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Problem 17.17 Incorrect Nickel experiences corrosion in an acid solution according to the reaction Ni 2H+...
Exercice 1 17.17 Lead experiences corrosion in an acid solu- tion according to the reaction Pb...
Exercice 1 17.17 Lead experiences corrosion in an acid solu- tion according to the reaction Pb + 2H — Pb2+ + H, The rates of both oxidation and reduction half-reactions are controlled by activation polarization. (a) Compute the rate of oxidation of Pb (in mol/cms) given the following activation polarization data: For Lead For Hydrogen V POP = -0.126 V V=OV - 2 x 10A/cm² i = 10 x 10 A/cm B = +0.12 B = -0.10 (b) Compute the...
Exercice 1 17.17 Lead experiences corrosion in an acid solu- tion according to the reaction Pb...
Exercice 1 17.17 Lead experiences corrosion in an acid solu- tion according to the reaction Pb + 2H — Pb2+ + H, The rates of both oxidation and reduction half-reactions are controlled by activation polarization. (a) Compute the rate of oxidation of Pb (in mol/cms) given the following activation polarization data: For Lead For Hydrogen V POP = -0.126 V V=OV - 2 x 10A/cm² i = 10 x 10 A/cm B = +0.12 B = -0.10 (b) Compute the...
Use the tabulated electrode potentials to calculate K for the oxidation of nickel by H+: Ni(s)+2H+(aq)→Ni2+(aq)+H2(g)...
Use the tabulated electrode potentials to calculate K for the oxidation of nickel by H+: Ni(s)+2H+(aq)→Ni2+(aq)+H2(g) Express your answer using two significant figures. Standard reduction half-cell potentials at 25∘C Half-reaction E∘ (V) Half-reaction E∘ (V) Au3+(aq)+3e−→Au(s) 1.50 Fe2+(aq)+2e−→Fe(s) −0.45 Ag+(aq)+e−→Ag(s) 0.80 Cr3+(aq)+e−→Cr2+(aq) −0.50 Fe3+(aq)+3e−→Fe2+(aq) 0.77 Cr3+(aq)+3e−→Cr(s) −0.73 Cu+(aq)+e−→Cu(s) 0.52 Zn2+(aq)+2e−→Zn(s) −0.76 Cu2+(aq)+2e−→Cu(s) 0.34 Mn2+(aq)+2e−→Mn(s) −1.18 2H+(aq)+2e−→H2(g) 0.00 Al3+(aq)+3e−→Al(s) −1.66 Fe3+(aq)+3e−→Fe(s) −0.036 Mg2+(aq)+2e−→Mg(s) −2.37 Pb2+(aq)+2e−→Pb(s) −0.13 Na+(aq)+e−→Na(s) −2.71 Sn2+(aq)+2e−→Sn(s) −0.14 Ca2+(aq)+2e−→Ca(s) −2.76 Ni2+(aq)+2e−→Ni(s) −0.23 Ba2+(aq)+2e−→Ba(s) −2.90 Co2+(aq)+2e−→Co(s) −0.28 K+(aq)+e−→K(s) −2.92 Cd2+(aq)+2e−→Cd(s)...
Selective Oxidation The standard reduction potential for the half-reaction Sn4+ + 2e - Sn2+ is +0.15...
Selective Oxidation The standard reduction potential for the half-reaction Sn4+ + 2e - Sn2+ is +0.15 V. Consider data from the table of standard reduction potentials for common half-reactions, in your text. For a galvanic cell under standard conditions, which of the following cathodic half reactions would produce, at the anode, a spontaneous oxidation of Sn to Sn2+ but not Sn2+ to Sn4+. 2H+ + 2e - H2 Fe3+ + 3e + Fe Sn2+ + 2e Fe2+ + 2e →...
Fe would corrode easily in a damp environment in which both water and oxygen are readily available. Identify the most l...
Fe would corrode easily in a damp environment in which both water and oxygen are readily available. Identify the most likely anodic and cathodic reactions, respectively, from the table below. What is the standard electrode potential difference? Standard Electrode Electrode Reaction Potential, V 3 + +1.420 Au 3eAu O2 + 4H + + 4e-_→ 2H2O Pt2ePt +1.229 +0.800 Increasingly inert (cathodic) +0.771 +0.401 O2 + 2H2O + 4e-_→ 4(OH-) Cu2eCu +0.340 2H+ + 2e 0.000 0.126 > H2 0.136 Ni2+...
need help with the rest of the table EXPERIMENT 10 DETERMINATION OF THE ELECTROCHEMICAL SERIES PURPOSE...
need help with the rest of the table
EXPERIMENT 10 DETERMINATION OF THE ELECTROCHEMICAL SERIES PURPOSE To determine the standard cell potential values of several electrochemical coll INTRODUCTION The basis for an electrochemical cell is an oxidation reduction Corredor be divided into two half reactions reaction. This reaction can Oxidation half reaction Gloss of electrons) takes place at the anode, which is the positive electrode that the anions migrate to Chence the name anode) Reduction half reaction (gain of electrons)...
problem 9 D . the answer is 99.1 I don’t know how to do problem please...
problem 9 D . the answer is 99.1 I don’t know how to do problem
please show step by step
Problems | 261 E of 9. ng it to anide onsider the following reaction, in which two electrons are transferred from cytochrome-c (reduced) 2cyt c[Fe2+] +pyruvate 2H- 2cyt c[Fe3 + lactate for this reaction at p a. What is b. Calc H 7 and 25°C? ically, ulate the equilibrium constant for the reaction at pH 7 and 25°C. c. Calculate...
What results when a secondary alcohol is oxidized? a. a ketone d. an acid b. an...
What results when a secondary alcohol is oxidized? a. a ketone d. an acid b. an amine e. no reaction c. an aldehyde Which of the following combinations will react spontaneously? A. 12 + Cu2+ B. Pb2+ + Ag C. Zn2+ + Mg D. Sn2+ + Ni2+ The general formula for a cycloalkane can be represented by which of the following? a. C,H, C. CH b. C.H2n+2 d. C.H21-2 In a certain reaction AH =-136 kJ and E, = 96...
Exercice 1 17.17 Lead experiences corrosion in an acid solu- tion according to the reaction Pb + 2H — Pb2+ + H, The rates of both oxidation and reduction half-reactions are controlled by activation polarization. (a) Compute the rate of oxidation of Pb (in mol/cms) given the following activation polarization data: For Lead For Hydrogen V POP = -0.126 V V=OV - 2 x 10A/cm² i = 10 x 10 A/cm B = +0.12 B = -0.10 (b) Compute the...
Exercice 1 17.17 Lead experiences corrosion in an acid solu- tion according to the reaction Pb + 2H — Pb2+ + H, The rates of both oxidation and reduction half-reactions are controlled by activation polarization. (a) Compute the rate of oxidation of Pb (in mol/cms) given the following activation polarization data: For Lead For Hydrogen V POP = -0.126 V V=OV - 2 x 10A/cm² i = 10 x 10 A/cm B = +0.12 B = -0.10 (b) Compute the...
Selective Oxidation The standard reduction potential for the half-reaction Sn4+ + 2e - Sn2+ is +0.15 V. Consider data from the table of standard reduction potentials for common half-reactions, in your text. For a galvanic cell under standard conditions, which of the following cathodic half reactions would produce, at the anode, a spontaneous oxidation of Sn to Sn2+ but not Sn2+ to Sn4+. 2H+ + 2e - H2 Fe3+ + 3e + Fe Sn2+ + 2e Fe2+ + 2e →...
Fe would corrode easily in a damp environment in which both water and oxygen are readily available. Identify the most likely anodic and cathodic reactions, respectively, from the table below. What is the standard electrode potential difference? Standard Electrode Electrode Reaction Potential, V 3 + +1.420 Au 3eAu O2 + 4H + + 4e-_→ 2H2O Pt2ePt +1.229 +0.800 Increasingly inert (cathodic) +0.771 +0.401 O2 + 2H2O + 4e-_→ 4(OH-) Cu2eCu +0.340 2H+ + 2e 0.000 0.126 > H2 0.136 Ni2+...
need help with the rest of the table
EXPERIMENT 10 DETERMINATION OF THE ELECTROCHEMICAL SERIES PURPOSE To determine the standard cell potential values of several electrochemical coll INTRODUCTION The basis for an electrochemical cell is an oxidation reduction Corredor be divided into two half reactions reaction. This reaction can Oxidation half reaction Gloss of electrons) takes place at the anode, which is the positive electrode that the anions migrate to Chence the name anode) Reduction half reaction (gain of electrons)...
problem 9 D . the answer is 99.1 I don’t know how to do problem
please show step by step
Problems | 261 E of 9. ng it to anide onsider the following reaction, in which two electrons are transferred from cytochrome-c (reduced) 2cyt c[Fe2+] +pyruvate 2H- 2cyt c[Fe3 + lactate for this reaction at p a. What is b. Calc H 7 and 25°C? ically, ulate the equilibrium constant for the reaction at pH 7 and 25°C. c. Calculate...
What results when a secondary alcohol is oxidized? a. a ketone d. an acid b. an amine e. no reaction c. an aldehyde Which of the following combinations will react spontaneously? A. 12 + Cu2+ B. Pb2+ + Ag C. Zn2+ + Mg D. Sn2+ + Ni2+ The general formula for a cycloalkane can be represented by which of the following? a. C,H, C. CH b. C.H2n+2 d. C.H21-2 In a certain reaction AH =-136 kJ and E, = 96...
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