CHEM 1035 Lecture Notes - Lecture 1: Combustibility And Flammability, Electrical Resistivity And Conductivity

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16 Jul 2016
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Chemistry - the study of matter and its properties, the changes that matter undergoes, and the energy associated with those changes. Matter - anything that has mass and volume. Composition - the types and amounts of simpler substances that make up matter. Substance - is a type of matter that has a defined, fixed composition. Properties - the characteristics that give each substance its unique identity. Physical properties - characteristics a substance shows by itself, without changing into or interacting with another substance. Physical change - occurs when a substance alters its physical properties, not its composition. Chemical properties - characteristics a substance shows as it changes into or interacts with another substance (or substances). Chemical change - occurs when a substance (or substances) is converted into a different substance (or substances). Solid - has a fixed shape that does not conform to the container shape.

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