The measured emf of the cell pt h2
SpletQuestion: The EMF of the cell Pt, H2 (1 atm) H+ KCl (saturated) I Hg2Cl2 (s), Hg is 0.4665V at 298 K. An emf of 0.3662 V was observed when a combined glass electrode … SpletWhat will be the emf for the given cell pt H2 (g, P1) H+ (aq) H2 (g, P2) pt Shan chemistry Calculate the mass of urea (NH2CONH2) required in making 2.5 Kg of 0.25 …
The measured emf of the cell pt h2
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Splet10. dec. 2024 · Conventionally, the cell potential for the hydrogen electrode is defined to be exactly zero if it has the condition as given below: Pt H 2 ( g, 1 atm) H ( aq) +, 1 M The notations for half cells are not rigid, but a simplified way to represent a rather complicated setup. Standard Reduction Potential SpletI. The standard emf of the cell Pt (s) H2 (g) HBr (aq) AgBr (s) Ag (s) was measured over a range of temperatures, and the data were fitted to the following polynomial: E θ /V = 0.07131 - 4.99 × 10 -4 (T/K - 298) - 3.45 (T/K - 298) 2 Evaluate the standard reaction Gibbs energy, enthalpy, and entropy at 298 K. II.
SpletThe Nernst equation for the emf of the cell is E c e l l = E c e l l 0 − n F 2. 3 0 3 R T l o g {⌊ H + ⌋ 2 P H 2 } 2 × {P H 2 ⌊ H + ⌋ 2 } 1 . Since both the electrodes dip in same, solution, the … SpletA voltage of 1.48 V is measured for this cell. Use this information to calculate the concentration of silver nitrate solution. (Given E°Zn2+/Zn= 0.76 V , E°Ag+/Ag= 0.8 0 v) 5. A copper-silver cell is set up. The copper ion concentration is 0.10 M. The concentration of silver ion is not known. The cell potential when measured was
SpletThe emf of the cell, Pt H2 1 atm, H+ 0.1 M, 40 mL Ag+0.8 mM Ag is 0.9 V. Calculate the emf when 60 mL of 0.05 M NaOH is added to the anodic compartment.Given: 2.303RTF = 0.06, log2 =0.3 ... = 0.44 V, the cell emf at 298 K is: Q. When 50 mL of 0.1 M NaOH is added to 50 mL of 0.1 M C H 3 C O O H solution, the pH will be: (use : ... SpletWhere T is the absolute temperature measured in K. Calculate DG°, DH° and DS° for the reaction at 298 K 6. Consider the cell Pt(s) H 2(g) HCl(aq) AgCl(s) Ag(s) for which E° = +0.2225 V at 298 K. If the concentration of HCl is such that the measured cell potential is +0.385 V when the pressure of H 2 gas is one atmosphere, what is the pH of the
Splet24. jan. 2024 · Standard EMF of a Cell The symbol E represents the emf generated by an electrochemical cell. With the help of a potentiometer, it may be measured. The value of emf is affected by the concentrations of reactants and products in the cell fluids, as well as the cell’s temperature.
Splet11. apr. 2024 · Find the emf of the cell at 25°C Pt H2 (2atm) l HCl l H2 (10atm) Pt Numerical from Electrochemistry shiver book pdf downloadSpletThe cell potential under standard conditions is called the standard emf, E°cell. 25°C, 1 atm for gases, 1 M concentration of solution Sum of the cell potentials for the half- reactions. This is a quantitative measure of the tendency of reactants to proceed to products when all are in their standard states at 25 °C. Standard Reduction Potential shiver book 2SpletThe emf of the cell Pt H2 (g, pΘ) HCI (aq, b) Hg2Cl2 (s) Hg (l) has been measured with high precision (G.]. Hills and D].G. Ives, J. Chem. Soc., 311 (1951)) with the following … shiver book by allie reynolds free readSpletThe following cell has an EMF of +0.46 V. Cu Cu2+ Ag+ Ag ... (b) When the standard electrode potential for Fe3+(aq) / Fe2+(aq) is measured, a platinum electrode is required. (i) What is the function of the platinum electrode? ... (aq), Mn2+(aq) Pt Calculate the e.m.f. of this cell and write an equation for the spontaneous cell reaction. Cell e ... shiver bodySpletConsider the cell, P t mid H2 (g, 1 atm) H+ (a q, 1 M) F e3+ (a q) F e2+ (a q) mid P t (s) Given that Eo F e3+ / F e2+=0.771 V, the ratio of concentration of F e (a q)2+ to F e (a q)3+ is, when the cell potential is 0.830 V. Q. Consider the cell, Pt ∣ H 2(g,1atm)H +(aq,1M)∥F e3+(aq) F e2+(aq) ∣ Pt(s) shiver book pdfSplet38) The measured voltage of the cell Pt (s) H2 (1.0 atm) H (aq) Ag (1.0M) Ag (s) is 1.02 V at 25°C. Calculate the pH of the solution. A. 1.86 B. 1.69 C.3.72 D. 3.89 E. 7.43 07. This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. See Answer shiver book 3Splet25. mar. 2024 · Calculate EMF of the cell Pt, H2 (0.1 atm) solution (pH = 4) M /100 KCl solution (saturated with AgCl) Ag and equilibrium constant of the cell reaction at 25°C. … shiver book review