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, Comprehensive Chemistry_ Reactions, Equations, and Mixtures.pdf Comprehensive Chemistry_ Reactions, Equations, and Mixtures.pdf Comprehensive Chemistry_ Reactions, Equations, and Mixtures
What is a chemical reaction? A chemical change in which one or more substances are destroyed and one or
more new substances are created.
What are reactants in a chemical reaction? Substances that are destroyed by the chemical change.
What are products in a chemical reaction? Substances created by the chemical change.
What does the arrow (→) represent in a chemical It is read as 'yields' and separates reactants from products.
equation?
What is the evidence for a chemical reaction involving Evolution of light or heat.
light or heat?
What indicates a temperature change in a chemical An increase or decrease in temperature to the surroundings.
reaction?
What evidence suggests a gas is formed in a chemical Bubbling or an odor other than boiling.
reaction?
What does a color change indicate in a chemical reaction? The formation of a new substance.
What is a precipitate in the context of a chemical reaction? A new solid that forms from the reaction of two aqueous solutions.
What is a word equation in chemistry? A statement that indicates the reactants and products in a chemical reaction.
What is a skeleton equation? An equation that uses chemical formulas rather than words to identify reactants and
products.
Comprehensive Chemistry_ Reactions, Equations, and Mixtures.pdf Comprehensive Chemistry_ Reactions, Equations, and Mixtures.pdf Comprehensive Chemistry_ Reactions, Equations, and Mixtures.pdf