Homework Help: Chemistry

Posted by Sam on Saturday, September 3, 2011 at 7:54pm.

Suppose you have two 100- graduated cylinders. In each cylinder there is 44.0 of water. You also have two cubes: One is lead, and the other is aluminum. Each cube measures 1.5 on each side.

After you carefully lower each cube into the water of its own cylinder, what will the new water level be in each of the cylinders? Assume that cubes are totally emerged in the water.

Density of Lead= 11.3 g/ml or g/cm^3
Density of Aluminum= 2.70 g/ml or g/cm^3

Chemistry - Sam (Please), Saturday, September 3, 2011 at 8:27pm
I just need help on the set up of the equation.
Chemistry - DrBob222, Saturday, September 3, 2011 at 8:28pm
If the length of the cubes are 1.5 WHAT on a side (I'll assume cm), then volume is 1.5^3 cc and that added to 44.0 will be the new volume in each graduated cylinder.
Chemistry - DrBob222, Saturday, September 3, 2011 at 8:30pm
Don't get sucked into thinking the volumes will be different because the densities are so much different. Volume is determined by the length of each cube and not by the density.
Chemistry - Sam (Please), Saturday, September 3, 2011 at 8:46pm
Thank You SO MUCH!!!

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