1. The density of liquid iron (6.98 g/cm3)is lower than that of solid iron (7.87

Question

1. The density of liquid iron (6.98 g/cm3)is lower than that of solid iron (7.874 g/cm3). This trend holds for all substances.

Select one or more:

a. true

b. false

2. The density of any given substance does not change with respect to the amount of that substance. This means that density is an extrinsic property of matter.

Select one or more:

a. false

b. true

3. When measuring the volume of an irregularly shaped solid, for the most accurate result, the liquid used should be...

Select one or more:

a. the same density as the solid

b. less dense than the solid

c. more dense than the solid

4. Liquid X is placed into a clear container. You begin adding Liquid Q to the same container. What would happen if Liquid X is more dense than Liquid Q?

Select one or more:

a. They will form layers, with Liquid Q on bottom

b. They will form layers, with Liquid Q on top

c. They will form layers, with Liquid X on top

d. The liquids will mix and form no discernible layers

Explanation / Answer

1)  The density of liquid iron (6.98 g/cm3)is lower than that of solid iron (7.874 g/cm3). This trend holds for all substances - False

water in liquid phase possess higher density than that in the solid phse. this is why ice floats on water.

2) The density of any given substance does not change with respect to the amount of that substance. This means that density is an extrinsic property of matter - False

an extrinsic property of matter represent the value dependent on amount of matter present and since density is independent of the amount of matter present, it is an intrinsic property.

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