true or false(a) if a substance is oxidised, it is gaining electrons.(b) if an ion is oxidised, its oxidation number increases.

Q: Aqueous solutions of ammonia 1NH32 and bleach (active ingredient NaOCl) are sold as cleaning fluids,…

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Q: The fluoride ion reacts with water to produce HF. (a) Write out the chemical equation for this…

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Q: Write a balanced chemical equation for each of the following decomposition reactions: (a) Magnesium…

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Q: Complete and balance the equation for each of the following combination reactions (a) ? Na(s)+?…

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Q: Calculate the molarity of each of the following solutions:(a) 293 g HCl in 666 mL of solution, a…

A: Molarity (M) of a solution is defined as the number of moles of solute dissolved per volume of the…

Q: Write the balanced chemical equation for the following and identify the type of reaction in each…

A: (a) Potassium bromide(s) + Barium iodide(aq) = potassium iodide(aq)+Barium bromide (s). The balanced…

Q: (a) Based on the following equation, calculate the mass of calcium phosphate required to produce…

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Q: Write the net ionic equation for the precipitation reaction in aqueous solution of barium nitrate…

A: The chemical reaction for the precipitation of the aqueous solution of barium nitrate and sodium…

Q: Write a balanced equation describing each of the following chemical reactions.(a) Solid potassium…

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Q: Write a balanced chemical equation for the reaction between sodium carbonate and hydrochloric acid…

A: Balanced chemical equation is that where number of atoms on reactants and product side are equal.

Q: (a) A strontium hydroxide solution is prepared by dissolving12.50 g of Sr(OH)2 in water to make…

A: Molarity of the solution is defined as the number of moles of solute per liter volume of the…

Q: Magnesium carbonate, magnesium oxide, and magnesium hydroxide are all white solids that react with…

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Q: (a) Calcium and chlorine react to give calcium chloride in a combination reaction. Write and balance…

A: A chemical reaction is symbolic representation of the conversion of substances to new substances.In…

Q: A key step in balancing chemical equations is correctly identifyingthe formulas of the reactants and…

A: (a) The balanced chemical equation for this combination reaction, having correctly identified the…

Q: With the advent of techniques such as scanning tunneling microscopy, it is now possible to “write”…

A: Given:Surface is 20 atoms high and 14 atoms wide.Number of Platinum atoms = 20 atoms × 14 atoms =…

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A: reaction occur when aqueous solutions of manganese(II)sulfate react with potassium carbonate.…

Q: Complete and balance the following reactions (if no reaction, write NR). (A) Al(s) + HCl(aq) (B)…

A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only.…

Q: (d) sodium cnionae is an ionic compound.  ltcontains sodium ions, Na+ and chloride ions, CI- When…

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Q: The reaction between hydrogen gas and oxygen gas. (i) Using correct scientific terminology, DESCRIBE…

A: Hydrogen molecules violently react with oxygen when the existing covalent bonds within the H2…

Q: Does a reaction occur when aqueous solutions of lead(II) nitrate and barium chloride are combined?…

A: The reaction occur when aqueous solutions of lead (II) nitrate and barium chloride are combined

Q: (b) An unknown mass of Na;PO<(s) is dissolved in water to form 50.00 mL of solution. This is…

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Q: 8. For each of the following reactions, predict the products, converting each to a balanced formula…

A: Balanced chemical equation of a reaction is written according to law of conservation of mass.General…

Q: (a) P + 0, → P;0, (b) K,0 + H,0 –→ KOH (d) FeCl, + NAOH Fe(OH)3 + NaCl (e) AGNO, + H,S → Ag,S + HNO,…

A: Balanced equations for the given reactions are : a) 4P+5O2 →2P2O5 b) K2O +H2O →2KOH c) 2AlBr3…

Q: How many grams of lead (IV) chloride would precipitate if a 240 g sample of nickel (II) chloride was…

A: In a balanced chemical reaction the reactants react and the products form in the molar ratio of…

Q: When each of the following pairs of aqueous solutions is mixed, does a precipitation reaction occur?…

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Q: (a) Write the balance equation for the reaction of sulfuric acid and barium hydroxide. (b).What is…

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Q: Consider the reactions described below. Classify each as one of the four categories of reactions…

A: In chemistry depending upon the reaction conditions different types of reactions exist:…

Q: 5. Write the equations for the neutralization reactions (a) between Magnesium Hydroxide and Sulfuric…

A: Neutralization reaction: Acid and base react to form salt and water, this reaction is known as a…

Q: Balance the following chemical equations.

A: In a balanced chemical equation, the number of atoms of each element , on left side and right side…

Q: What happens when you mix an aqueous solution ofsodium nitrate with an aqueous solution of barium…

A: Precipitation reaction It is the reaction that forms insoluble salts on reaction of salts. Compounds…

Q: Bromine forms three compounds with phosphorus. The compounds have the molecular formulae PBR3, PBr5…

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Q: A 0.8571 g sample of iron ore is dissolved in acid, the iron is oxidized to the +3 state and then…

A: The mass of the iron ore sample is = 0.8571 g The mass of iron(III) oxide is = 0.1132 g The molar…

Q: Calcium hydride reacts with water to form calcium hydroxideand hydrogen gas. (a) Write a balanced…

A: a. Calcium hydride reacts with water to form calcium hydroxide and hydrogen gas.  The balanced…

Q: When a solution of copper(II) chloride, CuCl2, is added to a solution of potassium sulfide, K2S, a…

A: When a solution of copper(II) chloride, CuCl2, is added to a solution of potassium sulfide, K2S, a…

Q: 5. Balance the following equations and write the corresponding ionic and net ionicequations (if…

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