Questions by JonelleYgj6

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1 answer 36 views

Calculate the standard Gibbs free energy change for the electrochemical cell reaction using the given half-reactions:Cu^2+(aq) + 2 e^- → Cu(s) E° = +0.34 VSn^4+(aq) + 2 e^- → Sn^2+(aq) E° = +0.15 VConstruct the cell diagram and identify the anode and cathode. Determine the overall cell potential and whether the reaction is spontaneous.

asked Feb 3 in ElectroChemistry

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1 answer 36 views

Calculate the standard enthalpy change for the reaction: 2Fe(s) + 3/2 O2(g) -> Fe2O3(s) given that the standard enthalpy of formation for Fe2O3(s) is -824.2 kJ/mol and that of Fe(s) is 0 kJ/mol.

asked Feb 3 in Chemical thermodynamics

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1 answer 67 views

What is the dipole moment of a water molecule, as calculated using Ab initio methods, and how does it compare to the experimentally-determined dipole moment?

asked Jan 30 in Computational Chemistry

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1 answer 53 views

Calculate the equilibrium constant (Kc) for the following reaction at 300 K: N2(g) + 3 H2(g) ↔ 2 NH3(g) given that at equilibrium, the concentration of N2 is 0.12 M, H2 is 0.20 M, and NH3 is 0.16 M.

asked Jan 23 in Chemical equilibrium

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1 answer 48 views

Calculate the enthalpy change of adsorption for the adsorption of CO gas on activated carbon at 25°C, given that the equilibrium constant for the reaction is 1.5×10^3 L/mol and the molar density of CO is 1.25 g/L. The surface area of activated carbon used is 50 m^2/g, and the initial pressure of CO is 2.5 atm.

asked Jan 23 in ThermoChemistry

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1 answer 39 views

What is construct validity?

asked Jan 14 in Psychology

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1 answer 10 views

What system is designed to facilitate the transformation of food matter into the nutrient components that sustain organisms?

asked Jan 7 in Science

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1 answer 34 views

An aqueous solution is a homogeneous mixture in which the most abundant component is what?

asked Dec 30, 2024 in Science

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1 answer 27 views

The airway and the lungs are part of what organ system?

asked Dec 27, 2024 in Science

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