Changes of state and the particle model

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Question 16
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A student wanted to determine the density of an irregularly shaped metal specimen.

a.

Describe how the student could measure the volume of this irregular metal specimen.

[3]
b.

The volume of the metal specimen was measured as 16.0 cm316.0\text{ cm}^316.0 cm3.

The student measured the mass of the metal specimen as 113.6 g113.6\text{ g}113.6 g.

Calculate the density of the metal specimen in g/cm3\text{g/cm}^3g/cm3.

Use the equation: density=massvolume\text{density} = \frac{\text{mass}}{\text{volume}}density=volumemass​

[2]
c.

Figure 1 shows the densities of different types of metals.

Figure 1: Densities of different metals

Based on your calculated density, what is the most likely metal that the student had? Select one option:

  • Aluminum
  • Titanium
  • Zinc
  • Steel
  • Copper
[1]
d.

Give one source of error that may have occurred when the student measured the volume of the metal specimen.

[1]
e.

How would the error you described in Part 4 affect the measured volume of the specimen?

[1]

Changes of state and the particle model Questions

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