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Determine the equilibrium constant for the following redox reaction taking place at 25°C: Fe2+(aq) + H2O2(aq) + 2H+(aq) → Fe3+(aq) + 2H2O(l) Given the standard reduction potentials below: Fe3+/Fe2+ = +0.771 V H2O2(aq)/H2O(l) = +1.78 V

asked 3 days ago in Chemical equilibrium by MartinCadwal (450 points)

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Determine the equilibrium constant at room temperature for the reaction of hydrogen gas and iodine gas to form hydrogen iodide gas, if the initial concentrations of hydrogen and iodine gases were 0.50 M and 0.25 M, respectively, and the equilibrium concentration of hydrogen iodide gas is 0.40 M.

asked 3 days ago in Chemical equilibrium by JuliannLeSou (630 points)

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Determine the equilibrium constant (Kc) for the reaction 2SO2(g) + O2(g) ⇌ 2SO3(g), given that at a certain temperature, the initial concentrations of SO2, O2, and SO3 were 0.10 M, 0.20 M, and 0.05 M, respectively, and the reaction was allowed to reach equilibrium.

asked 3 days ago in Chemical thermodynamics by NormandSwaff (290 points)

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Determine the equilibrium constant (Kc) for the reaction 2NO(g) + O2(g) ⇌ 2NO2(g) if the initial concentration of NO is 0.15 M, O2 is 0.10 M and NO2 is 0.30 M at equilibrium.

asked 3 days ago in Chemical reactions by LeonardoHyla (710 points)

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Determine the equilibrium constant (Kc) for the following reaction at a temperature of 298 K if the concentrations of reactants and products are [CO] = 0.10 M, [H2] = 0.20 M, and [CH3OH] = 0.05 M:CO(g) + 2H2(g) ↔ CH3OH(g)

asked 3 days ago in Physical Chemistry by MicahReidy99 (550 points)

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Determine the equilibrium constant (Kc) for the chemical reaction: 2 SO2(g) + O2(g) ⇌ 2 SO3(g)Given that at a certain temperature, the concentrations of SO2, O2, and SO3 are 0.25 M, 0.15 M, and 0.40 M, respectively, at equilibrium.

asked 3 days ago in Chemical thermodynamics by HSRZak712052 (690 points)

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Determine the equilibrium concentrations of reactants and products for the reaction 2H2(g) + O2(g) ⇌ 2H2O(g) at 500K when initial concentrations of H2 and O2 are 0.2M and 0.1M respectively, and the equilibrium constant (Kc) is 4.67 x 10^3.

asked 3 days ago in Chemical equilibrium by JoycelynBras (330 points)

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Determine the entropy change for the combustion of methane gas (CH4) at constant pressure and 298 K. Given the standard molar entropy values are: S°(CH4) = 186 J/mol.K, S°(O2) = 205 J/mol.K, S°(CO2) = 214 J/mol.K and S°(H2O) = 188 J/mol.K.

asked 3 days ago in Chemical thermodynamics by BobbyeY74750 (410 points)

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Determine the enthalpy of hydrolysis for sodium acetate (NaC2H3O2) given that the enthalpy of neutralization for acetic acid (HC2H3O2) and sodium hydroxide (NaOH) is -55.9 kJ/mol and the heat of formation for NaC2H3O2 is -382.7 kJ/mol.

asked 3 days ago in ThermoChemistry by OliverY88898 (370 points)

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Determine the enthalpy of desorption for carbon dioxide from activated charcoal at 25°C. Given: the equilibrium pressure of CO2 is 0.1 atm and the mass of charcoal used is 2.5 g.

asked 3 days ago in ThermoChemistry by CatalinaBerg (630 points)

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Determine the enthalpy of adsorption for the reaction of hydrogen gas adsorbing onto a platinum surface, given that 2.00 g of hydrogen gas is adsorbed onto a 1.00 g platinum surface at 25°C and the pressure is 1 bar. The volume of the system is 1.00 L and the initial temperature of the platinum surface is also 25°C. Assume that the surface is in thermal equilibrium with the surroundings and that the gas behaves ideally.

asked 3 days ago in ThermoChemistry by TeresitaJack (450 points)

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Determine the enthalpy change of precipitation for the reaction between 50ml of 0.1M sodium sulfate and 50ml of 0.1M barium nitrate, given that the final temperature is 25°C and the initial temperature was 30°C. The specific heat capacity of the solution is 4.18 J/g °C and the density is 1 g/mL. (Assume the reaction goes to completion and all volumes are additive.)

asked 3 days ago in ThermoChemistry by MerleSundber (430 points)

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Determine the enthalpy change of precipitation for the reaction between 50 mL of 0.1 M NaOH and 50 mL of 0.1 M CuSO4, given that the final solution has a temperature of 25°C and the specific heat capacity of the solution is 4.18 J/g·°C.

asked 3 days ago in ThermoChemistry by EarleFrye28 (330 points)

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Determine the enthalpy change for the oxidation of 2 moles of iron (Fe) to form iron oxide (FeO) using the following data: Fe + 1/2 O2 → FeO ΔH = -65.0 kJ/mol 4 Fe + 3 O2 → 2 Fe2O3 ΔH = -1648.6 kJ/mol

asked 3 days ago in ThermoChemistry by JeffrySchuhm (390 points)

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Determine the empirical formula of a compound containing 36.5% sodium, 38.1% chlorine, and 25.4% oxygen by mass.

asked 3 days ago in Inorganic Chemistry by VirgilClay86 (390 points)

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Determine the electronic structure and binding energy of a ruthenium-based transition metal complex using ab initio calculations, and discuss the potential reactivity of this complex in various chemical environments.

asked 3 days ago in Computational Chemistry by Ursula933014 (410 points)

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Determine the crystal structure of a compound with the empirical formula C6H12O6, given its X-ray diffraction pattern.

asked 3 days ago in Physical Chemistry by SterlingOrne (410 points)

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Determine the crystal field splitting energy for a coordination compound with a tetrahedral geometry, given the following information: the metal ion has six d electrons, the ligand field splitting parameter (Δtetrahedral) is 4000 cm⁻¹, and the compound's absorption spectrum shows a strong absorption band at 600 nm.

asked 3 days ago in Coordination Chemistry by AlphonsoRidd (370 points)

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Determine the critical micelle concentration of the sodium dodecyl sulfate (SDS) in water by plotting the surface tension of SDS solutions at different concentrations.

asked 3 days ago in Surface Chemistry by Shanice62T06 (470 points)

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Determine the corrosion current density of a copper plate in a 0.1 M NaCl solution at 25°C, given that the corrosion potential of the copper plate in the solution is -0.54 V vs. the standard hydrogen electrode (SHE) and the Tafel slope for copper in the solution is 120 mV/decade.

asked 3 days ago in ElectroChemistry by ClaribelMcMa (490 points)

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