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11 paź 2020 · A chemical property is a characteristic of matter that can only be observed and measured by performing a chemical reaction or chemical change. In other words, you have to change the chemical identity of a substance or rearrange its internal structure to know its chemical properties.
Physical properties include color, density, hardness, and melting and boiling points. A chemical property describes the ability of a substance to undergo a specific chemical change. To identify a chemical property, we look for a chemical change.
Scientists commonly measure intensive properties to determine a substance’s identity, whereas extensive properties convey information about the amount of the substance in a sample. Figure \(\PageIndex{1}\): The Difference between Extensive and Intensive Properties of Matter.
A. property. is something that describes how a substance behaves. There are 2 types of properties: Chemical properties. - chemical changes happen when chemical reactions occur. They involve the...
11 sty 2023 · For the moment, let’s put off trying to define matter and focus on a chemist’s view: matter is what chemical substances are composed of. But what do we mean by chemical substances? How do we organize our view of matter and its properties?
Properties of matter fall into one of two categories. If the property depends on the amount of matter present, it is an extensive property. The mass and volume of a substance are examples of extensive properties; for instance, a gallon of milk has a larger mass than a cup of milk.
A physical property is a characteristic of matter that is not associated with a change in its chemical composition. Familiar examples of physical properties include density, color, hardness, melting and boiling points, and electrical conductivity.
