With regards to observations, what corrosion is happening to each nail being placed in agar plates with iron hexacyanide? (include species that are being oxidised and reduced

Q: Define Corrosivity tests

A: Metals are defined as chemical species that have a tendency to lose electrons and form positive…

Q: 1- In the picture above, what are the observed observations by which to judge this type of…

A: Corrosion is a process involving conversion of metal into an undesirable metal oxide when exposed to…

Q: ustify the following statement 1. EMF of a cell is always positive. 2. Zinc displaces copper from…

A: 1. EMF of a cell is always positive - False, it can be negative also. 2. Zinc displaces copper…

Q: reduction potentials to calculate the equilibrium constant for the reaction: Hg"(aq) +…

A: From standard reduction potential data, E°cell = E°c - E°a   = -0.855 - 0.77 = -1.655 V  log(K) = n…

Q: y the fan cens 23. Consider the standard reduction potentials V for the reactions below. Zn (aq) →…

A: we know, in a galvanic cell, oxidation takes place on the left-hand side which is the anode and…

Q: 1- In the picture above, what are the observed observations by which to judge this type of…

A: Corrosion is a natural process that converts a refined metal into a more chemically stable form such…

Q: Determine the temperature at which the redox couples are in equilibrium considering that the…

A:

Q: Please with complete solution and good penmanship

A: Dear student, this question is related to electrolytic cell.

Q: Solution please. Try only if sure. What is the electrochemical potential of a corrosion cell…

A: The above question can be solved as:

Q: Explain the following factors of corrosion (1). Nature of the meaty (2). Nature of the corroding…

A: Interpretation -  To explain these following factor of corrosion that is (1). Nature of the meaty…

Q: how to find out which side of a redox reaction will be favoured if temperature has been disturbed?

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Q: Give the two half reactions for the following electron-transfer reaction: Mn(s) + Ni²+ (aq) L Mn²…

A: Answer:

Q: A concentration cell is based on the aqueous reaction Cu*(1.00 M) → Cu²*(0.0100 M) The cell consists…

A: The electrolyte copper(II) sulfate, provides a high concentration of copper(II) ions Cu2+ and…

Q: hand

A: The strength of oxidants and reductants on opposite side of redox equations correlate oppositely -…

Q: 44. Aluminum (E° Al3+/Al = -2.07 V) is more easily oxidized than iron (E3+ = -0.477 V), and yet when…

A: Aluminum is more easily oxidized than iron and yet when both are exposed to the environment ,…

Q: What is the difference between batteries and concentration cells?

A: The difference between batteries and concentration cell given in the following steps:

Q: Balance the following readox reactions in the specified conditions. Be sure to show the work. H2C2O4…

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Q: Write a balanced half-reaction for the reduction of bismuth oxide ion BiO3- to bismuth ion Bi3+ in…

A:

Q: For the cell below, label the following on the diagram provided: Cu|0.10M Cu(NO3)2 || Cu|0.0010…

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

Q: Use the References to access important values if needed for this question. A standard galvanic cell…

A: The addition of hydrogen or decreases in the oxidation state is known as a reduction reaction and…

Q: Why can one not make F2 the same way as Cl2, by electrolysis of a solution of KF in water? Mark the…

A: A) True, F2 is soluble in water and make hydrofluoric acid in water. B)True, standard reduction…

Q: Why must the charge balance in oxidation-reduction reactions?

A: The gain of the electron is named as oxidation whereas loss of electron named as reduction. In terms…

Q: iron object is plated with a coating of tin to protect against corrosion. Complete the sentences to…

A: The objective of this question is to fill the blanks by selecting correct options. It mainly based…

Q: Consider a galvanic cell in which Al3+ is reduced to elemental aluminum and magnesium metal is…

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Q: Copper Nitrate (Cathode) ; Zinc Nitrate (Anode) Based on the given results , answer the following…

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Q: Consider a galvanic cell consisting of the Cr3+/Cr (Eo=-0.74 V) and the Ag+/Ag (Eo=+0.8 V) systems…

A: Since the reduction potential of Cr3+/Cr is more negative than Ag+/Ag, Cr will reduce Ag+ to Ag.…

Q: 2. a) Write the spontaneous half-reactions and the overall reaction for the following proposed cell…

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Q: Copper metal can be produced from a solution containing copper sulphate by passing the solution ver…

A: Answer: As we know that,                           In first case copper sulphate (CuSO4) solution,…

Q: Use diagrams and images to describe the following processes of degradation and give examples of…

A: Degradation 1)Metal Oxidation 2) Polymer solvent attack

Q: A voltaic cell is a device that converts the chemical energy of a spontaneous redox reaction into…

A: Redox reactions are reactions which involve the transfer of electrons from one species to another…

Q: If you have a Boron Doped Diamond electrode system, explain what reactions can be carried out on the…

A: Boron-doped diamond is a conductive material and a candidate electrode material for EDLCs with large…

Q: Enter electrons as e". Use smallest possible integer coefficients. If a box is not needed, leave it…

A: In order to find the feasibility of a reaction, we need the standard reduction potential values for…

Q: Design the cell that would allow you to determine the Ksp of Hg₂Cl₂(s) from electrochemical data.…

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Q: The ETC is a series of REDOX reactions or transfer of electrons that will eventually oxidize water…

A: ETC means electron transport chain. It transfer electrons from electron donors to electron acceptors…

Q: C. To work better as a sacrificial anode, an alloy can potentially be created to have a more / […

A: Since the alloy is serving as an anode. Hence it means the alloy will have more tendency to get…

Q: 3) a) Steel is often coated with a layer of zinc (Zn) if it is to be used outside. What…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: (1.) For first question in the first picture, please refer to this:  The last 3 questions: Based…

A: Zinc metal is used as sacrificial anode for the protection of iron from corrosion.