As shown in figure a reaction vessel initially contains hydrogen and oxygen. which figure best shows the reactions once completed?

Q: Which of the following statements about concrete is FALSE?

A: Concrete is a mixture of paste and aggregates. The paste is composed of portland cement and water.

Q: The drawing below shows a mixture of molecules:

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Q: Which type will have two elements as a reactants.

A: Synthesis reaction will have two different elements or molecules as reactants that interact to form…

Q: How many grams of magnesium hydroxide are required to produce 3.21 moles of water? g

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Q: What must be present in an aqueous solution for it to conduct an electric current? What general…

A: An aqueous solution must contain charged particles called ions for conducting electric current. The…

Q: How do I write only the net ionic equation?Ammonium hydroxide and sulfuric acid?

A: Ionic equation is representation of a chemical reaction in terms of ions.Net-ionic equation is…

Q: During an acid-base reaction, what term is used todescribe the reactant that gains a hydrogen…

A: Acid: An acid may be defined as a substance that has a tendency to donate a proton. based upon this…

Q: Complete the following word equation.Solute + Solvent →

A: A solution is a homogeneous mixture of two substances. A homogeneous mixture in which the…

Q: aqueous solutions of phosphoricacid and potassium hydroxide are mixed together. (Heat is released…

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Q: Name and describe how the first synthetic element was produced.

A: Technetium was the first synthetically produced element by Carlo Perrier and Emilio Segrè in 1937.

Q: Some chemical reactants are listed in the table below. Complete the table by filling in the…

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Q: Directions: Prediet whether or not each of the following single displacement reactions will occur.…

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Q: What is a complete ionic equation?

A: The definition of the complete ionic equation has to be given,

Q: If you could observe atoms and molecules with the naked eye, what would you look for as conclusive…

A: An atom can be considered as the smallest unit of any matter. An atom is composed of certain…

Q: When aqueous sodium carbonate, istreated with dilute hydrochloric acid, HCl, the products are sodium…

A: The net ionic equation for the reaction has to be given.

Q: Write a balanced chemical equation based on the following description: solid C,HO is burned with…

A: Given: Solid C4H10O is burned with oxygen gas to produce gaseous carbon dioxide and water vapor.

Q: Complete the following: (i) A redox reaction involves the between reactants, while the…

A: The fill in the blanks are solved by using the general concepts of chemistry.

Q: What is an acid-base reaction? Give an example?

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Q: Which of the following is an acid base reaction?

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Q: sample of an unkown sulfate compound has a mass of 0.100 g. addition of excess barium chloride…

A: The question is based on the concept of quantitative estimation of percent sulphate present in the…

Q: Iron forms a sulfide with the approximate formula Fe,Se. Assume that the oxidation state of sulfur…

A: Given that,  An iron sulfide compound with molecular formula = Fe7S8 oxidation state of sulfur = -2…

Q: At what masses do the molecular ions occur? What are the percentages of each molecular ion?

A: Bromine has two isotopes 79Br and 81Br with equal abundance i.e. 1:1. The mass of the two isotopes…

Q: The compound calcium nitrate is a strong electrolyte. Write the reaction when solid calcium nitrate…

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Q: The following is the formula for which of the following reactions? H,C НО — Н, + О,

A: In a chemical reaction, reactants react to form the products.  Reactions can be classified into…

Q: The reaction between a strong base and strong acids yields what products?

A: The reaction between a strong acid and a strong base results in the formation of neutral salt with…

Q: What are two products when an acid and base react?

A: Given  Reactant = Acid ,Base  Product = ?

Q: 10 g of Barium hydroxide is added to 500 mL of solution of 1 Molar solution sulfuric acid.  (Hint…

A: The reaction of an acid and a base is called a neutralization reaction. Although acids and bases…

Q: Two solutions, when mixed together at room temperature, producea chemical reaction. However, when…

A: When two or more substances combine resulting in the formation of a new substance, a chemical…

Q: Write a balanced chemical equation based on the following description: propane gas and oxygen gas…

A: This is a general chemistry question which we need to write the balanced chemical reaction. The…

Q: Which of the following reactions will form precipitate?

A: 1. Aci-base reactions :  In these reactions acid and base reacted to give  salt and water    2.…

Q: so whats the net ionic equation?

A: The net ionic equation is needed to be provided.

Q: For the reaction of phosphorous acid 1H3PO32 and potassiumhydroxide (KOH), write (a) the balanced…

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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: If a reaction slows down when the concentration of the reactants get low what type of reaction would…

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Q: what entities are present when zinc metal is placed in water

A: Electrochemistry is branch of chemistry in which we deal with oxidation and reduction

Q: Write the balanced dissociation equation for oxygen diiodide. If it does not dissociate, write only…

A: Concept: Dissociation reaction: Dissociation reactions occur is a type of reaction where one…

Q: magne

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Q: Use the following terms and phrases to complete the concept map: synthesis, net ionic equation,…

A: Chemical reaction:  A chemical reaction is defined as the process of converting one or more…

Q: When carbon dioxide is dissolved in an aqueous solution of sodium hydroxide, the mixture reacts to…

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Q: Provide the formula for acid. phosphoric acid

A: Acids are substances which either donate a proton (H+) or act as electron acceptors. Acids turn blue…

Q: write and balance the chemical equaton for the reactoin of aqueous silver nitrate with aqueous…

A: The balanced chemical equation for the reaction between silver nitrate and potassium phosphate as…

Q: "solid potassium chlorate reacts to form solid potassium chloride and gaseous oxygen."

A: Moleculer formula of Potassium chlorate is KClO3  Moleculer formula of potassium chloride is KCl…

Q: In the picture  shown, the limited reactant is ____. The excesss reactant is ____. The product of…

A: From this picture, the limited reactant and excess reactant has to be identified.

Q: When an acid reacts with a metal carbonate, which one of the following gas is usually released? * O…

A: The reaction of an acid with metal carbonate usually yields a salt, carbon dioxide and water. The…

Q: Which of the following reactions is an acid-base reaction?

A: There are various type of reactions :-  Acid-base i.e. neutralization reaction  Combination…

Q: Write balanced equations for each of the following reactions(some of these are analogous to…

A: a) Aluminum metal reacts with acids to form hydrogen gas. According to the law of conservation of…

Q: what mass of sodium hydroxide will completely neurtalize 1.75 mol of sulfuric acid?

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