Write the balanced chemical equation for the reduction of boric oxide, B, Oz, with magnesium powder. Do not include coefficients of 1. Do not include the phase information. Provide your answer below: B,O, +O- 2B +|

Q: Using thermodynamic data from the Thermodynamic Data table, calculate AG° at 25°C for the process 2…

A:

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: Describe the equilibrium processes involved in the solvent extraction of metal chelates.

A: Answer - Equilibrium process - Chemical equilibrium, condition in the course of a reversible…

Q: a balanced chemical equation of titanium acetate with ammonia in water

A: The formula for Titanium acetate is: Ti(CH3COO)4   It will dissociate in water as: Ti(CH3COO)4   →…

Q: Gold (atomic mass = 197.0) is plated from a solution of chloroauric acid, HAuCla, it %3D deposits on…

A: Molar mass of gold is :- 197g/mol  It is needed to deposit 0.40g of Au Current passed = 0.10 A

Q: MnO−4 reacts with Fe2+ in acid solution to produce Fe3+ and Mn2+.  Write a balanced equation for…

A: Explanation: Equation involves OXIDATION & REDUCTION reactions Ferrous ion is oxidized…

Q: A sample of bleach has a content of about 2.13% (w/v) in “active chlorine”. For perform its analysis…

A: Given that, Molecular weight of NaClO = 74.45 g/mol Molecular weight of Cl2 = 70.90 g/mol

Q: 7) Calcium metal is obtained by direct electrolysis of molten CaCl2. If a metallurgical electrolysis…

A: Ca2+ + 2e- => Ca.  This shows that 2 mole of electrons is needed for one mole of calcium.  1 mole…

Q: Write complete balanced half-reactions for (a) reduction ofnitrate ion to NO in acidic solution, (b)…

A:

Q: Cuag) + NO2(9) in acidic solution Сu(s) + NO3 (aq) (aq)

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: 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: Hydrogen can be prepared by suitable electrolysis of aqueous cesium (Cs) salts   A. True   B.…

A: As,  2H+(aq) + 2e- ------> H2(g)            E0 = 0 V Cs+(aq) + e- -------> Cs(s)        E0 =…

Q: 2. Write the equations of the reactions. Write the electron balance and put the coefficients and…

A: The oxidation half-reaction and reduction half-reaction for the given reaction is shown in equation…

Q: Based on the data in Appendix E, (a) which of the following is the strongest oxidizing agent, and…

A: If the reagent present in the reaction which would contributes a oxygen, or extracts electron is…

Q: >Sodium peroxide is a very powerful oxidizing agent. Balance the reaction of sodium peroxide with…

A: The reaction between sodium peroxide and elemental iron is an oxidation-reduction reaction.  The…

Q: At 298 K, AG° = +20.9 kJ/mol for the reaction CH;CO,H (aq) = H (aq) + CH;CO, Calculate AG for this…

A:

Q: Complete and balance the following OUTLINED reactions by supplying the products. он + Na* OH (aq) Ka…

A:

Q: Elemental Li and Na are prepared by electrolysis of a molten salt, whereas K, Rb, and Cs are…

A: a) Aqueous salt solutions are mixtures of ions and water. When two half-reactions are possible at an…

Q: Why are sulphide ores converted to oxide before reduction?

A: The main principle of conversion of ores into respective metal is that ores must be changed into…

Q: 3. (a) Rank the relative oxidizing strength of the halogens (Cl, Br and I), and explain your…

A: A question based on general chemistry, which is to be accomplished.

Q: Write complete balanced half-reactions for (a) oxidation ofnitrous acid to nitrate ion in acidic…

A:

Q: Name the principal ore of aluminium. Explain the significance of leaching in the extraction of…

A: Aluminium is generally extracted from bauxite ore.

Q: The metals Mg and Al, like most metals in groups 1A, 2A, and 3A of the periodic table, cannot be…

A: Less-reactive metal such as iron may be extracted by reduction with carbon or carbon monoxide. The…

Q: Outline the principles of refining of metals by the following methods :(i) Distillation(ii) Zone…

A: (i) Distillation: Zinc and Mercury have an extremely low boiling point. So on heating them they very…

Q: Write balanced equations for the following redox reactions: Fe2O3 +  CO ->  Fe +  CO2 in acidic…

A:

Q: What is purification of a metal by electrolysis?

A: Hello. Since multiple questions have been posted, the first question shall only be solved in this…

Q: Why does the fracking chemical Acetic Acid prevent precipitation of iron?

A: Fe3+(aq) is precipitated as Fe(OH)3 under basic conditions.  The equilibrium reaction for the…

Q: a) The half-reaction for formation of magnesium metal upon electrolysis molten MgCl2 is Mg2+ + 2e-…

A: a) From Faradays first law, weight of the substance deposited, W = ZQ Z = E/F = equivalent…

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

A: The solution is given below -

Q: 7. Note that there are two entries for oxygen gas on the table of standard reduction potentials, one…

A: Under acidic conditions: Reduction potential of oxygen gas = + 1.229 V Under basic conditions:…

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

A: Given data :

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

A:

Q: Aluminum is the most abundant metal in the earth's crust. It is also a common household utensi…

A: A physical change is observed when matter changes its form/ phase but the chemical identity of the…

Q: How strong is Ag as a reducing agent? Where does it lie relative to Cu, Mg, Zn, and Pb? Explain

A: When the standard reduction potential is more positive then the element will be a weak reducing…

Q: Write the complete chemical equation of leaching Cuo in acidic solution which produces Cu²* ions.…

A: Leaching CuO in acidic solution which produces Cu2+ ions. We have to write the complete chemical…

Q: What is the role of NaOH in the metallurgy of aluminium?

A: Given: The extraction of aluminium is done from its ore called bauxite, Al2O3.2H2O. There are…

Q: How much heat (in kJ) is needed to convert 387 g Fe,03 into pure iron in the presence of excess…

A: Given: The weight of Fe2O3 is 387 g. The given reaction is, 2Fe2O3g+3Cs→4Fel+3CO2g ∆H°=+467.9 kJ

Q: 1. Write the equations of the reactions. Write the electron balance and put the coefficients and…

A:

Q: The value of the equilibrium constant for the reaction of nickel(II) ions with cadmium metal is 1.17…

A: Before solving this question we must knowthe folowing concept.suppose an equilibrium reaction :-A(g)…

Q: What is the change in mass (in grams) of the anode if a 19.00 A current runs for 11.40 h during the…

A: Electrolysis is the process of decomposing a substance into their components.  According to faradays…

Q: Given the thermodynamic data in the table below, calculate the equilibrium constant (at 298 K) for…

A:

Q: Aluminum is the most abundant metal in the earth’s crust. It is also a common household utensil…

A: In the step one, the ore is washed and mechanically processed to remove the impurities, and hence…