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Introduction to Le Chatelier's Principle

AP Chemistry· difficulty 4/5

add reactant time [X]

For the exothermic reaction 2SO2(g)+O2(g)⇌2SO3(g)2SO_2(g) + O_2(g) \rightleftharpoons 2SO_3(g), which change increases the equilibrium yield of SO3SO_3?

  • A

    Increase volume of container

  • B

    Add inert gas at constant volume

  • C

    Decrease temperature, increase pressure

    check_circle
  • D

    Increase temperature, decrease pressure

Explanation

Exothermic: lower T shifts right. Fewer moles gas on product side: higher P shifts right. Both favor SO3SO_3 formation.

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