[Atomic mass: C = 12, H = 1, Br = 80]  (b) Calculate the mass of: (i) 10 22 atoms of sulphur. MATERIAL AND METHOD Lateritic nickel ore sample was taken … The reactants are calcium and … It is classified as strongly acidic and can attack the skin over a wide composition range, since the hydrogen chloride completely dissociates in an aqueous solution. A B; Solids aluminum and sulfur react to produce solid aluminum sulfide: aluminum(s) + sulfur(s) ---> … Hydrochloric acid is the simplest chlorine-based acid system containing water. transition metal hydroxide + hydrochloric acid transition metal + sulfuric acid Insoluble metal oxides and metal hydroxides (bases) will not dissolve to form an alkaline solution. The reaction between alkanenitriles … B. C. 3. When you flip the card the answer will appear so that you can check it. 1 … Audio 0:16:07.721765; An equation showing the complete … c. Na2OH. The ionic equation for the reaction between nickel carbonate and dilute hydrochloric acid : NiCO₃(s) + 2H⁺(aq) → Ni²⁺(aq) + H₂O(l) + CO₂(g) 2 0. Sodium sulfate; Copper chloride; Hydrochloric acid; Zinc oxide; Calcium nitrate; Writing word equations. NaOH. Here it is...but the honesty is up to you. zinc + hydrochloric acid..... +  (c) The following statements are about the procedure for making crystals of hydrated zinc sulfate from zinc and dilute sulfuric acid. Some of you have asked for more practice in writing word equations. When a piece of magnesium metal is placed into dilute hydrochloric acid, it dissolves rapidly and effervescence of colourless, odourless gas is produced which gives a ‘pop’ sound when it is lit up. Do not forget the symbols we used in class. The reaction produces two moles of aluminum chloride and … If the word equation is incomplete, complete it and write the balanced chemical equation. H. 8. If the word equation is complete, write and balance the chemical equation. Write balanced molecular and net ionic equations for the reactions of Hydrochloric acid with Nickel. Concentrated Hydrochloric acid . Top Answer. The dissolution of lateritic nickel ore in hydrochloric acid solution with hydrogen peroxide was investigated. It is then plated with chromium. B. word equation: calcium + hydrochloric acid → calcium chloride + hydrogen gas : PAUSE: PAUSE to Ponder Plausibility : Have you answered the question? 21. Nickel (II) chloride and lead are formed when lead (II) chloride reactions with nickel. 6. C. C. 3. Reaction speed of hydrochloric acid to iron and zinc at normal body temperature and the reaction’s effect on human metabolism Martti Tarro Extended Essay Word count: 3,589 Advisor: Erkki Tempel Tartu 2012 . one relevant observation. Answer Save. To balance a chemical equation, it may be necessary to adjust the a. formulas of the products. Which observation does not indicate that a chemical reaction has occurred? As the reacting acid is hydrochloric acid, then the salt produced will be a chloride. 2. magnesium + hydrochloric acid → magnesium chloride In this type of reaction an acid reacts with a metal to produce a salt and hydrogen. Complete the word equation for this reaction. 5. Wiki User Answered . As the reacting metal is magnesium, then the product must be a magnesium salt. Explain your answer. 2 Answers. (2 marks) (Marks available: 3) Answer The equation is: Zinc + Hydrochloric Acid(Dilute)→ Zinc Chloride + Hydrogen gas Concentrated Nitric acid . Find the molecular formula. a) Write a word equation for the reaction between nickel carbonate and hydrochloric acid. The reaction between Copper Oxide, which is a base, and Hydrochloric acid, which is an acid, is called a neutralization reaction. The gas produced in hydrogen. (b) Dilute hydrochloric acid reacts with zinc. 3. Word equations should be completed as word equations, and chemical equations should be completed as balanced chemical reactions. In general an acid reacts with a base to produce a salt and water. Relevance. The products of electrolysing hydrochloric acid are hydrogen gas and chlorine gas. The acid concentration was 1.0 mol/dm 3 and in excess so all the limestone dissolved. (f) Write the equation for each of the following reactions:  (i) Sulphur is heated with concentrated sulphuric acid. Write an equation for the precipitation reaction that occurs (if any) when you mix solutions of sodium nitrate and lithium sulfate. triple. (iv) Concentrated sulphuric acid is … A. Nickel Carbonate + Hydrochloric Acid ----> ? The reactants include elements which must also be present in the products. b. number of products. The gases formed on the electrolysis of the … To balance NaOH + HCl = NaCl + H2O you'll need to be sure to count all of atoms on each side of the chemical equation. The combustion of propane releases carbon dioxide and water vapor into the air. (a) The equation for stage 1 is Fe + H 2SO 4 FeSO 4 + H 2 (i) Write a word equation for this reaction. Complete the following neutralization reactions. Question 4: (a) An organic compound with vapour density = 94 contains C = 12.67%, H = 2.13% and Br = 85.11%. NiCO3 + 2HCl = NiCl2 + H2O + CO2. As a result of the literature review, no study was found on the optimization of the dissolution of lateritic nickel ore for this medium. Relevance. Acid and alkali, copper oxide + sulfuric acid → copper sulfate + water; Acid and metal, zinc + hydrochloric acid → zinc chloride + hydrogen; Synthesis, magnesium + chlorine → magnesium chloride; Displacement, copper + silver … Write and balance equations from words. (1 mark) b) Which of the graphs shows the reaction that had the most concentrated hydrochloric acid? Thanks :) Update: Don't make fun if this is wrong: I've tried! d. coefficients. The reaction was followed by measuring the volume of carbon dioxide given off over a period of 6 minutes.  Answer . Acetylene (C 2 H 2), also known as ethyne, is produced along with calcium hydroxide when calcium … The general word equation is: metal + acid → salt + hydrogen The type of salt produced depends on the type of acid and metal used. Answer as follows: (i) correct item from B matching sodium chloride. This experiment can be done safely, but safety goggles should always be worn when working with corrosive acids. D. Concentrated Acetic acid (v) The organic compound having a . ; nickel sulfide ; calcium nitrate ; Writing word equations 2 for each of the reactions... For each of the above reactions using the Hoffman voltammeter with platinum (... The honesty is up to you given off over a period of 6 minutes acid with... Of carbon dioxide and water so all the limestone dissolved, it was aimed to determine leaching... Made up of a metal reacts with Zinc if any ) when you the! 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