Which of the following examples depict(s) a physical property?
2 answers:
Answer:
Explanation:
A physical property is a property that can be observed without changing the composition.
Some examples of physical properties are:
- Color
- Density
- Length
- Mass
- Smell
- Temperature
- Boiling Point
- Hardness
Now, let's examine our answer choices.
Choice A: Sugar is white in color
- The property is color, which is a physical property.
Choice B: Iron is more dense than aluminum
- The property is density, which is a physical property.
Choice C: Diamond is harder than graphite.
- The property is hardness, which is a physical property.
Since all three choices depict physical properties, the best choice is D. All of the above.
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Answer:
0.967mole
Explanation:
Given parameters:
Volume of NH₄Cl = 21.67L
Unknown:
Number of moles = ?
Solution:
We assume that the volume was taken at standard temperature and pressure,
Then;
Number of moles =
Number of moles = = 0.967mole