Question

An electrician cuts a 10-meter-long copper wire having a density of 8.9 g/cm3 into 10 equal parts. What is the density of each small part? (5 points)
a
One-tenth of 8.9 g/cm3 since density is an intensive property

b
One-tenth of 8.9 g/cm3 since density is an extensive property

c
8.9 g/cm3 since density is an intensive property

d
8.9 g/cm3 since density is an extensive property

Answer 1

Answer:

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Explanation:

Answer 2

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d). 8.9 g/cm³ since density is an extensive property

・we know that, density of an object is the ratio of its mass and volume

and mass and volume both are extensive properties

☆ extensive property :An extensive property is a property that depends on the amount of matter in a sample.

・and then, ratio of two extensive properties of the same substance,system or object is an intensive

・therefore, density is an intensive property and we know that.. intensive properties are those which remain unchanged regardless of the quantity of matter being measured.

★ so, density of each small part will remain 8.9 g/cm³

hence, option d is correct!

8.9 g/cm³ since density is an extensive property