Recent questions in Inorganic Chemistry

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Calculate the lattice energy of magnesium oxide (MgO) given that the lattice enthalpy of magnesium (Mg) is 3944 kJ/mol and that of oxygen (O) is 751 kJ/mol.

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

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Calculate the lattice energy of magnesium oxide (MgO) given that the ionic radii for Mg2+ and O2- are 0.72 Å and 1.40 Å respectively, and the lattice energy of MgO is -3795 kJ/mol.

asked Jan 23 in Inorganic Chemistry by MOIRoderick9 (1.8k points)

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Calculate the lattice energy of LiF using the Born-Haber cycle, given the following enthalpies of formation and sublimation energies: ΔH°sub (Li) = 161 kJ/mol ΔH°sub (F2) = 155 kJ/mol ΔH°f (LiF) = - 590 kJ/mol IE (Li) = 520 kJ/mol EA (F) = -328 kJ/mol.

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

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Calculate the lattice energy of CaO given the following information: the enthalpy of formation of CaO is -635 kJ/mol, the ionization energy of Ca is 590 kJ/mol, the electron affinity of O is -141 kJ/mol, and the Ca–O bond length is 2.23 Å.

asked Jan 23 in Inorganic Chemistry by StuartCarson (2.4k points)

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Calculate the lattice energy of CaO given the following information: the distance between the Ca2+ and O2- ions is 2.32 Å, the charge on the ions is +2 and -2 respectively, and the Madelung constant for CaO is 1.74.

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

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Calculate the lattice energy of calcium oxide (CaO) given the following information: - The ionic charges of calcium (Ca) and oxygen (O) are +2 and -2, respectively. - The distance between the Ca and O ions in the lattice is 2.36 Å. - The Madelung constant for CaO is 1.74.

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

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Calculate the lattice energy of calcium fluoride (CaF2) given the following information: the ionic radii of Ca and F are 100 pm and 133 pm, respectively, the lattice energy of NaCl is 788 kJ/mol, and the Born-Lande equation constant is 2.56.

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

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Calculate the lattice energy of calcium fluoride (CaF2) given that the lattice enthalpy of formation of Ca2+ is +178 kJ/mol, the lattice enthalpy of formation of F- is -328 kJ/mol and the distance between the Ca2+ and F- ions is 231 pm.

asked Jan 23 in Inorganic Chemistry by ChastityHoll (1.8k points)

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Calculate the lattice energy of Calcium Chloride (CaCl2) using Born-Haber cycle and Hess's law, given that the following information:- Dissociation energy of Cl2 molecule is 243 kJ/mol- First ionization energy of Ca atom is 590 kJ/mol- Second ionization energy of Ca atom is 1145 kJ/mol- Electron affinity of Cl atom is -348 kJ/mol- Heat of sublimation of Ca metal is 178 kJ/mol- Bond energy of Cl-Cl molecule is 242 kJ/mol

asked Jan 23 in Inorganic Chemistry by OrenTherrien (1.8k points)

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Calculate the lattice energy of CaCl2 given that the distance between the Ca2+ and Cl- ions in the crystal lattice is 0.231 nm and the Born-Lande equation constant is 2.21 x 10^-19 J nm.

asked Jan 23 in Inorganic Chemistry by RandellGunte (2.1k points)

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Calculate the formal charge on the sulfur atom in the compound SO₃²⁻.

asked Jan 23 in Inorganic Chemistry by VirgilioAbe5 (1.9k points)

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Calculate the formal charge on each atom in the nitrate ion (NO3^-).

asked Jan 23 in Inorganic Chemistry by WilheminaMea (1.5k points)

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1 answer 81 views

Calculate the formal charge on each atom in SO4 2- ion.

asked Jan 23 in Inorganic Chemistry by TroyWitcher8 (2.1k points)

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Calculate the formal charge of the sulfur atom in the sulfite ion (SO3) using the formula for formal charge calculation.

asked Jan 23 in Inorganic Chemistry by EloisaLeavit (1.5k points)

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Calculate the formal charge of the oxygen atom and the chlorine atom in the perchlorate ion, ClO₄⁻. Show your work and explain how you arrived at your answer.

asked Jan 23 in Inorganic Chemistry by AzucenaGrasb (1.6k points)

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Calculate the formal charge of nitrogen in the nitrogen dioxide (NO2) molecule.

asked Jan 23 in Inorganic Chemistry by AubreyWoore (2.4k points)

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Calculate the expected boiling point of lithium fluoride (LiF) using its experimental melting point and the heat of fusion, assuming it behaves ideally.

asked Jan 23 in Inorganic Chemistry by NataliaCaple (2.1k points)

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Calculate the enthalpy change and the entropy change of the reaction where 2 moles of HCl(g) reacts with 1 mole of CaO(s) to produce 1 mole of CaCl2(s) and 1 mole of H2O(l). Given the bond dissociation enthalpies (in kJ/mol) of H-H is 436, Cl-Cl is 243, H-Cl is 431, and O-H is 463. The standard entropies (in J/mol K) of HCl(g) is 186.9, CaO(s) is 38.2, CaCl2(s) is 223.0, and H2O(l) is 69.9.

asked Jan 23 in Inorganic Chemistry by AmandaRku513 (1.8k points)

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Calculate the enthalpy change (ΔH) for the following reaction: 4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g)using the following bond enthalpies (in kJ/mol):NH3(g): N-H = 391, N ≡ N = 941O2(g): O=O = 498NO(g): N=O = 628H2O(g): O-H = 463

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

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Calculate the density of solid sodium chloride given that its mass is 5.50 g and its volume is 2.50 cm³.

asked Jan 23 in Inorganic Chemistry by Dawn49061396 (2.1k points)

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