The concentrations of Na+ ions in red blood cells (11.0 mM) and in the surrounding plasma (148.0 mM) are quite different.

Q: When molten lithium chloride, LICI, is electrolyzed, lithium metal is liberated at the cathode. How…

A: To calculate mass of lithium liberated:   Molar mass of lithium = 7 g  So, it means 1F = 96500 C…

Q: Consider the following reaction: Co2+ (aq) + Fe (s) → Co (s) + Fe2* (aq) In the reaction as written,…

A: To solve this problem we have to decide which is reduced and which is oxidized .

Q: In acidic conditions, manganate(VII) ions are reduced to manganese(II) ions, Mn. In neutral…

A: The balanced equations for the reduction of manganate(VII), MnO4-(aq) in acidic and neutral medium…

Q: What quantity of electric current is required to deposit 0.750 g of Pt(s) from a solution containing…

A: The number of moles of a substance is defined as the mass of the substance upon molar mass.The…

Q: A galvanic cell is constructed with a copper electrode dipping into a 0.023 M solution of Cu2+ ions,…

A: Given that, Galvanic cell constructed with to half cells  Cu/Cu2+ is one electrode and Mg/Mg2+ is…

Q: The following electrochemical cell is constructed at standard state: Mg(s) | Mg2+ || Cr2+ | Cr(s) a)…

A: Answers are explained below.

Q: increasing oxidizing power.

A:

Q: 2Co3+(aq)+2Cl−(aq)→2Co2+(aq)+Cl2(g).  E∘=0.483 V what is the cell potential at 25 ∘C if the…

A: Given reaction: 2Co3+(aq)+2Cl−(aq)→2Co2+(aq)+Cl2(g)  E∘=0.483 V [Co3+]= 0.896 M [Co2+]= 0.548 M…

Q: Conductivity measurements of aqueous solutions of MgCl₂ (strong electrolyte) were done and the…

A:

Q: b How much energy is evolved or absorbed as heat in the oxidation of 12.0 g of NH3? Heat of…

A: Enthalpy is a amount of heat evolved or absorbed for a chemical changes at constant pressure.

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A:

Q: Balance the following reactions in acidic medium add H+ or OH - depending on what medium the…

A: The balanced half-cell reactions are: Oxidation half-cell:C2O42- (aq)   →2 CO2 (g)  + 2e-×6Reduction…

Q: Using the cell potentials found on page 815 of your textbook, calculate the equilibrium constant for…

A: Sr(s) + Ca2+ ---> Sr2+ + Ca(s)

Q: Identify the oxidizing and reducing agents in the thermite reaction Fe2O3 1 2Al ¡ 2Fe 1 Al2O3, which…

A:

Q: ) Determine the cell potential, Eo, for an electrochemical cell described by the following cell…

A:

Q: For a given equation: 2H2O(l) + Cr3+(aq) Mn2+(aq) → MnO2(s) + 4 H+(aq) + Cr (s) the reaction…

A:

Q: Which of the following factors does not affect the electrode potential of an electrode? Size of the…

A: Temperature ,metal and molarity of solution affect the electrode potential .

Q: Fill in the Blanks Type your answers in all of the blanks and submit Using the standard reduction…

A:

Q: Why is the formation of iron hydroxide, Fe(OH)2, from Fe2+ and OH- not considered a REDOX reaction?…

A: Redox reaction is a kind of chemical reaction in which transfer of electrons occurs between two…

Q: a) Substances A, B, and C can all act as oxidizing agents. In solution, A is green, B is yellow, and…

A: We are given 3 substances A, B and C whose colors are respectively green, yellow and red. Their…

Q: (ii) The thermite reaction can be used to join railway tracks together. Aluminium is used in this…

A: Ans

Q: Substances A, B, and C can all act as oxidizing agents. In solution, A is green, B is yellow, and C…

A: Given :  A , B and C all are oxidising agents and reduces to A- , B- and C- respectively.  In…

Q: What is the osmotic pressure (in atm) needed to maintain a cell that contains 0.749 M of CaCl2, an…

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Q: Substances A, B, and C can all act as oxidizing agents. In solution, A is green, B is yellow, and C…

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Q: An electric current is passed through two electrolytic cells connected in series (same amount of…

A: According to Faraday's law of electrolysis we can write,  m = ItM/Fv Where m = mass of metal I =…

Q: A hypothetical neuronal cell shows the following intracellular and extracellular concentration of…

A: Note; Since you have posted a question with multiple sub-parts, we will solve first three subparts…

Q: PS-1. Bioenergetics In photosynthesis, the following processes are happening: - O2 + 4H* + 4e - CH2O…

A: During the process of photosynthesis, carbon dioxide is reduced to glucose and water is oxidized to…

Q: who are the reducing and oxidizing agent in the following reaction: H20 2 Cu(OH), + 4C,H¿0̟ → µ –…

A: In this question, we will determine the Oxidising agent and reducing agent. How we can determine the…

Q: Which of the following statements is TRUE?   a. Less active metals have greater tendencies to form…

A: Most active metals are s-block element's. And less active metals are gold , silver , platinum.

Q: If it is impossible to determine the cell potential of a single electrode, how did scientists…

A: Answer - it is impossible to obtain the electrode potential for a single electrode?   • It is due to…

Q: What is the value of the equilibrium constant (Keq) when the following redox reaction takes place at…

A:

Q: Use your balanced redox reaction to calculate the moles of your metal, Mt, that oxidized. balanced…

A: First calculate the moles of hydrogen gas using ideal gas equation.

Q: The membrane of a borosilicate glass has an electrode has an resistance of 50-500M ohms. True or…

A: Borosilicate glass is made of mainly SiO2 which has very less value of resistance, in 1 m lenth of…

Q: Titration of 0.1756 grams primary standard sodium oxalate (134.00 g/mol) dissolved in 50 mL water…

A: The question is based on the concept of redox titrations. We are titrating a standard Sodium oxalate…

Q: . Solutions of aqueous ammonia, NH3 (aq), and acetic acid, CH3COOH (aq), of equal concentrations…

A:

Q: (ii) The thermite reaction can be used to join railway tracks together. Aluminium is used in this…

A: Definition of redox reaction is, In redox reaction one species is oxidize and other is reduced.

Q: Using the table of standard electrode potentials, decide which of the following statements is…

A: a) Cl2 can oxidize Cd, and Al3+ can reduce Cu2+. Observing the given standard reduction potential…

Q: Why do more concentrated or stronger reducing agents tend to give smaller nanoparticles?

A: The role of the reducing agent is to give electrons to ions to form atoms. These atoms develop into…

Q: 4. Potassium dichromate, K,Cr,O,(aq), is a bright orange compound that can be reduced to a…

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Q: SORU-13 )Boy birak - The potential created between the metal and the solution in equilibrium is…

A: 4 statements are given . In which more than one statement can be wrong . We have to pick wrong…

Q: Calculate the mass, in grams, of CuCl, (MW = 134.452 g/mol) required to prepare 100.0 mL of a 2.02…

A: CuCl2 is an ionic compound which will dissociate completely into ions as per the reaction  =>…

Q: At 18°C a 0.001-M aqueous solution of potassium hydrogen carbonate, KHCO3 , conducts a current in a…

A: Potassium bicarbonate dissolve in water. It dissociate into water to produce potassium ion ( K+)…

Q: Briefly explain the concept of normal potential and why salt water causes cast iron to rust.

A: The concept of normal potential and the reason why salt water causes cast iron to rust has to be…

Q: A galvanic cell is constructed with a copper electrode dipping into a 0.023 M solution of Cu²+ ions,…

A: Given, Ecell= 2.86V at 25oC[Cu2+]=0.023MMg(s)   +  Cu2+(aq) → Mg2+(aq)  +  Cu(s)Since we know that…

Q: Write a balanced chemical equation describing the oxidation of chlorine gas by the copper(III) ion…

A: Rules to balance redox Reactions in Acidic  Aqueous Solutions Balance elements in the equation…

Q: The behaviors of four different solutes when dissolved in water are indicated by the four equations…

A:

Q: 5.) In the notation: H+│H2││Co2+│Co, Co2+(aq) + 2e- → Co(s) is the oxidation potential. True or…

A: The Given notation is showing the Galvanic  cell representation  .