In the Sequence of Chemical Reactions Laboratory Kit, start with copper, and end with copper! Students practice filtering, decanting, precipitating, and neutralizing as they perform this amazing chemical feat.
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Start with copper—end with copper! Students perform a series of chemical reactions to convert copper metal to its nitrate, hydroxide, oxide, chloride, phosphate, sulfate and finally... back to copper metal. Students practice many standard laboratory techniques, such as filtering, decanting, precipitating and neutralizing as they perform this amazing chemical feat. For each reaction in the cycle, students write a balanced chemical equation, note physical states of products, learn reaction types and calculate percent yield.
Complete for 30 students working in pairs. Perform this experiment in a fume hood or well-ventilated lab. Entire lab may take 3–5 laboratory periods.
Correlation to Next Generation Science Standards (NGSS)
Science & Engineering Practices
Analyzing and interpreting data
Developing and using models
Constructing explanations and designing solutions
Disciplinary Core Ideas
MS-PS1.A: Structure and Properties of Matter
MS-PS1.B: Chemical Reactions
HS-PS1.B: Chemical Reactions
Energy and matter
MS-PS1-2. Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.
MS-PS1-5. Develop and use a model to describe how the total number of atoms does not change in a chemical reaction and thus mass is conserved.
HS-PS1-2. Construct and revise an explanation for the outcome of a simple chemical reaction based on the outermost electron states of atoms, trends in the periodic table, and knowledge of the patterns of chemical properties.