Recent activity by JeroldStonem

1 answer 75 views

What is the optimal reaction conditions and yield for the preparation of 2,4-dichloronitrobenzene from nitrobenzene and chlorine gas through the process of chemical synthesis?

asked Feb 22 in Chemical synthesis

1 answer 81 views

What is the optimum ratio of p-aminobenzoic acid to ethanol in the preparation of benzocaine with maximum yield?

answered Feb 22 in Chemical synthesis

1 answer 74 views

What is the equilibrium constant expression for the following chemical reaction?2NO(g) + O2(g) ⇌ 2NO2(g)

asked Feb 20 in Chemical reactions

1 answer 68 views

How does the type and concentration of inorganic compounds affect their electrical conductivity?

asked Feb 20 in Inorganic Chemistry

1 answer 83 views

How does the assembly of amphiphilic molecules in water lead to the formation of self-assembled structures such as micelles or vesicles, and what are the potential applications of these structures in drug delivery systems?

asked Feb 17 in Physical Chemistry

1 answer 73 views

How can we design a step-by-step process for the extraction and recovery of valuable metals such as gold, silver, and copper from electronic waste using sustainable and eco-friendly methods?

asked Feb 12 in Chemical engineering

1 answer 112 views

How does the coordination chemistry of metalloenzymes and metalloproteins affect their catalytic activity? Provide specific examples and explain the role of the metal ion in the enzyme or protein function.

asked Feb 12 in Coordination Chemistry

1 answer 159 views

How can the production process of surfactants be optimized to increase the yield and purity of the final product while minimizing environmental impact and cost?

answered Feb 10 in Chemical engineering

1 answer 72 views

How can a cost-effective and efficient system be designed to extract valuable metals like gold and silver from electronic waste, while minimizing environmental impact and complying with regulatory standards?

answered Feb 4 in Chemical engineering

1 answer 163 views

Determine the standard enthalpy of formation for hydrogen chloride gas using the following data:H2(g) + Cl2(g) → 2HCl(g) ΔH = -184.6 kJ/molH2(g) + 1/2O2(g) → H2O(l) ΔH = -285.8 kJ/mol2HCl(g) + O2(g) → 2ClO(g) + H2O(l) ΔH = -518.2 kJ/mol Note: The standard enthalpy of formation for a compound is the change in enthalpy that occurs when one mole of the compound is formed from its constituent elements, with all substances in their standard state at a given temperature (usually 25°C) and pressure (usually 1 atm).

answered Feb 4 in Chemical thermodynamics

1 answer 158 views

Determine the oxidation state of sulfur in sodium sulfite (Na2SO3) using the oxidation state rules and justify your answer with proper explanation.

asked Feb 4 in ElectroChemistry

1 answer 117 views

Can the mechanical properties of ceramics be improved for use in high-temperature applications by adjusting the manufacturing parameters, such as sintering temperature and time?

asked Feb 3 in Materials Chemistry

1 answer 144 views

Calculate the standard electrode potential of the following cell: Zn(s) | Zn2+(aq) || Cu2+(aq) | Cu(s) Given: Eº(Zn2+(aq)/Zn(s)) = -0.76 V and Eº(Cu2+(aq)/Cu(s)) = +0.34 V.

asked Feb 3 in ElectroChemistry

1 answer 173 views

How does changing the concentration of reactants affect the rate and sustainability of a specific chemical reaction? Provide experimental evidence to support your answer.

asked Feb 3 in Chemical kinetics

1 answer 144 views

How does the temperature affect the reaction rate of methane and oxygen gas undergoing a gas-phase reaction to form carbon dioxide and water? Use Monte Carlo simulations to determine the energy barriers and activation energies at different temperatures and predict the effect of temperature on the reaction rate.

answered Jan 31 in Computational Chemistry

1 answer 150 views

What specific functional group is present in a compound if the UV-Vis spectroscopy analysis reveals an absorption peak at 170-180 nm?

asked Jan 31 in Analytical Chemistry

1 answer 118 views

What are the differences between addition and condensation polymerization reactions, and how do these differences affect the resulting polymer structure and properties?

asked Jan 30 in Organic Chemistry

1 answer 151 views

What is the concentration of chloride ions present in a sample of seawater using the potentiometry technique with a silver chloride electrode?

asked Jan 30 in Analytical Chemistry

1 answer 99 views

Calculate the equilibrium constant (Kc) for the following chemical reaction at 25°C, given that the concentrations of reactant A and product B are 0.05 M and 0.10 M, respectively:A(s) + 2B(g) ⇌ 3C(g) The equilibrium concentration of compound C is found to be 0.15 M.

asked Jan 23 in Chemical thermodynamics

1 answer 93 views

Calculate the enthalpy change for the hydrolysis of 10 grams of sodium acetate (NaOH) at 25°C, given the following information:- The specific heat capacity of the solution is 4.18 J/(g·°C)- The initial temperature of the solution is 25°C- The final temperature of the solution after hydrolysis is 30°C- The heat evolved by the reaction is 677 J.

asked Jan 23 in ThermoChemistry

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