marusiaturanova2004

20.09.2020 • 

Chemistry

A student experimentally determines the density of a plastic cube using the caliper method, liquid displacement method, and suspension method. The cube's true density is 0.9822 g/cm3. Use the student's collected data below to answer the following questions. Student's Collected Data Cube's Mass0.66g Caliper Method Edge Length0.85 cm Liquid Displacement Method Volume of Liquid5.5 mL Volume of Liquid Object6.2 mL Suspension Method LiquidDensity g mL Liquid VolumeObservation Ethanol0.7897.5Cube suspended in mixture Glycerol1.2594.8 Part A Determine the density of the cube for each method. Report each answer to the correct number of significant figures. Caliper Method:
g mL
Liquid Displacement Method:
g mL
Suspension Method:
g mL

Ответ:

powellalyvia

27.02.2022

Chemistry

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Pythagorean Theorem: a^2 + b^2 = c^2, where c is the hypotenuse.

If x is the hypotenuse, you'd set it up like this:

12^2 + 35^2 = x^2
144 + 1225 = x^2
1369 = x^2
37 = x

The length of the hypotenuse is 37.

Hope this helps.

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