What is observed when carbon dioxide gas is passed through lime water.(a) for a short duration?(b) for long duration?Also write the chemical equations for the reactions involved.

Q: An electric current is passed through three cells in series containing respectively solution of…

A: According to Faraday's Second Law of electrolysis E1/E2 =W1/W2 Eq wt of copper /eq wt of silver = wt…

Q: Calculate the equilibrium constant for redox reaction between metallic zinc and silver Nitrate?

A: Equilibrium constant for a redox reaction is computed using the standard half-cell reduction…

Q: The oxidation number of a nitrogen atom in N2O3 is

A: The oxidation number gives information about how much electrons an atom has gained or lost.

Q: The chemistry of corrosion of iron is essentially an electrochemical phenomenon. Explain the…

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Q: Oxygen gas is produced on partial decomposition of which of the following compounds on heating? a…

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Q: Suggest the balanced chemical equations for the reaction between the following pairs of compounds.…

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Q: Separate the following redox reactions into their half-reactions, and classify those half-reactions…

A: Oxidation is the loss of electrons. Reduction is the gain of electrons.   Oxidation state of pure…

Q: Please give three examples of metals which are reactive, moderately reactive and non-reactive to the…

A: 1.Alkali metal and alkaline earth metal are most reactive with HCl. Mg+2HCl=MgCl2+H2.  2.Silver lies…

Q: 11- The net ionic equation for the reaction of nitric acid with Lithium hydroxide is

A: The question is based on the concept of chemical reactions. we have to write net ionic equation for…

Q: Define the term half-Reactions?

A: ANSWERE IS DISCUSSED BELOW :

Q: Give one example each of(a) Thermal decomposition(b) Electrolytic decomposition(c) Photo…

A: (a) Thermal decomposition Example: Copper carbonate → copper oxide + carbon dioxide.

Q: How is a hydride ion diff erent from a hydrogen ion? What is the involvement of both ions in redox…

A: Ions are formed by the losing or gaining of electrons from a neutral atom. The ions with positive…

Q: (a.) An aqueous solution of cobalt(II) nitrate is combined with an aqueous solution of NaOH and a…

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Q: The reaction between nickel metal and hydrochloric acid is not a simple dissolution. Explain why?

A: Dissolution reaction means a solute whether in a form of solid, liquid or gas dissolves completely…

Q: What is the balanced equation for lithium hydroxide solution is product of the reaction of lithium…

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Q: Subterranean brines in parts of the United States are rich iniodides and bromides and serve as an…

A: The halogen that is more likely to form from the treatment has to be given and the reason has to be…

Q: Name two metals which will displace hydrogen from dilute acids, and two metals which will not.

A: Iron and aluminium will displace hydrogen from dilute acids as they more reactive then hydrogen.

Q: What unit is used to measure the magnitude of electrical current?

A: Rate of flow of charge is known as current.

Q: Write a balanced chemical reaction in which iron metal reacts with hydrogen sulfide gas to produce…

A: Introduction: Enthalpy: The amount of heat required or released out when a reactant changes to…

Q: magnesium sulfide + phosphoric acid balanced equation

A: Balanced the given equation --

Q: Please make a sketch in the electrolysis of aqueous potassium bromide and indicate the anode and…

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Q: Write balanced and net ionic equations illustrating the reaction between solutions of lead II…

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Q: The following changes are definitive pieces of evidence of a chemical reaction has occured. Select…

A: What is the evidence that chemical change has occurred.

Q: In a Galvanic cell, a salt bridge is often used. Explain why this is necessary. Describe the…

A: In a Galvanic cell, a salt bridge is often used to maintains electrical neutrality within the…

Q: Subterranean brines in parts of the United States are rich in iodides and bromides and serve as an…

A: The halogen that is likely to form from this treatment has to be given and the reason has to be…

Q: What is the net ionic equation for the reaction of nitric acid and sodium hydroxide?

A: We have given that  the net ionic equation for the reaction of nitric acid and sodium hydroxide  net…

Q: Write the reactions taking place in SHE when it act as anode and cathode? Represent it.

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Q: An unknown compound is found to burn in oxygen. When bromine is added to this unknown, the solution…

A: Saturated hydrocarbons reacts with oxygen to give carbon dioxide and water.

Q: Predict the product and balance the redox reaction  Solid cuprous sulfide is oxidized by hot…

A: When cuprous sulfide reacts with hot nitric acid, products will be cupric nitrate, nitrogen dioxide,…

Q: the oxidation number of a nitrogen atom in N2O3 is

A: Oxidation number or oxidation state can be defined as the number of electrons lose or gain by an…

Q: What is the net ionic equation for the reaction of nitric acid with sodium hydroxide?

A:

Q: Classify  of the listed properties of isopropyl alcohol (also known as rubbing alcohol) as physical…

A: The chemical compound in which one of the carbon atoms is bonded to the hydroxyl group, OH, is…

Q: 27) The cycle of copper reactions illustrates important principles of chemical reactions. The cycle…

A: The equation is:

Q: Solid Zn metal is dissolved in a solution of hydrochloric acid and produces hydrogen gas and zinc…

A: Solid Zn metal reacts with hydrochloric acid and produces hydrogen gas and zinc chloride.

Q: Write a chemical equation for the decomposition of hydrogen peroxide.

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Q: Write the balanced molecular chemical equation for the reaction in aqueous solution for lead(II)…

A: A balanced molecular equation states that the number of molecules o both the sides of the reaction…

Q: Write a balance chemical equation for a test on generating gases of the following: Testing hydrogen…

A: Test of Hydrogen gas A lighted wooden splint makes a popping sound in a test tube of hydrogen. 2H2 +…

Q: Interpreting redox chemistry and why nitrate in the soil decreases.

A: Microbial respiration and soil redox potential of soil is affected by the presence of three soil…

Q: i. Define and explain electrochemical corrosion. ii. Briefly explain the techniques which are mostly…

A: Two questions based on corrosion, which are to be accomplished.

Q: The electrolyte is placed in a special type of cell known as

A: We have to tell the type of cell in which electrolyte is placed

Q: What is the oxidation numbers of both nitrogen atoms in ammonium nitrate.

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Q: Precipitation of the oxalate ion with calcium ion -Reaction of calcium axalate with sulfuric acid…

A: Dear Subscriber! You have posted multipart question. As per our policy we have answered first…

Q: 27) The cycle of copper reactions illustrates important principles of chemical reactions. The cycle…

A: The balanced equation is given below.

Q: Mention the reactions occurring at (i) anode, (ii) cathode, during working of a mercury cell. Why…

A: A voltaic cell is an example of electrochemical cell. It uses a chemical reaction to produce…