(ii) The thermite reaction can be used to join railway tracks together. Aluminium is used in this reaction to produce iron from iron oxide Fe,0, + 2Al 2Fe + Al,O, Explain why this reaction is a redox reaction.

Q: Complete and balance the following redox reaction in acidic solution 2 CIO, (aq) + 4 H* + 2 CI'(aq)…

A:

Q: Calculate the charge, in coulombs, is required to deposit 1.5 g of solid magnesium from a solution…

A: The answer to the following question is- Given, mass of magnesium = 1.5 g  Molar mass of magnesium =…

Q: Calcium metal is obtained by direct electrolysis of molten CaCl2. If a metallurgical electrolysis…

A: In CaCl2 we have Ca2+ metal ion  hence to convert it into Ca metal, the reaction occurring will be…

Q: The electrolysis of T(Br3 at high temperature produces thallium metal. If a constant electrical…

A: First we have to find how much charge is required for one mol thallium. Then find how much current…

Q: An electrolytic cell contans 50.0 mL of a 0.152 M solution of FeCl3. A current of 0.775 A is passed…

A:

Q: What is the oxidation number of nitrogen in NO2, N2O, HNO3 ?

A: The species formed after electrons transfer acquire definite charge and it is represented by their…

Q: n 2*(aq, 1.0 M), Sn 4*(aq, 1.0 M) || Cu 2*(a . Increasing the size of the cathode. - Increasing the…

A: 1) from the cell notation    Overall cell reaction,  Sn2+ + Cu2+ ---> Cu + Sn4+ Increasing…

Q: Aluminum is produced commercially by the electrolysis of Al2O3 in the presence of a molten salt. If…

A:

Q: 19.95 In the commercial preparation of aluminum, alu- minum oxide, Al,O3, is electrolyzed at 1000°C.…

A: Given: Mass of Al = 3.09 Kg = 3090 g Reaction at cathode:  Al+3 + 3e- → 3Al

Q: Aluminum is produced commercially by the electrolysis of Al, O3 in the presence of a molten salt. If…

A:

Q: in the metallurgy of sodium by electrolysis, why excess of CaCl2 is mixed with NaCl ?

A: Metallurgy of sodium:Formation of metallic fog occurs at molten temperature where melting point of…

Q: Metallic magnesium can be made by the electrolysis of molten MgCl2. (a) What mass of Mg is formed by…

A:

Q: Consider the following redox reaction with nitrogen (N): NO3 + H* + 8e +→ _NH4* a. Balance this…

A:

Q: Calcium metal is obtained by direct electrolysis of molten CaCl2. If a metallurgical electrolysis…

A:

Q: Using the tables in your textbook calculate AG° for the following reaction at 109.3 °C in kJ. 2Na(s)…

A:

Q: Aluminum is produced commercially by the electrolysis of Al2O3 in the presence of a molten salt. If…

A:

Q: Identify the type of reaction, predict the products and balance the following reactions Na + S, à 6.…

A: The balanced chemical reaction is the reaction in which the number of elements present in the…

Q: Aluminum is produced commercially by the electrolysis of Al2O3 in the presence of a molten salt. If…

A:

Q: Determine the mass of Sodium produced when a 22 amp current flows for 7 hr through a cell|…

A:

Q: How long would it take in minutes to plate 1.00 gram of silver to a watch when 9.2 amps are passed…

A: Mass of silver deposited = m = 1.00 g  Current passed I = 9.2 A Atomic mass of Silver M = 107.8682…

Q: Complete and balance the following redox reaction in basic solutio Zn(s) → Zn(OH),²(aq) + H,(g)

A: A chemical reaction is the representation of reactants and products along with their chemical…

Q: Given the thermodynamic data below, calculate the value of the equilibrium constant for the reaction…

A: Given data, ∆H° = 180.50 KJ = 180500 J ∆S° = 24.77 J/K Temperature (T) = 25°C = (273+25) = 298 K

Q: The electrolysis of AℓCℓ3 at high temperature produces aluminium metal. If a constant electrical…

A: Given: current = 10 × 103 mA Or current = 10 × 103 × 10-3 A Or current = 10 A And time = 1 hour =…

Q: 4.) What mass of silver can be plated onto an object in 45 minutes at 9.0 A of current?

A:

Q: 4. Knowing that the standard reduction potential of the redox pair F2 F is Eo = +2.87 V, what…

A: The question is based on the concept of electrochemistry. We have been given standard reduction…

Q: In the redox reaction 6 Fe2* + Cr,0,² + 14 H* → 2 Cr** + 6 Fe³+ + 7 H,0, what is the reducing agent?

A: Oxidation :  The process of addition of oxygen or removal of hydrogen or increase in oxidation…

Q: one of the following metals is used as oxidizing agent a. Ca b. Na c. Fe+2 d. Fe+3

A: Oxidising agent :- The oxidizing agents are those species which can oxidise other species and can…

Q: What is the chemistry behind why the presence of salt will increase rusting of metals?

A: The solution is given below -

Q: What is the half reaction corresponding to the conversion of FeO42- to Fe(OH)3?

A: In the conversion of  FeO42- to Fe(OH)3 the Fe ion is basically converting from 6+ to 3+ state.…

Q: Is it possible to use potassium iodate instead of potassium permanganate for the purpose of…

A: Is it possible to use potassium iodate instead of potassium permanganate for the purpose of…

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: Aluminum is produced commercially by the electrolysis of Al203 in the presence of a molten salt. If…

A: Total current, I = 1.09 million Ampere                           = 1.09×106 Ampere Time, t = 3 hr…

Q: In the electroplating of nickel, 0.200 faraday of electrical charge is passed through a solution of…

A:

Q: Aluminum is produced commercially by the electrolysis of Al2 03 in the presence of a molten salt. If…

A: Given data :

Q: Aluminum is produced commercially by the electrolysis of Al2O3 in the presence of a molten salt. If…

A:

Q: 瓦,可 212 106% Q 6: Galvanic cell presented as Fe/Fe2 //Co²/Co, If reduction potential of iron = -…

A:

Q: 0.115 V, what is the value of the standard free energy (in kJ) for this reaction?

A:

Q: Use standard reduction potentials to calculate the standard free energy change in kJ for the…

A: standard raduction potentials

Q: (a) Arrange the following metals in decreasing order of their reactivity Cu, Ca, Mg, Na, Zn. (b) You…

A: Reactivity Cu, Ca, Mg, Na, Zn can be arranged by the following way :

Q: 2.284 g of tin was oxidized through the titration. What is the mass percent of tin in the original…

A: Given-> Weight of tin(Sn) = 2.284 gm Weight of ore sample = 10.00 gm

Q: Electric generating plants transport large amounts of hot water through metal pipes, and oxygen…

A:

Q: Aluminum is produced commercially by the electrolysis of Al2O3 in the presence of a molten salt. If…

A:

Q: 2. Which of the metal(s) Ni , Ca, K, Fe, Ag, will not react in an aqueous solution of Al(NO,); to…

A: generally more  metals react with metal salts to displace the metal present in the metal salt  it is…

Q: Magnesium metal (a component of alloys used in aircraft and a reducir used in the production of…

A: Density of seawater = 1.026 g/cm3

Q: How are atomic size, IE₁, and EN related to redox behaviorof the elements in Groups 1A(1), 2A(2),…

A: Atomic Radius -It is the distance between the nucleus of the atom to the last electron containing…

Q: during the electrolysis of aqueous solution (NH4) 2SO4, what is the reaction of the environment that…

A: Electrolysis is a technique in which the electric current passes through the solution known as the…

Q: How many hours does it take to form 15.0 L of O2 measured at 750 torr and 30°C from water by passing…

A: According to Faraday's first law ,when current is passed through an electrolytic solution, the…