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le chatelier's law

 

Definitions from WordNet

Noun le chatelier's law has 1 sense
  1. Le Chatelier's principle, Le Chatelier's law, Le Chatelier principle, Le Chatelier-Braun principle - the principle that if any change is imposed on a system that is in equilibrium then the system tends to adjust to a new equilibrium counteracting the change
    --1 is a kind of principle, rule

Definitions from the Web

Term: Le Chatelier's Law

Description

Le Chatelier's Law, also known as the principle of equilibrium, is a fundamental concept in chemistry that describes the behavior of a system when subjected to external stresses or changes in conditions. This law states that when a system at equilibrium experiences a change, it will adjust itself in a way that opposes the change, ultimately restoring equilibrium.

Senses and Usages

  1. Chemical Equilibrium:
    • Sense: Refers to the principle that governs the behavior of chemical reactions in a state of equilibrium.
    • Usage: According to Le Chatelier's Law, if the concentration of reactants in a reversible reaction is decreased, the equilibrium will shift towards the side with fewer moles of substances.
  2. Physical Equilibrium:
    • Sense: Pertains to the principle applied to physical changes that reach equilibrium, such as changes in pressure, temperature, or volume.
    • Usage: Le Chatelier's Law predicts that a decrease in pressure applied to a gas in equilibrium will cause the system to shift towards the side with more moles of gas molecules.

Sample Sentences

  1. According to Le Chatelier's Law, an increase in temperature will cause an exothermic reaction to shift in the direction that absorbs heat.
  2. When additional reactants are introduced into a system at equilibrium, Le Chatelier's Law explains that the system will adjust by producing more products to restore equilibrium.
  3. Le Chatelier's Law helps chemists predict the effect of changes in concentration, temperature, or pressure on chemical equilibria.
  4. By understanding Le Chatelier's Law, scientists can optimize reaction conditions to maximize the production of desired products.

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