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The figure below is an energy level diagram for the reaction. Explain how the following conditions would affect the yield of AB. (i) Increase in pressure.

Chemistry

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Answer

Ili kueleza jinsi ongezeko la shinikizo litaathiri mavuno ya AB, tunatumia Kanuni ya Le Chatelier.

Step-by-step solution

4 steps
  1. Tambua idadi ya moli za gesi pande zote mbili za mmenyuko.

    Mmenyuko ni: 2A(g)+2B(g)⇌2AB(g)2A_{(\text{g})} + 2B_{(\text{g})} \rightleftharpoons 2AB_{(\text{g})}

    • Upande wa bidhaa (reactants): Kuna 2 moli za gesi A na 2 moli za gesi B, jumla ya 2+2=42+2 = 4 moli za gesi.
    • Upande wa bidhaa (products): Kuna 2 moli za gesi AB.
  2. Tumia Kanuni ya Le Chatelier.

    Kanuni ya Le Chatelier inasema kwamba ikiwa mabadiliko yatafanywa kwenye mfumo ulio katika usawa, mfumo utajirekebisha ili kupunguza athari za mabadiliko hayo. Ongezeko la shinikizo litasababisha usawa kuhama kuelekea upande wenye idadi ndogo ya moli za gesi.

  3. Bainisha mwelekeo wa mabadiliko ya usawa.

    Kwa kuwa upande wa bidhaa (2AB(g)2AB_{(\text{g})}) una moli 2 za gesi, na upande wa bidhaa (2A(g)+2B(g)2A_{(\text{g})} + 2B_{(\text{g})}) una moli 4 za gesi, upande wa bidhaa una idadi ndogo ya moli za gesi.

  4. Hitimisho.

    Ongezeko la shinikizo litasababisha usawa kuhama kuelekea upande wa bidhaa (kulia) ili kupunguza shinikizo. Hii itaongeza uzalishaji wa AB.

    • Ongezeko la shinikizo litasababisha usawa kuhama kuelekea upande wa bidhaa (2AB(g)2AB_{(\text{g})}) kwa sababu upande huo una idadi ndogo ya moli za gesi (2 moli ikilinganishwa na 4 moli upande wa bidhaa). Hii itaongeza mavuno ya AB.
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