How many coulombs are required to plate a layer of chromium metal 0.25 mm thick on an auto bumper with a total area of 0.32 m2 from a solution containing CrO4 2-? The density of chromium metal is 7.20 g>cm3.

Q: In which compound is the oxidation state of oxygen (a) O2 (b) H2O (c) H2SO4 (d) H2O2 (e) KCH3COO?

A: Solution-Oxygen generally has an oxidation state of -1 in case  there is an (-O-O_) single bond; (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: sample of iron ore weighing 0.2732 g was dissolved in an excess of a dilute acid solution. All the…

A: Given sample of iron ore weighing 0.2732 g  24.70 mL of 0.0174 M KMnO4 for oxidation to Fe(III) ions…

Q: What is the oxidation number of sulfur in S₂O3²-? O +2 O +4 0-2

A: We charge on oxygen atom is -2 . The oxidation state of an anionic compound is equal to the charge…

Q: Complete and balance the following redox reaction in acidic solution TeO, (aq) + N,O,(g) → Te(s) +…

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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: What is the oxidation number of element X in in KHXO3? OA +4 O B. +2 OC -4 O D. +6 O E -3

A: Oxidation number of the elements;

Q: (2) 3luaai What mass of KMNO4 must be dissolved to prepare 1.25 L of O.110 N KMNO4 solution? (K =39…

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Q: The following reactions are all similar to those of the industrial chemicals. Complete and balance…

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Q: Complete and balance the following redox reaction in acidic solution PbO2(aq) + 12(s) → Pb2 (aq) +…

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Q: If 612 C of charge is passed through a solution of Cu(NO3)2(aq), calculate the number of moles of…

A: A numerical problem based on Faraday's law, which is to be accomplished.

Q: What is the oxidation number of phosphorus in KH2PO4?

A: Oxidation number: The covalent bond between the atoms of different electronegativity is polar. If we…

Q: Put the following in order of decreasing oxidizing strength in acidic solution. Hg2* (aq), CIO3…

A: Given : To determine the order of decreasing oxidizing strength in acidic solution.

Q: Which of the species can be oxidized with 1M HBr? a. Na b. Hg c. Pb d. Mn2+

A: A reducing agent or reductant is species that help in reduction and itself undergoes oxidation . It…

Q: Explain the role of each of the following: (i) NaCN in the extraction of silver. (ii) Si02 in the…

A: Extraction of metals: As metals are found in mines in combined state in ores. It is necessary to…

Q: Consider the following equation in aqueous solution: Cr.O(aq) + S:O: (aq) Cr (aq) + S.O2(aq) Given…

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Q: Assign oxidation number of the manganese in K2MNO4: а. +6 O b. +2 О с. +4 O d. +7

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Q: How many grams of lead may be formed by the passage of 7,727 C through an electrolytic cell that…

A: The mass of any substance deposited via electrolysis is calculated using Faraday's first law of…

Q: For cach of the following compounds, give the oxidation state of each element in the compound. a.…

A: Since you have posted multiple questions with multiple sub-parts, we will solve the first three…

Q: What is oxidation number of metal in [Rn(NH3)5Cl](NO3) 2

A: [Rn(NH3)5Cl](NO3) 2          in this Complex compound, there is 3 different ligands are present.…

Q: h form with alkali metals and alk

A: As per rule, allowed to answer one question at a time and post the remaining in the next submission.

Q: How many coulombs would it take to deposit 1.0 g of Ag from solution of silver nitrate.

A: The given data contains, mass of Ag deposited = 0.1 g. Molar mass of Ag = 107.9 g/mol.

Q: How many coulombs are required to plate a layer of nickel metal 0.125 mm thick on a coin with a…

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Q: . The flotation process used in metallurgy involves __________. a.chemical reduction b.the roasting…

A: 1) The flotation process used in metallurgy involves

Q: Complete and balance the following redox reaction in acidic solution Teo, (aq) + N,O,(g) Te(s) + NO,…

A: a) The reaction taking place is given as, => TeO32- (aq) + N2O4 (g) -------> Te (s) + NO3-…

Q: write the balanced NET ionic equation for the reaction when Mn(C2H3O2)4 and (NH4)2S    are mixed in…

A: In this question, we will write  NET ionic equation.  You can see details Solution below step by…

Q: What charge, in coulombs, is required to deposit 0.205 g Ag(s) from a solution of Ag *(aq)? О а. 197…

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

Q: How many grams of silver metal are produced from Ag*(aq) in 4.05 h with a current of 3.50 A? (F =…

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Q: What is the oxidation state of an element, like Cu or F2? O-1 02

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Q: What is the oxidation number of K in KMnO4 (OR K Mn O4)?

A: Oxidation number: The covalent bond between the atoms of different electronegativity is polar. If we…

Q: What are the oxidation steps of manganese in K5 [Mn (CN) 6NO], Na3MnO4 and KMnO4 compounds?

A: The oxidation state or oxidation number is the hypothetical charge that an atom would have if all…

Q: In an analysis of a sample for its tin content, titration requires that Sn²* is converted to Sn**.…

A: Hare oxidation of Sn takes place - Sn2+           Sn4+ + 2e The titrant, that oxidize Sn2+ to Sn4+…

Q: How many moles of Al3+ would be electrolyzed to Al(s) with the same amount of electricity that…

A: According to Faraday law of electrolysis - The amount of substance deposited at electrode is…

Q: (a) Si in SiO2 (b) N in NH4+ (c) N in NH3 (d) N in N2O

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Q: All of the following may get oxidized EXCEPT O a. Fe2+ O b. Mn04- O C. Na O d. NO2-

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Q: One of the steps for refining silver involves converting silver into dicyanoargenate(I) ions:…

A: Balancing of reaction – A chemical reaction involves reactants and products. According to law of…

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: 10 Calculate the oxidation number of: Cl in Ba(CIO;)2 a b S in S2O,2

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Q: Support it with the correct solution 1. What mass of aluminum oxide must be electrolyzed with…

A: In Hall's process for the industrial production of Al(s), the below half-reactions takes place in…

Q: Write the balanced half-reaction for the oxidation in acidic solution. (aq) + 2 e + H,O (1) → PO,3-…

A: Solution- oxidation-PO33+ +H2O → PO43+  + 2H++2e-×3reduction- SO2+4H++6e- → S-+2H2O×1After…

Q: Great Lakes Chemical Company produces bromine, Br2, from bromide salts such as NaBr, in Arkansas…

A: A balanced reaction is the reaction where the number of atoms of each element is same on both…

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: Basic solutions of Na4XeO6 are powerful oxidants. What mass of Mn(NO3)2•6H2O reacts with 125.0 mL of…

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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: Complete and balance the following redox reaction in basic solution Pb* (aq) + 10, (aq) → PbO2(s) +…

A: Redox reaction:Redox reaction is a type of chemical reaction in which the oxidation states of atoms…

Q: How many coulombs will it take to deposit 8.97 g of metallic copper on the cathode from an aqueous…

A: The metal will be reduced at cathode as follows: Cu2+(aq)  +  2e-  ------------->  Cu(s).

Q: In order to obtain 599 g of pure aluminum, molten aluminum oxide is electrolysed at 1000 °C. (a)…

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".