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What is the length of the side (in cm) of a cube that has a density of 12.6 g/ml and a mass of 7.65 g?
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1. Intro to General Chemistry
Density
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Density is correctly described as a ______.
A
type of energy
B
physical property
C
chemical property
D
unit of mass
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Understand the definition of density: Density is the measure of how much mass is contained in a given volume of a substance.
Recall the difference between physical and chemical properties: Physical properties can be observed or measured without changing the substance's identity, while chemical properties describe how a substance interacts or changes into a different substance.
Recognize that density can be measured without altering the substance's chemical composition, meaning it is a physical characteristic.
Eliminate options that do not fit: Density is not a type of energy, nor is it a unit of mass, and it does not describe chemical reactivity.
Conclude that density is best described as a physical property because it relates to the physical state and characteristics of a material without changing its chemical identity.
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