Changing of Equilibrium (Le Chatelier's Principle)

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470007-036EA 106 USD
Changing of Equilibrium (Le Chatelier's Principle)
Educational Materials Chemistry Educational Materials Properties of Matter Learning Activities in Chemistry
Experiment with Solutions in Equilibrium

  • Test Le Chatelier’s Principle
  • Discover that many chemical reactions do not go to completion
  • Investigate a system at equilibrium and study the effect of changes
  • Requires one 50 class period to complete
According to Le Chatelier's Principle, if stress is applied to any system of reactions at equilibrium, the equilibrium will adjust or shift itself in such a direction so as to reduce the effect (or relieve the stress) of any change in conditions. In this series of activities, students put Le Chatelier's Principle to the test. They learn the four important factors that can disturb the equilibrium of a chemical reaction: concentration, pressure, temperature and light. Your students will discover that chemical reactions do not always go to completion and that all are somewhat reversible. Students encourage one of two simultaneous chemical reactions which cause the equilibrium of the mixture to change.

Ordering information: Kit includes Chemplates® w/spatula, Barium nitrate, Sodium hydroxide, Hydrochloric acid, Potassium chromate and dichromate.

Delivery information: Due to the nature of this item, it cannot be shipped by air under any circumstances. Please select ground shipping at time of checkout.