A chemical reaction preserves the number of atoms and the total mass involved but redistributes the materials into new arrangements. For example, a yellow solid precipitate, lead iodide (PbI2), forms from the mixture of two clear liquids, potassium iodide (KI) and lead nitrate (Pb(NO3)2).Tuesday, September 1, 2009
Chemical Reaction
A chemical reaction preserves the number of atoms and the total mass involved but redistributes the materials into new arrangements. For example, a yellow solid precipitate, lead iodide (PbI2), forms from the mixture of two clear liquids, potassium iodide (KI) and lead nitrate (Pb(NO3)2).
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