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Calculate the polarization of a copper electrode immersed in a 0.1 M CuSO4 solution at 25°C when it is coupled to a hydrogen electrode with a hydrogen pressure of 1 atm. Given that the standard reduction potential of Cu2+|Cu electrode is 0.34 V and the standard reduction potential of H+|H2 electrode is 0 V at 25°C.

asked 5 days ago in ElectroChemistry by EldonHyman82 (490 points)

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Calculate the polarization of a cell having an anode made of copper metal immersed in a 1.0 M Cu(NO3)2 solution and a cathode made of silver metal in a 1.0 M AgNO3 solution. Given that the potential of the copper electrode is -0.34 V and that of the silver electrode is 0.80 V. Also, assume that the current density is 0.1 A/cm² and that the temperature is 298 K.

asked 5 days ago in ElectroChemistry by Wally645704 (350 points)

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Calculate the polarization in an electrochemical cell consisting of a zinc electrode and a copper electrode. The electrode potentials of zinc and copper are -0.76 V and +0.34 V, respectively. The resistance of the electrolyte solution between the electrodes is 10 ohms, and the current flowing through the cell is 0.5 A.

asked 5 days ago in ElectroChemistry by GabriellaJai (250 points)

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Calculate the pH of a solution with a concentration of 0.01 M HCl.

asked 5 days ago in Chemical reactions by JuliMighell (410 points)

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Calculate the pH of a buffer solution that contains 0.2 moles of acetic acid (CH3COOH) and 0.1 moles of sodium acetate (NaCH3COO) dissolved in one liter of solution. The dissociation constant of acetic acid is 1.8 x 10^-5.

asked 5 days ago in Chemical reactions by Genevieve973 (350 points)

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1 answer 25 views

Calculate the pH of a buffer solution made by combining equal volumes of 0.1 M acetic acid and 0.1 M sodium acetate. The dissociation constant of acetic acid is 1.8 × 10^-5.

asked 5 days ago in Chemical reactions by JaneenZepps (370 points)

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Calculate the pH of a buffer solution consisting of 0.1 M acetic acid and 0.1 M sodium acetate, given that the dissociation constant (Ka) of acetic acid is 1.8x10^-5.

asked 5 days ago in Chemical reactions by SilkeVelasqu (450 points)

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Calculate the pH of a 0.2 M solution of acetic acid (Ka = 1.8 x 10^-5) at 25°C.

asked 5 days ago in Chemical reactions by MckinleyAlba (430 points)

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1 answer 32 views

Calculate the pH of a 0.2 M solution of acetic acid (CH3COOH) if the acid dissociation constant (Ka) of acetic acid is 1.8 × 10^-5.

asked 5 days ago in Chemical reactions by Hai18V559862 (450 points)

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1 answer 35 views

Calculate the pH of a 0.1 M solution of hydrochloric acid assuming complete dissociation. The acid dissociation constant (Ka) for HCl is 1.3 × 10^-6 at 25°C.

asked 5 days ago in Chemical reactions by DwightSparro (570 points)

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Calculate the pH of a 0.1 M solution of hydrochloric acid (HCl) assuming complete dissociation of the acid in water, and identify if the solution is acidic, basic or neutral.

asked 5 days ago in Inorganic Chemistry by KeeshaSwaffo (470 points)

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Calculate the pH of a 0.1 M solution of acetic acid with a dissociation constant (Ka) of 1.8 x 10^-5.

asked 5 days ago in Chemical reactions by Xavier496923 (230 points)

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Calculate the pH of a 0.1 M solution of acetic acid (Ka = 1.8 x 10^-5).

asked 5 days ago in Chemical reactions by Newton78P742 (530 points)

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1 answer 37 views

Calculate the pH of a 0.1 M solution of acetic acid (CH3COOH) given that its dissociation constant Ka is 1.8x10^-5.

asked 5 days ago in Chemical reactions by TawnyaMorgan (350 points)

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1 answer 33 views

Calculate the percentage change in the concentration of reactants and products in a chemical equilibrium when the concentration of a common ion is increased by 0.1M. The equilibrium constant for the reaction is Kc = 1.5 x 10^-5 M at a certain temperature.

asked 5 days ago in Chemical equilibrium by GiselleRoot (530 points)

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1 answer 6 views

Calculate the percent composition of phosphoric acid, H3PO4.

asked 5 days ago in Inorganic Chemistry by MadgeLemberg (310 points)

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1 answer 29 views

Calculate the percent composition of copper sulfate pentahydrate (CuSO4 • 5H2O).

asked 5 days ago in Inorganic Chemistry by RoccoPreece (370 points)

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1 answer 38 views

Calculate the partition function for a system of 300 molecules occupying an energy level of 10 J at a temperature of 300 K using the classical harmonic oscillator model.

asked 5 days ago in Physical Chemistry by LoriMacdouga (610 points)

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Calculate the partition function for a system of 10 molecules of a monoatomic gas confined to a 1-dimensional box of length 1 nm at a temperature of 300 K using the classical and quantum mechanical methods. Then, compare the results obtained and explain the discrepancies observed.

asked 5 days ago in Physical Chemistry by JuliMighell (410 points)

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1 answer 35 views

Calculate the partition function (q) and the Helmholtz free energy (A) of an ideal gas containing 2 moles of particles at a temperature of 300 K, assuming the gas is in the canonical ensemble.

asked 5 days ago in Physical Chemistry by GitaNhp62295 (510 points)

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