Complete and balance the following reactions (if no reaction, write NR) A. Zn + Cu2+ à B. Mg + H+  à c.  Ca + Mg2+ à

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: This is a question about balancing oxidation reduction reactions for CHM-152

A: In MnO4- we have Mn7+ and in Cr2O72- we have Cr6+  hence the oxidation and reduction half reactions…

Q: Consider the following redox reaction: Fe (s) + Cl2 (g) → FeCl2 (aq) Which of the following…

A: Oxidation :-  The process of lose of electrons or increase in oxidation number is called oxidation…

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: Nikita took Zn, Al, Cu, Fe, M& Na metals & put each metal in cold water and then hot water…

A: The given metals are: Zn, Al, Cu, Fe, Mg and Zn The order of reactivity of these metals is: Na >…

Q: Four metals (A, B, C, and D) were studied for activity, and the following information was  collected…

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Q: 1. Which two species will be able to oxidize Pb(s)?    Co³⁺ and Ce³⁺    Ca and Cr    Cd²⁺ and Cl₂…

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

Q: You were given the following equation for the reaction to clean tarnish from silver:  3Ag2S(s) +…

A: The amount of substance is usually defined in terms of mole. The mole is the SI unit of the quantity…

Q: Which of the following metals is most likely to become oxidized (act as O Ca2+(aq)+2e¯→ Ca(s) E°red=…

A: Introduction : Oxidation means loss of electron .

Q: ow many grams of Ag(s) (107.9 g/mol) could be plated out on the cathode of an electrolytic cell by…

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Q: Which one of the following, when added to a piece of Cu(s) in solution, is capable of oxidizing…

A: The reactivity series is of metal is: The metals at the top of the series are powerful reducing…

Q: Complete and balance the following half-reactions. In eachcase, indicate whether the half-reaction…

A: The given half-reaction is, The oxidation state of Sn is equal to its charge and the charge in…

Q: For anhydrous formula unit A below, determine the oxidation states of all 5 atoms.…

A: The compound given is (NH4)2Fe(SO4)2. The ions present in the above ionic compound are 1) NH4+  2)…

Q: How many atoms of cadmium form from the  reaction of 25.0 mL of 0.0277 M Cd(NO3)2 with 10.5 g of…

A: Given: Molarity of Cd(NO3)2 = 0.0277 M The volume of Cd(NO3)2 = 25 ML Mass of Al =10.5 g Standard…

Q: Given the reaction,         Fe + MnO 4 - → FeO 4 -2 + Mn +4   a)  How many moles of the…

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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: Consider the following equation in aqueous solution: Cr.0, (aq) + S,0, (aq) → Cr* (aq) + S,0,²(aq)…

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Q: Consider the following equation in aqueous solution: PO,3-(aq) + SO2(g) → PO,8-(aq) + S²-(aq) The…

A: Given that : The unbalanced equation for the reaction is given below : PO32-(aq)  +  SO2(g)  →…

Q: Which of the following substances will oxidize Cu (s) but will not oxidize Ag (s)? I2 (s) Br2 (l)…

A: The substance of a higher reduction potential can be oxidized to the substance of lower reduction…

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

A: Given reaction:  N2H4 (aq)  + O2 (g) -----> N2 (g) + 2 H2O (l)

Q: + Mn2 2. Given a reaction in acidic medium: MnO, (w) + Fe" a) - Fe" a. What is oxidized and what is…

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Q: The dissolution reactions of gold (Au) in 1M HNO3 and 1M aqua regia (1M HNO3 + 1M HCI) are given…

A: Whenever there is a reversal in the direction of reaction , the concerning Eo value gets changed.

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

A: 1) The flotation process used in metallurgy involves

Q: Which species in each pair is a better oxidizing agent under standard state conditions. Explain your…

A: Better oxidizing agent means it should have greater +ve value or less -ve value of reduction…

Q: The strongest oxidising agent is (a) F2 (b) Cl2 (c) I2 (d) Br2

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Q: Complete and balance the following reactions (if no reaction, write NR). (A) Al(s) + HCl(aq) (B)…

A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only.…

Q: E. CO and NO 18. Which is the reducing agent in, Cu (s) + 2Ag* (aq) → Cu²* (aq) + 2Ag (s)? A. Cu²+…

A: Concept An increase in oxidation number- species is oxidized. A decrease in oxidation number-…

Q: One drawback of lithium is that it also reacts favorably with O2 in the air to produce Li, Balance…

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Q: Which of the following reactions could be used to electroplate nickel with gold? O A) Zn(s) +…

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Q: A sample of impure tin of mass 0.524 g is dissolved in strong acid to give a solution of Sn2+. The…

A: The point at which equivalent of an acid becomes equal to equivalent of a base in the presence of…

Q: Which element is oxidized in the reaction below?                 Fe2+ + CrO42- + H2O→ Fe3+ + Cr3+…

A: If oxidation number increases, then element is oxidized. If oxidation number decreases, then element…

Q: A sample of an iron ore is dissolved in acid, and the iron isconverted to Fe2+. The sample is then…

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Q: 5. Write balanced equations for the following reactions. Show your solutions. a. Cr(OH)3 + Brz –…

A: As per our guidelines we can only solve first three sub-parts of a question. Please resubmit the…

Q: What element is oxidized in the following reaction?   Cd(s) + NiO 2(s) + 2 H 2O(l) ----> Cd(OH)…

A: The reaction taking place is given as, => Cd (s) + NiO2 (s) + 2 H2O (l) → Cd(OH)2 (aq) + Ni(OH)2…

Q: 1. Balance the ff skeleton reactions and identify the oxidizing and reducing agents: a) O2(g) +…

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Q: A solution of iron(II) sulfate was prepared by dissolving 10.00 g of FeSO4•7H2O (FW = 277.9) in…

A: Given data: Mass of  FeSO4•7H2O dissolved in water = 10.00 g, Volume of iron(II) sulfate solution =…

Q: A Review I Consta MISSED THIS? Read Section 5.9 (Pages 193 - 201). Which metal could you use to…

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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: An aqueous solution of SO2 reduces (a) aqueous KMnO4 toMnSO4(aq), (b) acidic aqueous K2Cr2O7 to…

A: Balanced Chemical equation is the one in which the stoichiometric coefficients of the reactants are…

Q: A solution containing 0.40249 g of CoCl2. xH2O was exhaustively electrolyzed to deposit 0.09937 g of…

A: Given: Mass of CoCl2·xH2O = 0.40249 g. And mass of Co formed = 0.09937 g.

Q: Balance the reaction below using the change in oxidation number method. Show complete solutions…

A: In the oxidation number method, the oxidation number are assigned to the atoms and depending upon…

Q: A titration of 2.00 ml of hydrogen peroxide solution (Mw = 34.01 g / mol) used 35.57 ml of 0.1 N…

A: Hello. Since the question contains more than three sub-parts, the first three sub-parts shall be…

Q: A sample of unknown iron ore weighs 0.35 g. It is digested using dilute HCl. An SnCl2 solution is…

A: Given that,  Weight of iron ore = 0.35 g The neutralisation reaction take place between Fe2+ and…

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: Which statements are true or false:   a.  Eight moles of electrons are transferred in the…

A: Oxidation means loss of electrons and reduction means gain of electrons during redox reaction.

Q: Fe = 55.8; S = 32; O= 16; H 1 %3D 10 10g of an impure iron(11) salt were dissolved in water and made…

A: Answer :-  a) MnO4–(aq) + 8H+(aq)  + 5Fe2+(aq) →  Mn2+(aq) + 5Fe3+(aq) + 4H2O(l)…

Q: 4. Oxalic acid (H2C:O4) is present in many plants and vegetables. a) Balance the following equation…

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Q: Balance the reaction between CrO, and Ag to form Cr³* and Ag* in acidic solution. When you have…

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Q: What is the percentage of Fe in an iron ore of 0.5 g of the ore,after solution, in acid and complete…

A: Balanced reaction for KMnO4 and C2H2O4 is : 2 KMnO4 + 5 C2H2O4 + 3 H2SO4 → 2MnSO4 + K2SO4 + 10 CO2 +…

Q: All iron in 4.00 g of iron ore sample, which was dissolved in an acid solution, was converted to…

A: A numerical problem based on mole concept that is to be accomplished.