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Calculate the molar mass of ammonium sulfate ((NH4)2SO4), given that the atomic masses of nitrogen, hydrogen, sulfur, and oxygen are 14.01 g/mol, 1.01 g/mol, 32.06 g/mol, and 16.00 g/mol, respectively.

asked Jan 23 in Inorganic Chemistry by SherrylIwz83 (2.0k points)

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1 answer 69 views

Calculate the melting point of sodium chloride (NaCl) given that its enthalpy of fusion is 28.9 kJ/mol and its entropy of fusion is 41.3 J/K/mol.

asked Jan 23 in Inorganic Chemistry by KyleWaddy213 (1.9k points)

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Calculate the melting point of aluminum oxide (Al2O3) given that its enthalpy of fusion is 326 kJ/mol and its entropy of fusion is 110 J/(mol*K). Assume standard pressure and temperature conditions (STP).

asked Jan 23 in Inorganic Chemistry by RandellBeggs (2.0k points)

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1 answer 77 views

Calculate the melting point of a solution containing 20 g of benzoic acid (C6H5COOH) and 80 g of naphthalene (C10H8). The melting points of pure benzoic acid and naphthalene are 122.4 °C and 80.2 °C, respectively. The molal freezing point depression constant for naphthalene is 6.8°C/m.

asked Jan 23 in Physical Chemistry by PDQJenifer7 (2.0k points)

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1 answer 72 views

Calculate the melting point of a mixture of 1 mol of benzene and 2 mol of toluene, given that the pure components have melting points of 5.5 °C and -95.0 °C, respectively.

asked Jan 23 in Physical Chemistry by JanieCorso7 (1.9k points)

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1 answer 85 views

Calculate the melting and boiling points of Sodium Chloride (NaCl) using the Clausius-Clapeyron Equation given that the heat of fusion for NaCl is 28.9 kJ/mol, the heat of vaporization is 163.0 kJ/mol and the standard entropy change for phase transition is 72.14 J/K/mol.

asked Jan 23 in Inorganic Chemistry by ZKLBarbra368 (2.3k points)

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1 answer 69 views

Calculate the mass of sodium chloride (NaCl) produced when 2.5 moles of sodium (Na) react completely with excess chlorine gas (Cl2). (Hint: Use the balanced chemical equation 2Na + Cl2 → 2NaCl)

asked Jan 23 in Chemical reactions by FranY1408156 (2.2k points)

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1 answer 87 views

Calculate the mass of silver (Ag) that will be deposited on the cathode during electrolysis if a current of 2.5 A is passed through a solution of silver nitrate (AgNO3) for 3 hours.

asked Jan 23 in ElectroChemistry by MarquisMonte (1.9k points)

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1 answer 78 views

Calculate the magnetic susceptibility of water molecule using Quantum Chemistry methods.

asked Jan 23 in Quantum Chemistry by PearlEaston (2.3k points)

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1 answer 100 views

Calculate the magnetic susceptibility (in cm3 mol-1) of a molecule with the following quantum numbers: S=1, L=2, and J=3/2 in the presence of an external magnetic field of 0.5 T.

asked Jan 23 in Quantum Chemistry by Miguel37A006 (2.3k points)

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1 answer 66 views

Calculate the magnetic properties (magnetic dipole moment, total angular momentum, and g-tensor) of a water molecule using quantum chemical methods and compare them with the experimental values.

asked Jan 23 in Quantum Chemistry by HarleyOreill (1.9k points)

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1 answer 75 views

Calculate the magnetic moment of the compound Ni(CO)4 using the crystal field theory and determine whether it is diamagnetic or paramagnetic.

asked Jan 23 in Inorganic Chemistry by JaninaDohert (2.2k points)

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1 answer 80 views

Calculate the magnetic moment of Ni(CO)4 using the crystal field and molecular orbital theory.

asked Jan 23 in Inorganic Chemistry by VallieSwaffo (1.7k points)

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1 answer 82 views

Calculate the magnetic moment of Ni(CN)4 2- complex ion.

asked Jan 23 in Inorganic Chemistry by AdaBethel250 (2.0k points)

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1 answer 69 views

Calculate the magnetic moment of Fe(CO)₅ using Molecular Orbital Theory.

asked Jan 23 in Inorganic Chemistry by DanielleVanw (2.3k points)

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1 answer 83 views

Calculate the magnetic moment of a transition metal complex, [Fe(CN)6]3-, with six cyanide ligands in an octahedral arrangement using crystal field theory. The complex is in a high-spin state and has three unpaired electrons.

asked Jan 23 in Inorganic Chemistry by ChristalMahl (2.0k points)

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1 answer 92 views

Calculate the magnetic moment of a cobalt (II) ion, Co2+ in an octahedral field with a ligand field strength of 800 cm-1.

asked Jan 23 in Inorganic Chemistry by KraigQsr2950 (1.9k points)

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1 answer 133 views

Calculate the magnetic moment of a chromium (III) complex with the formula [Cr(en)Cl(ClO4)2] (en = ethylenediamine) in its high-spin state at room temperature assuming it has an octahedral geometry.

asked Jan 23 in Inorganic Chemistry by Georgianna69 (2.2k points)

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1 answer 62 views

Calculate the lattice energy of sodium chloride (NaCl) using Born-Haber cycle and Hess's law. Given the following data:- Enthalpy of sublimation of sodium (Na): +108.6 kJ/mol- Enthalpy of dissociation of chlorine (Cl2): +243.0 kJ/mol- Bond energy of Na-Cl bond: -412.0 kJ/mol- Ionization energy of sodium (Na): +496.0 kJ/mol- Electron affinity of chlorine (Cl): -349.0 kJ/mol- Heat of formation of sodium chloride (NaCl): -411.0 kJ/mol.

asked Jan 23 in Inorganic Chemistry by MartyLeSouef (2.0k points)

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1 answer 79 views

Calculate the lattice energy of potassium oxide (K2O) given that the ionic radii of K+ and O2- are 152 pm and 140 pm respectively, and the lattice enthalpy of formation of K2O is -3803 kJ/mol.

asked Jan 23 in Inorganic Chemistry by BradyFlo6479 (2.5k points)

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