Which of these substances are used in the reduction of metal ores? I. II. CO III. O2 IV. H2 O I only O II only O III only O I and II O I, II, and III

Q: Consider the precipitation reactions below: Fe2* + S? → Fes Cu2+ + S? →Cus Zn2* + S² → ZnS Calculate…

A: The standard free energy of a reaction is the difference of Gibbs free energy of formation of…

Q: 1.Silver is sometimes found in nature as large nuggets; more often it is found mixed with other…

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Q: 2 Fe(s) → 2 Fe2*(aq) + 4 e 02(g) + 2 H20(t) + 4 e-4 OH (aq) Moisture Anode reaction Cathode reaction…

A: The rusting reactions given are,

Q: What is the oxidation number for each of the following elements? (e.n.'s: C = 2.5, O = 3.5, H = 2.1)…

A: The compound given is Co(NO3)3.

Q: 13. Which of these substances are used in the reduction of metal ores? I. CO II. С III. O2 IV. H2 a)…

A: Pyrometallurgy Extraction of concentrated metals from its ore. In earth crust the metals found in…

Q: The process of corrosion involves two steps reactions: Oxidation of Fe with O2, and Oxidation of…

A: Corrosion is a process through which metals in manufactured states return to their natural oxidation…

Q: What is the oxidizing agent? 2H+ + Sn + HNO3 → SnO2 + NO2 + H2O (acidic solution)

A: What is the oxidizing agent?2H+ + Sn + HNO3 → SnO2 + NO2 + H2O (acidic solution)

Q: 1. Balance the following reaction equation in acidic solution: Mn0, + Crag) Mnag) 2 + Cr20, Caq)…

A: Given unbalanced reaction is : MnO4- (aq) + Cr3+ (aq) ---------> Mn2+ (aq) + Cr2O72- (aq)…

Q: What element is being oxidized in the reaction below? Mg(s) + Cu2SO4(aq) → MgSO4 (aq) + Cu (s) CUSO4…

A: The oxidation number represents the number of electrons gain or loses by an element to become…

Q: What is the oxidation number of Zn in zinc metal? (Sec. 17.1) (a) 0 (b) -1 (c) -2 (d) -3 (e) none of…

A: We know that most of the metal showing the multiple oxidation number. Oxidation number is represent…

Q: Assign an oxidation state to each element in each compound. a.) Cu(NO3)2 b.) Sr(OH)2

A: The oxidation state of each ion in the given molecules is as follows:

Q: Write the oxidation state below each atom. Mn(SO4)2

A: Given :- Mn(SO4)2  To determine :- oxidation number of each element in the compound

Q: Given the reaction: 2Fe(s) + 3C12(g) --> 2FEC13(s) What is the oxidation state for the reactant…

A: Given :  2Fe(s) + 3Cl2(g) → 2FeCl3(s)  To determine :-  Oxidation state for reactant iron

Q: A metal acts as a good reducing agent. It reduces Fe and Mn0 The reaction with Fe is used for…

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Q: What is produced at the cathode? What is produced at the anode? Pb Cl2 Mg Fe F2 I2 Fe F2 Cl2 Pb O I2…

A: Molten mixture means there is no water vapour

Q: Determine the oxidation number of SS in H2SO3H2SO3 A. +4 B. +7 C. +3 D. +5 E. +6

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Q: 42. Assign oxidation numbers to each element in (b) NaMnO4 (а) НIO3 (c) SnO2 (d) NOF (e) NaO2

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Q: Which of the following metals would be oxidized if exposed to an aqueous solution of Al3+ ions? a.…

A: In this question, we will Identify Oxidized metal in the Al3+ Solution.  How we can identify, you…

Q: Rank the chemicals from weakest to strongest oxidizing agents  a. Cl2 b. Fe2+ c. I2 d. Cu2+ e.…

A: Oxidizing agent: The substance other substance and gets reduced. Generally, the oxidizing agents are…

Q: Copper is found as the mineral covellite(CuS).The step in extracting the copper is to dissolve the…

A: In this question, the given reaction is to be balanced using half reaction method.  Half reaction…

Q: Which is the reducing Agent?    2 Ag(s) + 2Cl⁻(aq) + 2 H₂O(l) → 2 AgCl(s) + H₂(g) + 2 OH⁻(aq) A) Ag…

A: Oxidizing agent is the substance which take electrons or gain electrons from the other substance.…

Q: Rank the following compounds in the order of increasing oxidation levels (lowest to highest…

A: The order of increasing oxidizing levels is given below:

Q: Assign oxidation  numbers  to  each  element.  Write  the  half - reactions.  Label  the  reaction…

A: oxidation is defined as increase in oxidation state of the element. while reduction is defined as…

Q: 1. Write oxidation half-reactions for the metals Ag, Cu and Zn. Ag: Cu: Zn:

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Q: 1. Calculate the oxidation number of each element present in the following substances. a) FeO b)…

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Q: The following skeletal oxidation-reduction reaction occurs under acidic conditions. Write the…

A: The given redox reaction is as follows, The above reaction contains both oxidation and reduction…

Q: How is chemical reduction different from electrolytic reduction? Name a metal each which is obtained…

A: Chemical reduction is the process of separating a less electropositive metal from its compound by…

Q: Find the element with the highest oxidation number in each of the following formulas: 1.Na2Cr2O7…

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

Q: Complete and balance the reaction in acidic solution. ZnS + NO3- > Zn 2+ + S + NO

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Q: Determine the oxidation number of manganese in NaMnO4 A. +3 B. +4 C. +5 D. +7 E. +6

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Q: oxidation number of which metal in its compound is always negative? a  O b  Br c  F d  Cl

A: Oxidation number of Fluorine is always negative than other bromine, Chlorine and Oxygen because it…

Q: Assign oxidation states to all atoms in the following: a. CO2 b. FeS c. SF6 d. NO3-

A: Given :-  a. CO2b. FeSc. SF6d. NO3-  To assign :-  oxidation state to all atoms in given…

Q: How do I find the oxidation number of Fe?    cis−[Fe(en)2(NO2)2]+

A: Oxidation number of 'Fe' metal in the given complex is " +3 "

Q: [1] KIO3 + 5KI + KIO3 6H* → 312 + 6K* + 3H20

A: Oxidizing agent: Those species oxidize others and reduce themselves. Reducing agent: Those species…

Q: Assign oxidation numbers to each element and balance the equation in an acidic solution.  MnO4- +…

A: The sum of the oxidation numbers of any species should be equal to the net charge on that species.

Q: indicates the oxidation number of each atom in the following molecules. a)NH3 b) Al2O3

A: Indicates the oxidation number of each atom in the following molecules---

Q: Consider the precipitation reactions below: Fe2* + S? > Fes Cu2+ + S2- →Cus Zn2* + S2 → ZnS…

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Q: In the thermite process, the reducing agent is:(a) Nickel(b) Zinc(c) Sodium(d) Aluminium

A: Thermite welding is a process that makes use of an exothermic reaction to create a high temperature.…

Q: What is the oxidation number of "Cl" in Mg(ClO2)2?   a.) –1 b.) +6 c.) +3 d.) +7   e.) –7

A: The compound given is Mg(ClO2)2.

Q: Assign oxidation numbers to each of the elements in Ca(H2PO2)2. Са H P

A: The oxidation numbers of each element's are given below -

Q: Which element is oxidized in this reaction? Fe2O3+3CO→2Fe+3CO2   Which element is reduced in this…

A: 1) The reaction given is  Fe2O3 + 3 CO -----> 2 Fe + 3 CO2  In the above reaction, C is in 2+…

Q: Use the table on the information page to predict if a reaction will occur when nickel metal and…

A: When a highly reactive metal is placed in a solution of less reactive metal, the metal with high…

Q: What type of reaction occurs between Ba(NO3)2 and K2CrO4? O 1) Precipitation O 2) Acid-base O 3)…

A: Precipitation reaction: A precipitation reaction refers to the formation of an insoluble salt when…

Q: Which method is used to make fake gold coins? Additive Plating:  A plating reaction where metal…

A: The fake gold coin is actually a brass coin (an alloy of copper and zinc). This is done by coating…

Q: Which substance in this spontaneous reaction is considered the strongest oxidizing agent? 2Al(s) +…

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Q: Identify the reducing and oxidizing agents and determine the species that is oxidized and the…

A: Oxidising agent :Agents that oxidises others and reduced itself . Reducing agent: agents that…

Q: Consider the reaction below. Which is the oxidizing agent? * Fe + O₂ + H+ Fe+2+ H₂O. A. Fe B. 02 C.…

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Q: Define oxidation and reduction, both in terms of change in oxidation state and gain or loss of…

A: Oxidation: oxidation is the process of loss of electrons by a molecule, atom or ion. Here oxidation…

Q: Identify the oxidation numbers to all the elements in each of the compound or ions S8 a Se-3 Ob Se=0…

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