Characteristics of Chemical Equations

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Presentation transcript:

Characteristics of Chemical Equations

Chemical equations summarize chemical changes.

Chemical equations summarize chemical changes. We have requirements for writing equations.

Chemical equations summarize chemical changes. We have requirements for writing equations. The equation must represent known facts.

Chemical equations summarize chemical changes. We have requirements for writing equations. The equation must represent known facts. Reactants and products must be known.

Chemical equations summarize chemical changes. We have requirements for writing equations. The equation must represent known facts. Reactants and products must be known. The conditions must be known.

Chemical equations summarize chemical changes. We have requirements for writing equations. The equation must represent known facts.

Chemical equations summarize chemical changes. We have requirements for writing equations. The equation must represent known facts. The equation must contain the correct formulas for the reactants and products.

Chemical equations summarize chemical changes. We have requirements for writing equations. The equation must represent known facts. The equation must contain the correct formulas for the reactants and products. We must write the correct formulas.

Chemical equations summarize chemical changes. We have requirements for writing equations. The equation must represent known facts. The equation must contain the correct formulas for the reactants and products. We must write the correct formulas. That is one reason we learned all of those cations and anions.

Chemical equations summarize chemical changes. We have requirements for writing equations. The equation must represent known facts. The equation must contain the correct formulas for the reactants and products.

Chemical equations summarize chemical changes. We have requirements for writing equations. The equation must represent known facts. The equation must contain the correct formulas for the reactants and products. The law of conservation of mass must be satisfied.

Chemical equations summarize chemical changes. We have requirements for writing equations. The equation must represent known facts. The equation must contain the correct formulas for the reactants and products. The law of conservation of mass must be satisfied. The mass of the reactants must equal the mass of the products.

Chemical equations summarize chemical changes. We have requirements for writing equations. The equation must represent known facts. The equation must contain the correct formulas for the reactants and products. The law of conservation of mass must be satisfied. The mass of the reactants must equal the mass of the products. We use coefficients to help balance the masses and moles.

Chemical equations summarize chemical changes. We have requirements for writing equations. The equation must represent known facts. The equation must contain the correct formulas for the reactants and products. The law of conservation of mass must be satisfied.