Recent questions in Chemistry

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1 answer 55 views

Determine the hybridization of the central atom in the molecule sulfur hexafluoride (SF6).

asked Feb 4 in Inorganic Chemistry by Carina54Z00 (370 points)

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1 answer 40 views

Determine the hybridization of the central atom in the molecule SF6.

asked Feb 4 in Inorganic Chemistry by RosalieStock (210 points)

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1 answer 43 views

Determine the hybridization of the central atom in the compound XeF6.

asked Feb 4 in Inorganic Chemistry by MarieRitchar (290 points)

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1 answer 45 views

Determine the HOMO and LUMO energies of the ethylene molecule using a molecular orbital calculation, and predict whether the molecule has any potential for conjugation.

asked Feb 4 in Quantum Chemistry by MargheritaMa (250 points)

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1 answer 40 views

Determine the heat of hydration, in kJ/mol, for the reaction between solid Calcium chloride (CaCl2) and water (H2O), given that 1 mole of CaCl2 dissolves to produce 3 moles of ions and releases -82.8 kJ of heat in the process.

asked Feb 4 in ThermoChemistry by KristenBever (510 points)

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1 answer 53 views

Determine the heat capacity of aluminum if 50.0 g of the metal is heated from 25°C to 75°C using 100.0 J of heat energy.

asked Feb 4 in Chemical thermodynamics by LovieDunross (390 points)

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1 answer 56 views

Determine the heat capacity of a 50-g sample of iron that is heated from 25°C to 100°C using 500 J of heat.

asked Feb 4 in Chemical thermodynamics by BuddyHardin5 (330 points)

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1 answer 49 views

Determine the geometry and polarity of the ammonium ion (NH4+).

asked Feb 4 in Inorganic Chemistry by AngelaBennet (350 points)

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1 answer 46 views

Determine the formal charge on the sulfur atom in sulfur hexafluoride (SF6)?

asked Feb 4 in Inorganic Chemistry by KayWhittingt (430 points)

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1 answer 44 views

Determine the formal charge of the central atom in SF6. Show all your work and explain how you arrived at your answer.

asked Feb 4 in Inorganic Chemistry by AveryMerrifi (510 points)

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1 answer 46 views

Determine the equilibrium constant, Kc, for the reaction between iodine and thiosulfate ions in aqueous solution, given the initial concentrations of iodine (0.02 M), thiosulfate (0.05 M), and hydrogen ions (0.1 M). The reaction is as follows:I2(aq) + 2S2O3^2-(aq) + 2H+(aq) ⇌ 2I^-(aq) + S4O6^2-(aq) Assume that the reaction takes place at 25°C and that the reaction quotient Qc has a value of 0.04 at equilibrium.

asked Feb 4 in Chemical equilibrium by WCMElton5532 (180 points)

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1 answer 47 views

Determine the equilibrium constant, Kc, for the formation of the complex ion FeSCN2+ if 0.15 moles of Fe(NO3)3 and 0.25 moles of NaSCN are mixed in 1.0 L of water at 25°C and allowed to come to equilibrium. During the reaction, 0.05 moles of FeSCN2+ are formed.

asked Feb 4 in Chemical equilibrium by MalindaLemie (430 points)

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1 answer 38 views

Determine the equilibrium constant, Kc, for the following reaction: N2(g) + O2(g) ⇌ 2NO(g) If the initial concentration of N2 is 0.50 M, O2 is 0.40 M, and NO is 0.10 M at equilibrium, what is the value of Kc?

asked Feb 4 in Chemical equilibrium by JanisImhoff4 (250 points)

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1 answer 43 views

Determine the equilibrium constant for the reaction of the complex ion formation between silver ion (Ag+) and ammonia (NH3) in a solution at 25°C, given that the concentration of Ag+ is 0.005 M and that of NH3 is 0.025 M. The balanced equation for the reaction is Ag+ + 2NH3 ⇋ [Ag(NH3)2]+.

asked Feb 4 in Chemical equilibrium by BernadetteFi (290 points)

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1 answer 57 views

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 Feb 4 in Chemical equilibrium by ConcepcionBo (530 points)

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1 answer 28 views

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 Feb 4 in Chemical equilibrium by ClaireOhara (290 points)

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1 answer 60 views

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 Feb 4 in Chemical thermodynamics by %login% (510 points)

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1 answer 34 views

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 Feb 4 in Chemical reactions by LionelZem632 (430 points)

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1 answer 55 views

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 Feb 4 in Physical Chemistry by Brigida91483 (310 points)

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1 answer 39 views

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 Feb 4 in Chemical thermodynamics by LakeishaA172 (230 points)

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