Question 8 • IA-Chemistry A Survey of Chemistry A
A chemical equation can show whether substances are solids, liquids, gases, or dissolved in water, and its coefficients give the relative amounts of reactants and products. Conditions such as temperature, pressure, and a catalyst can be written near the reaction arrow. A reversible arrow indicates that the reaction can proceed in both directions. The equation does not tell how long the reaction takes or the actual mass of product made.
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