Ecuacion quimica
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The document describes a chemical reaction between copper sulfide (CuS) and nitric acid (HNO3) that produces copper nitrate (Cu(NO3)2), nitrogen monoxide (NO), sulfur (S), and water (H2O). It provides the balanced chemical equation and explains that sulfur is oxidized while nitrogen is reduced in the reaction. Finally, it scales up the balanced reaction to show the products when 3 moles of CuS reacts with 8 moles of HNO3.
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El documento describe los pasos para balancear una ecuación redox química mediante el método de redox. En primer lugar, se asignan los números de oxidación a cada átomo y se identifican los elementos que cambian su estado de oxidación. Luego, se escriben las semirreacciones de oxidación y reducción, se igualan y suman para obtener los coeficientes de la reacción balanceada final. Finalmente, se verifica el balanceo de masas y cargas y se ajustan los coeficientes mediante tanteo si es necesario.
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2. Precipitation reactions occur when ions combine to form an insoluble ionic compound. Examples are:
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