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- 5. Balance the following reaction. HCl(aq) + KMn04 (aq) +H2O2 (aq)MnClz (aq) +02 () +KCI (aq) + H20 (1) in an acid solutio a. When a reaction is said to be in an acid solution, what species are most commonly present?4) Ethanol (C2H6O) content in a wine sample can be determined using Cr2O72- solution by redox titration in acidic medium. The unbalanced titration reaction is given below: Cr2Or2-(aq) + C2H6O (aq) Cr (aq) + C2H«Oz (aq) (unbalanced, acidic medium) To titrate 5 mL of wine sample, 38.0 mL of 0.3 M Cr2O" solution is required. What is the molar concentration (mol/L) of ethanol in the wine sample?i need the answer quickly
- 8. Balance the following equations:(a) SO₂ + 0₂ - SO3(b) Li₂O(s) + H₂O(1) LiOH(aq)(c) Na + H₂O →→→→ NaOH + H₂-(d) AgNO3 + Ni-->Ni(NO3)2 + Ag(e) Bi₂S3 + HC1-->BiCl3 + H₂S(f) PbO₂-->PbO + 0₂(g) Hg₂(C₂H3O2)2(aq) + KCl(aq)-->Hg₂Cl₂(s) + KC2H3O2(aq)(h) KI + Br₂ - KBr + 1₂(I) K3PO4 + BaCl₂ →→→→ KCl + Ba3(PO4)2< 2:50 How many electrons are exchanged in the following reaction? 1 4 7 +/- Question 17 of 17 2 Fe³+ (aq) + 3 Cu(s) = 2 Fe(s) + 3 Cu²+ (aq) 2 5 8 . 3 60 9 O Submit Tap here or pull up for additional resources XU x 100Item 10 Part A Permanganate reacts with methanol to produce formic acid according to the following unbalanced chemical equation in acidic solution: MnO, (ag) + CH3 OH (aq) --> Mn2* (aq) + HCOOH (aq). Which statement(s) is/are true about this reaction? I. After balancing the equation, there are 2 H*(aq) on the right side of the equation for every HCOOH. II. Manganese is oxidized during the course of the reaction. II. After balancing the equation, there are three times as many water molecules a Mn2* ions on the right side of the equation. Il only. I only. III only. Two of I, II, and III are true. None of I, II, and III are true. Submit Request Answer
- (7 points) Calculate the silver ion concentration, [Ag*], of a solution prepared by dissolving 8.25 g of AgNO3 and 91.5 g of KCN in sufficient water to make 1.00 L of solution. Assume the reaction goes to completion. Ag (aq) +2CN (aq) Ag(CN)2(aq) kr = 1.0 x 10211. Balance the ff skeleton reactions and identify the oxidizing and reducing agents: a) O2(g) + NO(g) + H2O(1) NO: (aq) + H* (aq) b) CrO (aq) + H20(1) + Cu(s) Cr(OH)»(s) + Cu(OH)>(s) + OH (aq)Complete and balance the following redox reaction in acidic solution Mn2* (aq) + BiO3 (aq) MnO, (aq) + Bia* (aq) 3. 2. 3+ O4+ 04- 6. 8 9. 1 O2 03 O5 O6 17 O8 O9 (s) (1) (g) (aq) 1) Mn OH Bi e H3O* H20 H* Delete 5 4.
- I need help with this questionThe following reaction occurs in acid solution. Identify the reducing agent. (Note: The equation is not balanced.) Fe2*(aq) + Cr2O (aq) + H*(aq) → Cr*(aq) + Fe3*(aq) + H2O(I) O H20(e) O Fe2(s) O Cr20,2 (aq) O Cr3"(aq) OH (aq)Permanganate reacts with methanol to produce formic acid according to the following unbalanced chemical equation in acidic solution: MnO4 - (aq) + CH3OH (aq) -- reaction? > Mn2+ (aq) + HCOOH (ag). Which statement(s) is/are true about this I. After balancing the equation, there are 2 H*(aq) on the right side of the equation for every HCOOH. II. Manganese is oxidized during the course of the reaction. III. After balancing the equation, there are three times as many water molecules as Mn2+ ions on the right side of the equation. III only. I only. None of I, II, and III are true. Two of I, II, and III are true. Il only.