Balancing Strategies: To balance this equation it's probably easiest to begin by changing the coefficient in front of the HgO. Answers: 3 on a question: Balance the following Equation Show your work. La reacción de descomposición térmica del óxido de mercurio(II) . This is a combination reactions because the mercury (Hg) plus the oxygen gas (O2) come together to form the Mercury (II) oxide (MgO). The thermal decomposition of mercury(II) oxide to produce mercury and oxygen. Por ejemplo, la ecuación C6H5C2H5 + O2 = C6H5OH + CO2 + H2O no será equilibrado. 2, 2,1 C. 2, 1,2 D. 2, 3,4 Ver respuesta ALE200522 está esperando tu ayuda. Añade tu respuesta y gana puntos. 0 0. 2 HgO >> 2 Hg + O2. Sustituye grupos inmutables en los compuestos químicos para evitar la ambigüedad. 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 . Chemical reaction. the ratio between HgO and O2 is 2:1. moles HgO needed = 2 x 3.91 =7.82 These reactions often involve an energy source such as heat, light, or electricity that breaks apart the bonds of compounds. Now on doing this, Hg gets unbalanced and so to balance this we need to multiply Hg on product side by 2. Balancing chemical equations. The difference in color is due to particle size, both forms have the same structure consisting of near linear O-Hg-O units linked in zigzag chains with an Hg-O-Hg angle of 108°. how many liters of oxygen gas, O2, measured at STP are produced from the decomposition of 303 g of mercury (II) oxide, HgO? Of course, this reaction is performed in an efficient fume hood, because you don't want to … 1.CaO + H2O → Ca(OH)2 2. ___HgO → ___Hg + O2 3. 1 0. As the Hg is already balanced, we need to multiply the reactant side HgO by 2 to makes two oxygen on this side. 1, 2,2 B. 2HgO => 2Hg+O2 . capitanme168 capitanme168 Respuesta: You end up with a test tube where mercury metal condenses on the top of the test tube. Word equation: Mercury + Oxygen gas → Mercury (II) oxide. The yellow form can be obtained by precipitation of aqueous Hg 2+ with alkali. The red form of HgO can be made by heating Hg in oxygen at roughly 350 °C, or by pyrolysis of Hg(NO 3) 2. La ecuación de la reacción. Type of Chemical Reaction: For this reaction we have a combination reaction. 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 Dylan M. 1 decade ago. 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