For a spontaneous reaction within an electrochemical cell, \(E_{\text {cell }}^{\circ} \quad 0\). For a non-spontaneous...
For a spontaneous reaction within an electrochemical cell, \(E_{\text {cell }}^{\circ} \quad 0\).
For a non-spontaneous reaction within an electrochemical cell, \(E_{\text {cell }}^{\circ} \quad 0\).
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For a spontaneous reaction within an electrochemical cell, \(E_{\text {cell }}^{\circ} \quad 0\).
For a non-spontaneous...
For a spontaneous reaction within an electrochemical cell, Ecell Choose... For a non-spontaneous reaction within...
For a spontaneous reaction within an electrochemical cell, Ecell Choose...
For a non-spontaneous reaction within an electrochemical cell, Ecell Choose.... Choose...
Electrochemical cell potential can be calculated using the Nernst equation. $$ E_{\text {cell }}=E_{c \text {...
Electrochemical cell potential can be calculated using the Nernst equation.
$$ E_{\text {cell }}=E_{c \text { cell }}^{o}-\left(\frac{R T}{n F}\right) \ln Q $$
Identify the value represented by each variable in the equation.
Ecell: Choose... El Choose... R: Choose... T: Choose... n: Choose... F: Choose... Q: Choose...
Calculate the potential of the electrochemical cell and determine if it is spontaneous as written at...
Calculate the potential of the electrochemical cell and determine if it is spontaneous as written at 25 °C Cu(s) Cu2+ (0.15 M) Fe2+ (0.0039 M) Fe(s) E =-0.440 V E+Cu = 0.339 V Fe2+/Fe Is the electrochemical cell spontaneous or not spontaneous -0.779 Ecell = as written at 25 C? not spontaneous spontaneous о Calculate the potential of the electrochemical cell and determine if it is spontaneous as written at 25 'C Pt(s) Sn2 (0.0024 M), Sn4+ (0.12 M) |...
Calculate the potential of the electrochemical cell and determine if it is spontaneous as written at...
Calculate the potential of the electrochemical cell and determine if it is spontaneous as written at 25 °C. Cu(s) Cu2+(0.14 M) | Fe2+(0.0044 M) Fe(s) Ecu?+Icu = 0.339 V Efez lfe = -0.440 V Ecell = v Is the electrochemical cell spontaneous or not spontaneous as written at 25 °C? O not spontaneous O spontaneous Calculate the potential of the electrochemical cell and determine if it is spontaneous as written at 25 °C. Pt(s) Sn2+(0.0048 M), Snº+(0.11 M) || Fe3+(0.12...
Calculate the potential of the electrochemical cell and determine if it is spontaneous as written at 25 °C Cu(s) Cu2 (0...
Calculate the potential of the electrochemical cell and determine if it is spontaneous as written at 25 °C Cu(s) Cu2 (0.12 M |Fe2 (0.0012 M) Fe(s) E2 =-0.440 V Efe/Fe = 0.339 V Cu2t/Cu Is the electrochemical cell spontaneous or not spontaneous Ecell V as written at 25 °C? not spontaneous spontaneous Calculate the potential of the electrochemical cell and determine if it is spontaneous as written at 25 °C. Pt(s) Sn2(0.0060 M), Sn4+(0.14 M) Fe3+(0.13 M), Fe2+(0.0056 M) Pt(s)...
At 320K and is it spontaneous or non-spontaneous? At 1000K and is it spontaneous or non-spontaneous?...
At 320K and is it spontaneous or non-spontaneous?
At 1000K and is it spontaneous or non-spontaneous?
At 1420K and is it spontaneous or non-spontaneous?
Consider the following reaction: CaCO3 (s) + Cao (s) + CO2 (g). Estimate AG for this reaction at each of the following temperatures. (Assume that AH° and ASº do not change too much within the given temperature range.)
One electrode of a spontaneous electrochemical cell contains a piece of lead metal dipped into saturated...
One electrode of a spontaneous electrochemical cell contains a piece of lead metal dipped into saturated solution of PBSO4 in 1.00 M SO4. The other electrode is a standard hydrogen gas electrode. a) Draw and label all aspects of the electrochemical cell. b) Write the half reactions and the overall electrochemical reaction. c) Determine the emf (Ecell ) for the cell. 1.7 x 10% Ksp PbSO4 Pb (aq) 2 e Note: 2+ E -0.13 V Pb (s)
Given the following reaction determine (in kJ), and for the following reaction at...
23. (6pt) Given the following reaction determine \(\triangle G_{\text {ron }}^{\circ}(\) in \(K J)\), and \(K\) for the following reaction at \(25^{\circ} \mathrm{C}\) ? Is this reaction spontaneous?$$ 4 \mathrm{MnO}_{4}+12 \mathrm{H}^{*} \rightarrow 4 \mathrm{Mn}^{2+}+6 \mathrm{H}_{2} \mathrm{O}+5 \mathrm{O}_{2} $$\(\frac{\text { Reduction } 1 / 2 \text { Rxns }}{\mathrm{MnO}_{4}^{\circ}+8 \mathrm{H}^{*}+5 e^{\circ}} \rightarrow \mathrm{Mn}^{2+}+4 \mathrm{H}_{2} \mathrm{O} \quad \mathrm{E}^{\circ}\) red: \(+1.49 \mathrm{~V}\)\(\mathrm{O}_{2}+4 \mathrm{H}^{+}+4 \mathrm{e}^{*} \rightarrow \mathrm{2H}_{2} \mathrm{O} \quad \mathrm{E}^{\circ}\) rod \(+1.23 \mathrm{~V}\)
What is the calculated value of the cell potential at 298K for an electrochemical cell with the f...
What is the calculated value of the cell potential at 298K for an electrochemical cell with the following reaction, when the F2 pressure is 3.62x10* atm, the F concentration is 1.18M, and the Cr3+concentration is 1.29M? 3F2(g) +2Cr(sF(aq) + 2Cr (aq) Answer:V The cell reaction as written above is spontaneous for the concentrations given: atm, What is the calculated value of the cell potential at 298K for an electrochemical cell with the following reaction, when the H2 pressure is 6.80x10...
What is the calculated value of the cell potential at 298K for an electrochemical cell with the following reaction,
What is the calculated value of the cell potential at 298K for an electrochemical cell with the following reaction, when the Pb concentration is 1.44 M and the APT concentration is 1.59x10 4 M 2+ 3+ v Answer: The cell reaction as written above is spontaneous for the concentrations given true false
For a spontaneous reaction within an electrochemical cell, Ecell Choose...
For a non-spontaneous reaction within an electrochemical cell, Ecell Choose.... Choose...
Electrochemical cell potential can be calculated using the Nernst equation.
$$ E_{\text {cell }}=E_{c \text { cell }}^{o}-\left(\frac{R T}{n F}\right) \ln Q $$
Identify the value represented by each variable in the equation.
Ecell: Choose... El Choose... R: Choose... T: Choose... n: Choose... F: Choose... Q: Choose...
Calculate the potential of the electrochemical cell and determine if it is spontaneous as written at 25 °C Cu(s) Cu2+ (0.15 M) Fe2+ (0.0039 M) Fe(s) E =-0.440 V E+Cu = 0.339 V Fe2+/Fe Is the electrochemical cell spontaneous or not spontaneous -0.779 Ecell = as written at 25 C? not spontaneous spontaneous о Calculate the potential of the electrochemical cell and determine if it is spontaneous as written at 25 'C Pt(s) Sn2 (0.0024 M), Sn4+ (0.12 M) |...
Calculate the potential of the electrochemical cell and determine if it is spontaneous as written at 25 °C. Cu(s) Cu2+(0.14 M) | Fe2+(0.0044 M) Fe(s) Ecu?+Icu = 0.339 V Efez lfe = -0.440 V Ecell = v Is the electrochemical cell spontaneous or not spontaneous as written at 25 °C? O not spontaneous O spontaneous Calculate the potential of the electrochemical cell and determine if it is spontaneous as written at 25 °C. Pt(s) Sn2+(0.0048 M), Snº+(0.11 M) || Fe3+(0.12...
Calculate the potential of the electrochemical cell and determine if it is spontaneous as written at 25 °C Cu(s) Cu2 (0.12 M |Fe2 (0.0012 M) Fe(s) E2 =-0.440 V Efe/Fe = 0.339 V Cu2t/Cu Is the electrochemical cell spontaneous or not spontaneous Ecell V as written at 25 °C? not spontaneous spontaneous Calculate the potential of the electrochemical cell and determine if it is spontaneous as written at 25 °C. Pt(s) Sn2(0.0060 M), Sn4+(0.14 M) Fe3+(0.13 M), Fe2+(0.0056 M) Pt(s)...
At 320K and is it spontaneous or non-spontaneous?
At 1000K and is it spontaneous or non-spontaneous?
At 1420K and is it spontaneous or non-spontaneous?
Consider the following reaction: CaCO3 (s) + Cao (s) + CO2 (g). Estimate AG for this reaction at each of the following temperatures. (Assume that AH° and ASº do not change too much within the given temperature range.)
One electrode of a spontaneous electrochemical cell contains a piece of lead metal dipped into saturated solution of PBSO4 in 1.00 M SO4. The other electrode is a standard hydrogen gas electrode. a) Draw and label all aspects of the electrochemical cell. b) Write the half reactions and the overall electrochemical reaction. c) Determine the emf (Ecell ) for the cell. 1.7 x 10% Ksp PbSO4 Pb (aq) 2 e Note: 2+ E -0.13 V Pb (s)
23. (6pt) Given the following reaction determine \(\triangle G_{\text {ron }}^{\circ}(\) in \(K J)\), and \(K\) for the following reaction at \(25^{\circ} \mathrm{C}\) ? Is this reaction spontaneous?$$ 4 \mathrm{MnO}_{4}+12 \mathrm{H}^{*} \rightarrow 4 \mathrm{Mn}^{2+}+6 \mathrm{H}_{2} \mathrm{O}+5 \mathrm{O}_{2} $$\(\frac{\text { Reduction } 1 / 2 \text { Rxns }}{\mathrm{MnO}_{4}^{\circ}+8 \mathrm{H}^{*}+5 e^{\circ}} \rightarrow \mathrm{Mn}^{2+}+4 \mathrm{H}_{2} \mathrm{O} \quad \mathrm{E}^{\circ}\) red: \(+1.49 \mathrm{~V}\)\(\mathrm{O}_{2}+4 \mathrm{H}^{+}+4 \mathrm{e}^{*} \rightarrow \mathrm{2H}_{2} \mathrm{O} \quad \mathrm{E}^{\circ}\) rod \(+1.23 \mathrm{~V}\)
What is the calculated value of the cell potential at 298K for an electrochemical cell with the following reaction, when the F2 pressure is 3.62x10* atm, the F concentration is 1.18M, and the Cr3+concentration is 1.29M? 3F2(g) +2Cr(sF(aq) + 2Cr (aq) Answer:V The cell reaction as written above is spontaneous for the concentrations given: atm, What is the calculated value of the cell potential at 298K for an electrochemical cell with the following reaction, when the H2 pressure is 6.80x10...
What is the calculated value of the cell potential at 298K for an electrochemical cell with the following reaction, when the Pb concentration is 1.44 M and the APT concentration is 1.59x10 4 M 2+ 3+ v Answer: The cell reaction as written above is spontaneous for the concentrations given true false
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