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Introduction to Le Chatelier's Principle

AP Chemistry· difficulty 4/5

For 2 SO2_2(g) + O2_2(g) ⇌ 2 SO3_3(g), ΔH < 0. Increasing temperature

  • A

    Shifts equilibrium right (more SO3_3)

  • B

    Has no effect

  • C

    Increases K

  • D

    Shifts equilibrium left (less SO3_3, K decreases)

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Explanation

Exothermic forward reaction. Heat is a "product." Adding heat (raising T) shifts left, decreasing K.

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