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What is the theoretical yield of acetylsalicylic acid that can be obtained from the reaction of 5 grams of salicylic acid and 10 mL of acetic anhydride, assuming complete reaction and 100% yield?

asked Mar 1 in Chemical synthesis by TheScientist (138k points)

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What is the theoretical yield of acetylsalicylic acid that can be obtained from 5 grams of salicylic acid and 10 grams of acetic anhydride, assuming a 100% conversion rate and perfect reaction conditions?

asked Mar 1 in Chemical synthesis by TheScientist (138k points)

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What would be the theoretical yield of 2,4-dinitrophenol if 10 grams of phenol was used in the preparation and 85% yield was obtained?

asked Mar 1 in Chemical synthesis by TheScientist (138k points)

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What is the theoretical yield of 2,4-dinitrobenzoic acid that can be obtained from 10 grams of benzoic acid and excess nitric acid, assuming 100% conversion efficiency?

asked Mar 1 in Chemical synthesis by TheScientist (138k points)

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What is the theoretical yield of 2,4-dinitrobenzoic acid that can be obtained from the reaction between 5 grams of benzoic acid and an excess of nitric acid, assuming a 100% reaction efficiency?

asked Mar 1 in Chemical synthesis by TheScientist (138k points)

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What is the theoretical yield of 2,4-dichloronitrobenzene that can be obtained from reacting 10 grams of nitrobenzene with excess chlorine gas?

asked Mar 1 in Chemical synthesis by TheScientist (138k points)

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What is the theoretical yield and actual yield of acetylsalicylic acid obtained from the reaction of 5 grams of acetic anhydride and 3 grams of salicylic acid, given that the reaction has a 95% yield?

asked Mar 1 in Chemical synthesis by TheScientist (138k points)

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What is the theoretical amount of heat required to desorb 5 grams of CO2 adsorbed on activated carbon if the enthalpy change for this process is -25 kJ/mol? (Assume complete desorption of CO2)

asked Mar 1 in ThermoChemistry by TheScientist (138k points)

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What is the surface area of a powdered sample of activated carbon if the amount of nitrogen gas adsorbed at -196°C is 25.6 mL/g and the cross-sectional area of nitrogen molecule is 16.2 Å²?

asked Mar 1 in Surface Chemistry by TheScientist (138k points)

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What is the surface area of a sample of activated charcoal if the BET plot data at a nitrogen pressure of 0.98 atm gives a monolayer capacity of 0.16 mol/g and the weight of the sample used is 0.25 g? (Assume the density of the charcoal to be 2.2 g/cm³)

asked Mar 1 in Surface Chemistry by TheScientist (138k points)

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What is the surface area of a sample of activated carbon if 10 mL of nitrogen gas (at a temperature of 25°C and a pressure of 1 atm) is adsorbed onto 0.1 g of the carbon with a monolayer capacity of 0.5 mL/g?

asked Mar 1 in Surface Chemistry by TheScientist (138k points)

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What is the surface area of a sample of activated carbon if it adsorbed 2.5 moles of nitrogen gas at 77 K and 1 atm pressure? The cross-sectional area of nitrogen gas is known to be 16.2 square angstroms.

asked Mar 1 in Surface Chemistry by TheScientist (138k points)

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What is the surface area of a sample of activated carbon that adsorbs 2.5 moles of nitrogen gas at 77 K and a pressure of 1 atm according to the BET theory? The sample weight is 3 grams and the molecular weight of nitrogen is 28 g/mol.

asked Mar 1 in Surface Chemistry by TheScientist (138k points)

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What is the surface area of a given sample of activated carbon powder, if it has adsorbed 12mL of nitrogen gas at 77 K and a pressure of 1 atm, and assuming the cross-sectional area of a nitrogen molecule to be 0.16 nm²?

asked Mar 1 in Surface Chemistry by TheScientist (138k points)

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What is the surface area of a sample of activated charcoal determined by gas adsorption using the BET method? Calculate the surface area of the activated charcoal sample given its mass, pore volume, and the adsorption isotherm data.

asked Mar 1 in Surface Chemistry by TheScientist (138k points)

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What is the surface area of a solid material (in m²/g) if it has a nitrogen gas adsorption of 0.52 cm³/g at a relative pressure of 0.1 and assuming a monolayer coverage?

asked Mar 1 in Surface Chemistry by TheScientist (138k points)

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What is the standard potential of a silver electrode in a 0.1 M silver nitrate solution at 25°C, given that the reduction half-reaction is Ag⁺(aq) + e⁻ → Ag(s)?

asked Mar 1 in Physical Chemistry by TheScientist (138k points)

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What is the standard molar entropy change (∆S°) for the reaction: 2HBr(g) + Cl2(g) -> 2HCl(g) + Br2(g) if the standard molar enthalpy change (∆H°) is -107.6 kJ/mol?

asked Mar 1 in Inorganic Chemistry by TheScientist (138k points)

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What is the standard Gibbs free energy change at 298 K for the reaction A + 2B → 2C if the standard Gibbs free energy of formation for A, B, and C are 100 kJ/mol, -50 kJ/mol, and -120 kJ/mol, respectively?

asked Mar 1 in Chemical thermodynamics by TheScientist (138k points)

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What is the standard Gibbs free energy change (in kJ/mol) for the reaction 2H2O (l) -> 2H2 (g) + O2 (g) at 298 K, given that the enthalpy change (ΔH) for the reaction is -483.60 kJ/mol and the entropy change (ΔS) for the reaction is 69.91 J/mol.K?

asked Mar 1 in Quantum Chemistry by TheScientist (138k points)

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