Interpretation:The reason why samples of copper and platinum exhibit the same extensive properties but not the same intensive properties should be explained.
Concept Introduction: Substances that occupy space and have mass are said to be matter.Two categories that are used to classify properties of matter are:
- Intensive properties: The property that does not depend on the mass of the substance but depends on the type of matter in a sample is said to be intensive property.
- Extensive properties: The property that depends on the mass of the substance in a sample is said to be extensive property.

Explanation of Solution
The extensive properties ofsamples of copper and platinum can be the same as it depends only on the mass of the substance so, one can have both the samples in the same amount as 5 gm of each, copper and platinum. Whereas the extensive properties for samples of copper and platinum cannot be the same the composition of matter is not the same in copper and platinum. Copper and platinum are pure substances as copper is composed of copper metal only and platinum is composed of platinum metal only.
Chapter 2 Solutions
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