Chemists use chemical equations to describe the materials that are present before and after a chemical reaction occurs. Reactants, products, coefficients and subscripts are terms used to describe chemical equations. Duration: 6:44.
VIDEO CHECK QUESTIONS
9.2a Which materials are presented before the arrow in a chemical reaction, the products or the reactants?
9.2b What does the arrow indicate in a chemical reaction?
9.2c What is the difference between the coefficient and the subscript numbers used in a chemical equation?
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