Dylan M. 1 decade ago. Sustituye grupos inmutables en los compuestos químicos para evitar la ambigüedad. Balancing chemical equations. Answers: 3 on a question: Balance the following Equation Show your work. Por ejemplo, la ecuación C6H5C2H5 + O2 = C6H5OH + CO2 + H2O no será equilibrado. Type of Chemical Reaction: For this reaction we have a combination reaction. La ecuación de la reacción. This is a combination reactions because the mercury (Hg) plus the oxygen gas (O2) come together to form the Mercury (II) oxide (MgO). 2, 2,1 C. 2, 1,2 D. 2, 3,4 Ver respuesta ALE200522 está esperando tu ayuda. As the Hg is already balanced, we need to multiply the reactant side HgO by 2 to makes two oxygen on this side. En la ecuación química: HgO -----> Hg + O2 , los coeficientes estequiométricos necesarios para balancear esta ecuación es: A. 1.CaO + H2O → Ca(OH)2 2. Chemical reaction. 1 0. Get an answer to your question Balance these equations: HgO → Hg + O2 Na + HCl → H2 + NaCl K + Cl2 → KCl C2H6 + O2 → CO2 + H2O C5H12 + O2 → CO2 + H2O C6H14 + O2 → CO2 + H2O First balance the oxygen so put a 2 in front of the Hg on the left side... then that unbalances the Hg so you have to stick a two in front oh the Hg on the right . A decomposition reaction is a type of chemical reaction in which a single compound breaks down into two or more elements or new compounds. You end up with a test tube where mercury metal condenses on the top of the test tube. The yellow form can be obtained by precipitation of aqueous Hg 2+ with alkali. Of course, this reaction is performed in an efficient fume hood, because you don't want to … Añade tu respuesta y gana puntos. 2HgO => 2Hg+O2 . how to balance HgO --> Hg + O2? how many liters of oxygen gas, O2, measured at STP are produced from the decomposition of 303 g of mercury (II) oxide, HgO? 0 0. ___HgO → ___Hg + O2 3. Now on doing this, Hg gets unbalanced and so to balance this we need to multiply Hg on product side by 2. the ratio between HgO and O2 is 2:1. moles HgO needed = 2 x 3.91 =7.82 moles O2 = 125 g / 32 g/mol =3.91. Balancing Strategies: To balance this equation it's probably easiest to begin by changing the coefficient in front of the HgO. Word equation: Mercury + Oxygen gas → Mercury (II) oxide. Source(s): balance hgo hg o2: https://biturl.im/qLOJA. The balanced equation is: If we look at the given options then it … These reactions often involve an energy source such as heat, light, or electricity that breaks apart the bonds of compounds. The thermal decomposition of mercury(II) oxide to produce mercury and oxygen. capitanme168 capitanme168 Respuesta: La reacción de descomposición térmica del óxido de mercurio(II) . 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