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Ch3 Chem Study Guide

Help to review for the Ch3 Unit Test

What is the equation for volume? V=l x w x h
What is the equation for density? D=m/v
What determines the density of a substance? mass, size, and arrangement of atoms (temp)
True or False: 1 mL of water has a volume of 3 cm3 false
True or False: different atoms have different sizes and masses. true
Do liquids have their own characteristic density, just like solids? Yes
What did we use in class to measure the volume of a liquid? graduated cylinder
What is the density of water? 1g/cm3
The density of a subsatnces changes depending on the size of the sample, true or false. false
What determines if an object will sink or float in another object? density
Created by: susan.walters