Examples: Fe, Au, Co, Br, C, O, N, F. Ionic charges are not yet supported and will be ignored. See the alkali metals and alkaline earth metals.. Metals in the reactivity series from aluminium to copper react with oxygen in the air to form the metal oxide. 1. aqueous sodium chloride reacts with aqueous lead (II) nitrate to yield a lead (II) chloride precipitate and aqueous sodium nitrate The reactants are calcium and hydrochloric acid, so Chris added calcium to hydrochloric acid. Replace immutable groups in compounds to avoid ambiguity. Zinc and Lead (II) nitrate react to form Zinc Nitrate and Lead. So hydrogen is H two plus oxygen. In chemistry, a word equation indicates the order of events of a chemical reaction. The reacts of zinc with oxidizing acids such as nitric acid, HNO 3, are complex and depend upon precise conditions. The number of moles and types of reactants yield the number of moles and types of products. 1. Aluminium is the fastest and copper is the slowest of the six. Word equation: Skeleton equation: 8. A word equation is an expression of a chemical reaction or mathematical equation using words rather than letters, numbers, and operators. A reddish brown layer of metallic copper forms in a clear solution of zinc sulphate. The balanced equation will appear above. That would be a word equation if we wanted to do the formula equation, we just need to convert the names into the actual chemical formulas. The products are a salt and hydrogen gas, so Chris would have observed bubbles of gas. 2AlBr 3 + 3 Cl 2 2AlCl 3 + 3Br 2 Single Replacement 3. 2Zn(s) + O2(g) -> 2ZnO(s) 2. Zn + Pb(NO 3) 2 Zn(NO 3) 2 + Pb Single Replacement 2. Aluminum Bromide and Chlorine gas react to form Aluminum Chloride and Bromine gas. Gas is sorry is +02 We try that one more time is owed to become, uh and water is H 20 di hydrogen monoxide great s. So that would be the formula equation. Potassium chlorate when heated becomes oxygen gas and potassium chloride. Zinc metal dissolves in aqueous alkalis such as potassium hydroxide, KOH, to form zincates such as [Zn(OH) 4] 2-. Chemistry: Chemical Word Equations Directions: Write a balanced chemical equation for each of the word equations below. 2K(s) + 2H2O(l) -> H2(g) + 2KOH(aq) 3. Reaction of zinc with bases. Word Equations Answer Key 1. De-code the word equation you wrote to try to re-create Chris's demonstration. The Reactivity Series. Word equation: Skeleton equation: 7. The Reaction of Metals with Air (Oxygen).. Potassium, sodium, lithium, calcium and magnesium react with oxygen and burn in air. Use uppercase for the first character in the element and lowercase for the second character. A piece of metallic zinc is placed in a blue solution of copper(II) sulphate. The resulting solutions contain other species as … Word equation: Skeleton equation: Zinc with oxidizing acids zinc + oxygen word equation as nitric acid, HNO 3, are and. 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