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Consider an electrochemical cell: A(s) | An+ (aq, 2 M) || B2n+ (aq, 1 M) | B(s). The value of ΔHƟ for the cell reaction is twice that of ΔGƟ at 300 K. If the emf of the cell is zero, the ΔSƟ (in J K−1 mol−1 ) of the cell reaction per mole of B formed at 300 K is ____. (Given: ln(2) = 0.7, R (universal gas constant) = 8.3 J K−1 mol−1 . H, S and G are enthalpy, entropy and Gibbs energy, respectively.) 
    Correct answer is '–11.62'. Can you explain this answer?
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    Consider an electrochemical cell: A(s) | An+ (aq, 2 M) || B2n+ (aq, 1 ...
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    A fuel cell is a cell that is continuously supplied with an oxidant and a reductant so that it can deliver a current indefinitely.Fuel cells offer the possibility of achieving high thermodynamic efficiency in the conversion of Gibbs energy into mechanical work. Internal combustion engines at best convert only the fraction (T2 T1)/T2 of the heat of combustion into mechanical work.While the thermodynamic efficiency of the fuel cell is given by, is theGibbs energy change for the cell reaction and H is the enthalpy change of the cell reaction.A hydrogen-oxygen fuel cell may have an acidic or alkaline electrolyte.Pt|H2(g)|H+(aq.)||H2O( l )|O2(g)|Pt; The above fuel cell is used to produce constant current supply under constant temperature 30 atm constant total pressure condition in a cylinder. If 10 moles H2 and 5 moles of O2 were taken initially. Rate of combustion of O2 is 10 milli moles per minute. The half cell reactions areTo maximize the power per unit mass of an electrochemical cell, the electronic and electrolytic resistances of the cell must be minimized. Since fused salts have lower electrolytic resistances than aqueous solutions, high-temperature electrochemical cells are of special interest for practical applications.Q.The above fuel cell is used completely as an electrolytic cell with Cu voltameter of resistance 26.94 W using Pt electrodes. Initially Cu voltameter contains 1 litre solution of 0.05M CuSO4.[H+] in solution after electrolysis (Assuming no change on volume of solution).

    Consider an electrochemical cell: A(s) | An+ (aq, 2 M) || B2n+ (aq, 1 M) | B(s). The value of ΔHƟ for the cell reaction is twice that of ΔGƟ at 300 K. If the emf of the cell is zero, the ΔSƟ (in J K−1 mol−1 ) of the cell reaction per mole of B formed at 300 K is ____. (Given: ln(2) = 0.7, R (universal gas constant) = 8.3 J K−1 mol−1 . H, S and G are enthalpy, entropy and Gibbs energy, respectively.)Correct answer is '–11.62'. Can you explain this answer?
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    Consider an electrochemical cell: A(s) | An+ (aq, 2 M) || B2n+ (aq, 1 M) | B(s). The value of ΔHƟ for the cell reaction is twice that of ΔGƟ at 300 K. If the emf of the cell is zero, the ΔSƟ (in J K−1 mol−1 ) of the cell reaction per mole of B formed at 300 K is ____. (Given: ln(2) = 0.7, R (universal gas constant) = 8.3 J K−1 mol−1 . H, S and G are enthalpy, entropy and Gibbs energy, respectively.)Correct answer is '–11.62'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Consider an electrochemical cell: A(s) | An+ (aq, 2 M) || B2n+ (aq, 1 M) | B(s). The value of ΔHƟ for the cell reaction is twice that of ΔGƟ at 300 K. If the emf of the cell is zero, the ΔSƟ (in J K−1 mol−1 ) of the cell reaction per mole of B formed at 300 K is ____. (Given: ln(2) = 0.7, R (universal gas constant) = 8.3 J K−1 mol−1 . H, S and G are enthalpy, entropy and Gibbs energy, respectively.)Correct answer is '–11.62'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider an electrochemical cell: A(s) | An+ (aq, 2 M) || B2n+ (aq, 1 M) | B(s). The value of ΔHƟ for the cell reaction is twice that of ΔGƟ at 300 K. If the emf of the cell is zero, the ΔSƟ (in J K−1 mol−1 ) of the cell reaction per mole of B formed at 300 K is ____. (Given: ln(2) = 0.7, R (universal gas constant) = 8.3 J K−1 mol−1 . H, S and G are enthalpy, entropy and Gibbs energy, respectively.)Correct answer is '–11.62'. Can you explain this answer?.
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