Changes of state and the particle model

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Question 13
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A geologist wanted to determine the density of an irregularly shaped mineral specimen.

a.

Describe how the geologist could measure the volume of this irregular mineral specimen using standard laboratory apparatus.

[4]
b.

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

The geologist measured the mass of the specimen as 84.0 g84.0\text{ g}84.0 g.

Calculate the density of the mineral 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 mineral specimens.

Figure 1: Densities of Mineral Specimens

Based on your calculated density, what is the most likely mineral specimen that the geologist had? Select one option:

  • Halite
  • Quartz
  • Fluorite
  • Hematite
  • Galena
[1]
d.

Give one source of error that may have occurred when the geologist measured the volume of the mineral 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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  2. /Physics
  3. /Changes of state and the particle model