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