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- 3. Balance the following REDOX reactions using the following reactants and products and identify the oxidizing and reducing agents in the forward direction. You will need to use the list of Std. Reduction Potentials provided knowing that the half-reaction with the most positive standard reduction potential of the two will be reduced.Consider the galvanic series (shown below). From the choices provided below, please select the three metals or alloys that may be u galvanically protect brass. Your possible choices are: Cadmium, Copper, Silver, Titanium, Tin, Zine Table 16.2 The Galvank Series Platinuns Gold Graphite Titanium Shver 316 Stainlesa stoel (pamive) 304 Stainles steel (pamive) Inconel (8IN-1JC-7) (pamive) Nickel (passive) Monel (70NI-C) Incrcasingly inert (cathodic) Copper-nickel alloy s Bronzes (C-Sn alloys) Copper Brasses (Ce-Za alkoys) Inconel (active) Nickel (active) Tin Lead 316 Stainles stee (tive) 04 Stalnle stoel (tive) Increasingly active (aodie) Cast iron Iroe and steel Aluminum alleys Camium Carial pere aluminum Zine Galv Ser Magdremfagnesium alloys Soevei M.G Foetana Corrosion Ergineering dedition Ceeright 1E by MGre a Boek Company Reprinled wich permivicn. Table 16.2 OJahn Wiley Sons Inc. All ghes ered SaveUse the standard reduction potentials located in the 'Tables' linked above to calculate the equilibrium constant for the reaction: Hint: Carry at least 5 significant figures during intermediate calculations to avoid round off error when taking the antilogarithm. https://cxp.cengage.com/contentservice/assets/owms01h/references/chemtables/gen_chem/eo.html
- 1. A pH electrode obeys the equation E= constant - 0.0592 pH. If the electrode potiential (E) is -0.105 V at 0.002500 M [H+], what is the electrode constant? 2. Using the electrode constant calculated abobe, determine the pH of a solution that gives the electrode potiential of -0.450V. Sketch the calibration plot for the pH electrode. Label the axes, electrode constant and the value of the slope on the calibration plot. Answer question 1A cell consists of a gold wire and a saturated calomel electrode (S.C.E.) in a 0.190 M AuNO3 solution at 25 °C. The gold wire is connected to the positive end of a potentiometer, and the S.C.E. is connected to the negative end of the potentiometer. a.) What is the half‑reaction that occurs at the AuAu electrode? Include physical states. b.) The standard reduction potential for the half‑reaction that occurs at the gold electrode is ?∘=1.69 V. What is the potential of the half-reaction that occurs at the gold electrode under the given conditions? Ignore activities. c.) The reduction potential for the saturated calomel electrode is ?=0.241 V. What is the cell potential?What do you mean by Faaday eurin Give enample. How my grams off Mg2 (At WE 24. 305 am.u) me deposited on of cell if an elechic cussink the cathode are an elctiolytic of 5.00 A 4s Aun threugh a of Cu SO4 for a peiiod of a 30 minuler. solution
- Far the cell: pt/ Hz clatuy / NaOH Com)/ Hg0 cs)/ Hg cel -0.924V 854V 198K eatcutate standard eledromotive force Eas K write the eleetreds reaehions and the ett reaction So calculate the electromotive force at s08 K the change in inthalpy (AH)= and, what happen to electramotive forcewihen adokd few amount of nitrie acid to equitalent to the base Hg/Hg when - 35 kcal to cell reachin NaoH partially 2when the cell a- Write the reachion that occurs Zncery| ZuCla fo-555 mol-kig') Ag Cleery t Ageory delivers current and calculate and d) AH at 25č for this reaction at 25č Ea lo01SV and (3€)=-4a02_x104 VK'z? O AG AS %3Dametry (b) Draw and explain the cyclic voltammo- gram of Fe (n5-C5H5)2 in CH₂Cl2, where [NBU4] [PF6] is used as supporting electrolyte and Pt electrode as working electrode.
- w.com/ilrn/takeAssignment/takeCovalentActivity.do?locator%3Dassignment-take D Virtual Assistant - H... O Business Developm... # Get access to head... 5 remote direct sellin... [References] VISUALIZATION Batteries Zn(s) + 2 OH-(aq)>Zn0(s) + H,0(€) + 2e 0:00 Hg0(s) + H0(e) + 2e Hg(e) + 20HT(aq) Consider the animation describing opperation of the mercury battery. What is the formula of the oxidizing agent used in the battery? WEAT (1 of 6) Recheckles Tab Window Help Answe X Micros X akeCovalent Activity.do?locator-assignment-take Submit Answer : (1).docx a My Ho X OCT 13 #tv F5 OWLV X A Cell Respiration....pdf ^ [Review Topics] [References] Use the References to access important values if needed for this question. Be sure to specify states such as (aq) or (s). If a box is not needed leave it blank. Retry Entire Group Use the table on the information page to predict if a reaction will occur when magnesium metal and copper (II) sulfate(aq) are combined. If a reaction occurs, write a balanced equation for the reaction. JJ 8 N in Paraph X If no reaction occurs leave all boxes blank and click on "submit". F6 + - 9 more group attempts remaining alt EA very X Math 122 Quiz 5.pdf ▶11 FB ►New ko X + Math 122 Quiz 5.docx Te Aa 3 CE BI F10 One S x W Gram ✩ Y Previous Next> Sha2) A 90.00 ml solution, density = 1.0582 g/mL. with a AG = specif ic heat of 4.079 J/(GC), increased in temperature ΔΗ- from 20.36 C to 28.13 t with Al added. The copper collected, weighed 2.087 g. The electrochemical AS = potential mean was +1.821 volts. Calculate AG AH and AS for the reaction below. +3 2A (aq) +2 2 Als) * 3 Cuaq) 3 C46)
