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This A Solid-Solid Reaction between Lead Nitrate and Potassium Iodide lab resource also includes:
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Why is it so difficult to make two solid compounds react? Investigate the concepts of particle collisions and rate of reaction using a quick demonstration. The colorful experiment features two plain, white solids combining to form a bright yellow product.
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CCSS:
Adaptable
NGSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Create an inquiry assignment based on the demonstration and have learners explore how reaction rate is affected by collisions between reactants
- Do the reaction with both reactants in the solid phase, then perform it again in solution; have the class time both reactions and then compare them
Classroom Considerations
- Due to the nature of the reactants and products, the lab should be performed as a demonstration rather than a full-class experiment
Pros
- The demonstration is a rare, great example of solid-solid chemical reactions
- Resource provides many opportunities for student inquiry and observation
Cons
- None