Recent activity by EleanorNabor

1 answer 25 views

What is the maximum yield of benzocaine that can be obtained from the reaction of p-aminobenzoic acid and ethanol under specific conditions, and how do the reactant ratios and reaction temperature affect the yield?

asked 5 days ago in Chemical synthesis

1 answer 26 views

How does the coordination chemistry of metalloenzymes and metalloproteins impact their biological functions?

answered 6 days ago in Coordination Chemistry

1 answer 36 views

What is the effect of surface chemistry on emulsification in food and beverage processing, and how can it be optimized to improve the stability and consistency of emulsions?

answered Feb 14 in Surface Chemistry

1 answer 29 views

How can we optimize the production process of ammonium nitrate fertilizer to increase its yield, while also ensuring product quality and minimizing environmental impact?

answered Feb 14 in Chemical engineering

1 answer 9 views

What is the role of metal ions in the catalytic activity of metalloenzymes and metalloproteins? Provide examples of specific metalloenzymes and metalloproteins, and explain how the specific metal ion contributes to their function.

asked Feb 13 in Coordination Chemistry

1 answer 38 views

What is the effect of doping a graphene sheet with boron and nitrogen atoms on its electronic properties as predicted by density functional theory calculations?

asked Feb 12 in Computational Chemistry

1 answer 31 views

What is the color of copper chloride (CuCl2) and what causes it to have that specific color?

answered Feb 12 in Inorganic Chemistry

1 answer 53 views

How can the surface area of activated carbon be determined using gas adsorption?

answered Feb 11 in Surface Chemistry

1 answer 37 views

How can the controlled release of a drug from a polymer-based drug delivery system be optimized to ensure maximum therapeutic efficacy and minimal adverse effects?

answered Feb 6 in Polymer Chemistry

1 answer 40 views

How can the adhesion properties of a polymer be controlled to optimize its bonding to different surfaces?

answered Feb 6 in Polymer Chemistry

1 answer 33 views

How can knowledge of chemical reactions be applied to understand the process behind rust formation on iron objects, and suggest a method to prevent rusting?

answered Feb 5 in Chemical education

1 answer 32 views

How can chemistry students in developing countries access adequate learning resources and textbooks, despite the limited availability of such materials in their communities?

answered Feb 5 in Chemical education

1 answer 52 views

Determine the type of inorganic compound formed when Magnesium (Mg) reacts with Oxygen (O2). Is it an ionic, covalent, or metallic compound? Explain your answer.

answered Feb 4 in Inorganic Chemistry

1 answer 57 views

Calculate the standard enthalpy change for the neutralization reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH), given the appropriate thermochemical equations and the following information:- Heat evolved during the reaction, Q = -58.35 kJ/mol- Moles of HCl used, n(HCl) = 0.05 mol- Concentration of NaOH solution, c(NaOH) = 2 M- Volume of NaOH solution used, V(NaOH) = 25.0 mL (assuming density of 1.00 g/mL)Show your calculations and include units in your final answer.

asked Feb 3 in Chemical thermodynamics

1 answer 78 views

What is the standard enthalpy of formation (∆H°f) of ethane (C2H6) at room temperature (298K)? Use quantum chemistry calculations to determine the ∆H°f of ethane and compare it to literature values. Does your calculation agree with the literature values?

answered Jan 31 in Quantum Chemistry

1 answer 88 views

How does a decrease in ATP concentration affect the activity of the enzyme pyruvate kinase in glycolysis pathway?

answered Jan 30 in BioChemistry

1 answer 60 views

What is the effect of adding a catalyst on the equilibrium position of a redox reaction and how would you calculate the change in equilibrium concentration of products and reactants? Provide an example of a redox reaction and its equilibrium constant (Kc) value before and after the addition of a catalyst. Also, explain the role of a catalyst in shifting the equilibrium position of a reaction.

answered Jan 30 in Chemical equilibrium

1 answer 69 views

How can X-ray diffraction be used to determine the crystalline structure and composition of a sample? Provide a step-by-step procedure for using this technique to analyze a given sample and interpret the resulting diffraction pattern.

asked Jan 30 in Analytical Chemistry

1 answer 60 views

How can we accurately determine the concentration of iron in a water sample using colorimetry, and what is the potential impact on human health if the concentration exceeds a certain threshold?

answered Jan 29 in Analytical Chemistry

1 answer 45 views

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

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