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Calculate the standard electrode potential of the electrode in the given electrochemical cell: Fe3+(aq) + 3e- → Fe(s) E°= -0.04V Ag+(aq) + e- → Ag(s) E°= 0.80V

asked 5 days ago in ElectroChemistry by StarlaStroud (530 points)

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1 answer 28 views

Calculate the standard enthalpy change for the phase transition of ice to water at 298 K, given that the heat of fusion of ice is 6.01 kJ/mol and the molar heat capacity of ice and water are 37.0 J/(mol*K) and 75.3 J/(mol*K), respectively.

asked 4 days ago in Chemical thermodynamics by RandalStolle (810 points)

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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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What is the effect of changing the orientation of reactants on the reaction rate of a chemical reaction?

asked 5 days ago in Chemical kinetics by Elton1570594 (490 points)

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Calculate the standard enthalpy change for the following reaction at 298 K using the standard enthalpies of formation:2SO2(g) + O2(g) → 2SO3(g)

asked 4 days ago in Chemical thermodynamics by JHHBuster934 (570 points)

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Calculate the standard enthalpy change for the neutralization reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH) using the following information:- The standard enthalpy of formation for HCl is -92.31 kJ/mol - The standard enthalpy of formation for NaOH is -469.11 kJ/mol The balanced equation for the reaction is:HCl (aq) + NaOH (aq) → NaCl (aq) + H2O (l)

asked 4 days ago in Chemical thermodynamics by MaurineBenes (370 points)

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1 answer 27 views

Calculate the standard enthalpy change for the reaction in which 50 mL of 1.0 M HCl(aq) is added to 50 mL of 1.0 M NaOH(aq) at 25°C, given that the solution's specific heat capacity is 4.18 J g⁻¹ K⁻¹ and the density is 1.00 g/mL.

asked 4 days ago in Chemical thermodynamics by NoahProctor (500 points)

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Calculate the standard enthalpy change for the dissolution of 3.00 moles of sodium chloride in water, given that the molar enthalpy of solution of sodium chloride is -3.88 kJ/mol.

asked 4 days ago in Chemical thermodynamics by DonnellDewee (590 points)

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1 answer 32 views

Calculate the standard electrode potential for the redox reaction between the half cells Ag/Ag+ and Cu2+/Cu at 25°C, given that the standard electrode potentials for the half cells are +0.80 V and +0.34 V respectively.

asked 5 days ago in Chemical thermodynamics by Cole41H70743 (570 points)

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1 answer 26 views

Calculate the standard enthalpy change for the vaporization of 15 grams of water given that the molar enthalpy of vaporization of water is 40.7 kJ/mol.

asked 4 days ago in Chemical thermodynamics by AllieNoyes3 (410 points)

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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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What is the effect of changing the properties of polymer-based materials, such as molecular weight and temperature, on the quality and mechanical properties of 3D printed parts?

asked 5 days ago in Polymer Chemistry by AudraKinard1 (470 points)

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1 answer 28 views

Calculate the standard enthalpy change for the melting of 10 grams of ice at -10°C to liquid water at 20°C, given the specific heat capacity of water is 4.18 J/g°C and the enthalpy of fusion of water is 6.01 kJ/mol.

asked 4 days ago in Chemical thermodynamics by LinHeady0911 (430 points)

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1 answer 40 views

How does changing the ligands of a coordination compound affect its photochemical properties? Provide three specific examples with explanations.

asked 5 days ago in PhotoChemistry by JaymeBolick (330 points)

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1 answer 32 views

Calculate the standard electrode potential for the following reaction: Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s) Given that the standard electrode potentials for Zn2+/Zn and Cu2+/Cu are -0.76 V and 0.34 V respectively.

asked 5 days ago in ElectroChemistry by MorrisHannam (270 points)

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1 answer 26 views

Calculate the standard enthalpy change for the sublimation of iodine (I2) given that the enthalpy of fusion for iodine is 15.52 kJ/mol and the enthalpy of vaporization for iodine is 41.57 kJ/mol.

asked 4 days ago in Chemical thermodynamics by IngridWills (350 points)

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1 answer 24 views

Calculate the standard Gibbs free energy change (ΔG°) for the following electrochemical reaction:Cu(s) + 2Ag⁺(aq) → Cu²⁺(aq) + 2Ag(s)Given: - Standard reduction potential for the half-reaction: Cu²⁺(aq) + 2e⁻ → Cu(s) E° = +0.34 V Ag⁺(aq) + e⁻ → Ag(s) E° = +0.80 V

asked 4 days ago in ElectroChemistry by CortezJustus (330 points)

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1 answer 34 views

Calculate the rate of the electrochemical reaction when a current of 2.5 A is passed through a solution of copper sulphate for 2 hours, and 4 g of copper is formed at the cathode. The atomic weight of copper is 63.5 g/mol.

asked 5 days ago in ElectroChemistry by EmilSummerli (450 points)

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1 answer 23 views

Chemistry student, can you predict the products and balance the following double replacement chemical reaction: NaCl + AgNO3?

asked 4 days ago in Chemical reactions by CharissaOste (470 points)

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1 answer 28 views

Calculate the standard enthalpy change for the formation of one mole of methane (CH4) gas given the following information: - Heat of combustion of methane gas is -890.36 kJ/mol - Heat of formation of water (H2O) liquid is -285.83 kJ/mol - Heat of formation of carbon dioxide (CO2) gas is -393.52 kJ/mol

asked 4 days ago in Chemical thermodynamics by MckinleyAlba (430 points)

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