Analytical Chemistry

Learn the toughest concepts covered in your Analytical Chemistry class with step-by-step video tutorials and practice problems.

Tools of the Trade

Buoyancy

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Buoyancy represents the upward force an object either by a liquid or air. 

Buoyancy in Air

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Buoyancy in Air

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In order to determine the true mass of an object you utilize the buoyancy equation

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Buoyancy in Air

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Buoyancy in Fluids

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Buoyancy in Fluid

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Buoyancy in Fluid

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Buoyancy Calculations 

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Buoyancy Calculations

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Problem

An empty container weighing 73.190 g is filled with an unknown liquid and the combined mass is recorded as 87.308 g. The container was then emptied and filled with water and recorded a new mass of 88.442 g at a temperature of 19 oC. (d = 1.0027 g/mL). Calculate the density of the unknown liquid. 

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Buoyancy Calculations 2

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Buoyancy Calculations 2

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Problem

An object weighs 36 g in air and has a volume of 8.0 cm3. What will be its apparent weight when immersed in water?