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Physical and Chemica

Discovering Design with Chemistry chapter 6

Physical Change A change which does not alter the chemical composition of a substance
Chemical Change A change that alters the chemical composition of a substance
Kinetic Theory of Matter The molecules (or atoms) that make up a substance have space in between them, and they are in constant, random motion. The hotter the substance, the faster the motion
Formation reaction A reaction in which two or more elements react together to form a single compound
Decomposition reaction A reaction in which the only reactant is a compound, and the products are the elements from which the compound is made
Single displacement reaction A reaction in which one element or ion in a compound is replaced by a different element or ion
Double displacement reaction A reaction in which two elements or ions in two different compounds switch places, each becoming part of the other compound
Combustion reaction The process by which a chemical reacts with oxygen to form one or more products as well as heat and usually light
Complete combustion A combustion reaction in which the only products are carbon dioxide and water
Incomplete combustion A combustion reaction in which carbon monoxide and / or elemental carbon are formed in addition to water
Created by: Pink Smiley Girl



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