Chemistry equation prediction help!!!!!?1) Solid zinc carbonate is added to 1.0 M sulfuric acid2) A solution of hydrogen peroxide is exposed to strong sunlight3) Hydrochloric acid solution is mixed with an equal amount of calcium hydroxide solution.4)Aqueous ammonia is added to solid silver chloride5) Magnesium is burned in oxygen6) A bar of strontium metal is immersed in copper (II) nitrate solutionPlease explain as thoroughly as you can! thank you so so much!
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1) Solid zinc carbonate is added to 1.0 M sulfuric acid. Carbonates react with acids to produce carbonic acid, which immediately decomposes into water and carbon dioxide. The net ionic equation, which I believe is all you have to write, is: 2 H^+1 + CO3^-2 -- H2O + CO2 2) A solution of hydrogen peroxide is exposed to strong sunlight. Sunlight causes hydrogen peroxide to decompose into water and oxygen. 2 H2O2 -- 2 H2O + O2 3) Hydrochloric acid solution is mixed with an equal amount of calcium hydroxide solution. Calcium hydroxide is a base. An acid-base neutralization reaction always has the same net ionic equation: H^+1 + OH^-1 -- H2O Or more appropriately: H3O^+1 + OH^-1 -- 2 H2O 4) Aqueous ammonia is added to solid silver chloride. Ammonia forms a complex with silver ions: Ag^+1 + 2 NH3 -- Ag(NH3)2^+1 5) Magnesium is burned in oxygen. 2 Mg + O2 -- 2 MgO 6) A bar of strontium metal is immersed in copper(II) nitrate solution. Strontium, being a more active metal than copper, displaces it from the compound. Nitrate is a spectator ion and need not be included: Sr + Cu^+2 -- Sr^+2 + Cu I hope that helps. Good luck!
