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What effect does changing the pH from 2 to 6 have on the equilibrium position of the redox reaction between Fe2+ and MnO4- in acidic solution?

asked 5 days ago in Chemical equilibrium by EtsukoBeatti (390 points)

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What is the effect of changing the concentration of reactants or products on the reaction rate at equilibrium?

asked 5 days ago in Chemical kinetics by DannyKalb466 (850 points)

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Calculate the standard electrode potential of a half-cell containing F2(g) and F- ion at 25°C. The reduction potential for F2(g) is 2.87 V and the standard reduction potential for F- ion is -2.87 V.

asked 5 days ago in ElectroChemistry by RichelleHale (610 points)

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How does changing the concentration of reactants in a reaction mechanism impact the rate of the overall reaction?

asked 5 days ago in Chemical kinetics by UVMMarietta (370 points)

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Calculate the standard entropy change for the reaction 2H2(g) + O2(g) → 2H2O(g) given the standard entropy values of H2(g) = 130.6 J/mol K, O2(g) = 205.0 J/mol K, and H2O(g) = 188.8 J/mol K. Also, determine whether the reaction is spontaneous or not at 298 K.

asked 5 days ago in Inorganic Chemistry by CareyDullo8 (330 points)

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How does changing the reactant concentration affect the rate of reaction in a reaction with a fixed stoichiometry?

asked 5 days ago in Chemical kinetics by ChristieOshe (310 points)

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How does changing the temperature affect the conformational behavior of a polymer chain in a Monte Carlo simulation?

asked 5 days ago in Computational Chemistry by MarquitaWyso (610 points)

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How does changing the molecular geometry affect the electronic excited states and optical properties of a molecule?

asked 5 days ago in Quantum Chemistry by LakeishaA172 (500 points)

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Calculate the resistance of an electrochemical cell given the following parameters: - The cell has a total area of 50 cm² and a separation between the electrodes of 2 cm.- The electrolyte solution has a conductivity of 2.5 × 10⁻⁴ S/cm and a temperature of 25°C.- The electrode on the left side of the cell is made of platinum and has a surface area of 25 cm². The electrode on the right side is made of silver and has a surface area of 25 cm².- The distance between each electrode and the solution is 0.5 cm.

asked 5 days ago in ElectroChemistry by FrederickSan (430 points)

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How does changing the concentration of one of the reactants affect the rate and sustainability of the reaction between potassium permanganate and hydrogen peroxide in acidic solution?

asked 5 days ago in Chemical kinetics by EmmaLeist635 (400 points)

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How does changing the metal center in a complex affect its photochemical properties? Compare the photochemical properties of a series of metal complexes with different metal centers under identical conditions.

asked 5 days ago in PhotoChemistry by DeonFoos037 (430 points)

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What is the effect of changing the concentration of the reaction intermediate on the overall rate of a chemical reaction?

asked 5 days ago in Chemical kinetics by NNIBetty2398 (490 points)

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Calculate the standard enthalpy change for the reaction A(s) + 2B(g) → 3C(l) + D(g) given the following data:• ΔHf° for A(s) is -100 kJ/mol• ΔHf° for C(l) is -50 kJ/mol• ΔS° for the reaction is 450 J/K•mol• ΔS° for D(g) is 200 J/K•mol

asked 5 days ago in Inorganic Chemistry by ShayPicot468 (530 points)

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Calculate the standard electrode potential for a redox reaction involving the reaction of iron (Fe) with copper (Cu) ions, given the following half-reactions: Fe2+ + 2e- → FeCu2+ + 2e- → Cu (Note: The standard electrode potential values for Cu2+/Cu and Fe2+/Fe half-cells at 25°C are 0.34V and -0.44V, respectively.)

asked 5 days ago in Chemical thermodynamics by AmyBurk87686 (330 points)

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Calculate the rate of the electrochemical reaction that takes place in the following electrolytic cell:Cu(s) | Cu2+(aq, 0.050 M) || Ag+(aq, 0.010 M) | Ag(s)Given that the current density is 0.500 A/m2 and the Faraday constant is 96,485 C/mol. The reduction potential of Cu2+(aq) + 2e- → Cu(s) is +0.34 V, and the reduction potential of Ag+(aq) + e- → Ag(s) is +0.80 V. Assume the temperature is 25°C and one-unit charge is exchanged.

asked 5 days ago in ElectroChemistry by ChastityMcIn (610 points)

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1 answer 21 views

Calculate the standard enthalpy change for the formation of ethylene oxide (C2H4O) given the following reaction:C2H4(g) + 1.5 O2(g) -> C2H4O(g)Given the standard enthalpy of formation of C2H4(g) = 52.5 kJ/mol and that of O2(g) = 0 kJ/mol, determine the standard enthalpy of formation of C2H4O(g).

asked 5 days ago in Chemical thermodynamics by MylesDoherty (550 points)

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1 answer 34 views

How does changing the concentration of reactants affect the selectivity of a chemical reaction?

asked 5 days ago in Chemical kinetics by IZHAbigail19 (430 points)

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1 answer 31 views

How does changing the reaction mechanism affect the rate of reaction, and what factors influence the activation energy of a particular reaction?

asked 5 days ago in Chemical kinetics by BrendaTilton (590 points)

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How does changing the concentration of reactants and products affect the reaction rate and equilibrium constant for the reaction between hydrogen and iodine?

asked 5 days ago in Chemical kinetics by GeriFarquhar (350 points)

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1 answer 28 views

How do chaperone proteins facilitate the correct folding of newly synthesized proteins in the cell?

asked 5 days ago in BioChemistry by AlexandraCru (510 points)

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