but the answer is more so i am confused 31. As temperature increase does the density of a liquid increase or decrease? The answer is increas...
by PolarFrost
March 3rd, 2019, 11:44 am
Forum: 2019 Lab Events
Topic: Density Lab B
Replies: 116
Views: 19574

Re: Density Lab B

You have a 1.00 M solution of sulfuric acid with a density of 1.08 g/mL. What is the molality of this solution, in
m? Use that the molecular weight of sulfuric acid is 98.09 g/mol.
It says answer is 1.02 m. How do you do this?
by PolarFrost
February 24th, 2019, 12:22 pm
Forum: 2019 Lab Events
Topic: Density Lab B
Replies: 116
Views: 19574

Re: Density Lab B

How do you solve the question on test exchange? A rubber duck is placed in a liquid and floats, but it is not water. The buoyant force on the duck is measured to be 0.423 N, the acceleration due to gravity is 9.8 m/s2 , and the volume of liquid that the duck displaced is approximately 30 cm3 . What ...
by PolarFrost
December 27th, 2018, 9:51 am
Forum: 2019 Study Events
Topic: Heredity B
Replies: 27
Views: 6428

Re: Heredity B

Do we need to learn genetic drift and hardy wiensbergn formula

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