Recent activity by MercedesLang

1 answer 20 views

How does the size and shape of a metallic nanoparticle affect its surface properties, such as reactivity with molecules, when analyzed using density functional theory calculations?

answered 1 day ago in Computational Chemistry

1 answer 19 views

How does the rate of photochemical reaction change with varying light intensities in a given photochemical system?

answered 3 days ago in PhotoChemistry

1 answer 22 views

How do the mechanical and chemical properties of biomaterials affect their suitability for use in tissue engineering applications?

asked 5 days ago in Materials Chemistry

1 answer 19 views

What is the equilibrium constant (Kc) of the following chemical reaction at 25°C and how can it be interpreted?2NO2(g) ⇌ N2O4(g)

answered 6 days ago in Physical Chemistry

1 answer 30 views

How does the electronic configuration of inorganic compounds affect their reactivity in terms of their ability to donate or accept electrons?

answered 6 days ago in Inorganic Chemistry

1 answer 37 views

How does the coordination chemistry of metalloenzymes and metalloproteins affect their catalytic activity and selectivity?

asked 6 days ago in Coordination Chemistry

1 answer 22 views

How does the concentration of greenhouse gases, such as carbon dioxide (CO2), affect the Earth's temperature over time and what impact does this have on the environment?

answered Feb 19 in Environmental Chemistry

1 answer 33 views

What are the different types of liquid crystals and how their chemical structures affect their properties and applications?

asked Feb 13 in Physical Chemistry

1 answer 38 views

How can we enhance the photochemical properties of lanthanide complexes for more efficient light absorption and energy transfer processes?

asked Feb 13 in PhotoChemistry

1 answer 36 views

How can we design drugs to target specific enzymes or pathways involved in metabolic disorders such as diabetes or obesity, while avoiding off-target effects on other essential biological processes?

asked Feb 12 in Medicinal Chemistry

1 answer 41 views

How can the calculation of molecular orbitals and electronic structure of molecules be used to predict and explain chemical reactions and properties of molecules? Provide an example of a chemical reaction or property that can be explained by this method.

answered Feb 6 in Quantum Chemistry

1 answer 30 views

How can chemistry-related extracurricular activities be made more widely available to students in areas where resources are limited, in order to enhance their learning and interest in the subject?

asked Feb 5 in Chemical education

1 answer 10 views

Design a system for the safe storage and transportation of highly concentrated sulfuric acid, considering factors such as material compatibility, environmental impact, and spill prevention.

answered Feb 4 in Chemical engineering

1 answer 70 views

Calculate the standard electrode potential (E°) for the redox reaction of the following half-reactions:Cu2+(aq) + 2e- → Cu(s) E° = +0.34 VFe3+(aq) + e- → Fe2+(aq) E° = +0.77 V

answered Feb 3 in Chemical thermodynamics

1 answer 33 views

Calculate the pH of a buffer solution that contains 0.2 moles of acetic acid (CH3COOH) and 0.1 moles of sodium acetate (NaCH3COO) dissolved in one liter of solution. The dissociation constant of acetic acid is 1.8 x 10^-5.

answered Feb 3 in Chemical reactions

1 answer 49 views

Calculate the pH of a 0.1 M solution of acetic acid (CH3COOH) given that its dissociation constant Ka is 1.8x10^-5.

answered Feb 3 in Chemical reactions

1 answer 56 views

How do chaperone proteins aid in the folding process of newly synthesized polypeptides during protein synthesis?

asked Feb 3 in BioChemistry

1 answer 86 views

Here's a precise problem for a chemistry student to solve related to enzyme kinetics and inhibition:A researcher wants to determine the Km and Vmax values of an enzyme that catalyzes the conversion of substrate A to product B. They measure the initial reaction rates at varying substrate concentrations and obtain the following data:| [A] (mM) | Initial Reaction Rate (μmol/min) ||----------|---------------------------------|| 1.0 | 0.10 || 2.5 | 0.20 || 5.0 | 0.28 || 10.0 | 0.32 || 20.0 | 0.35

answered Jan 30 in BioChemistry

1 answer 83 views

Given the following compounds, identify whether they are ionic, covalent or metallic:1. NaCl2. H2O3. Cu4. Fe2O35. CO2

asked Jan 30 in Inorganic Chemistry

1 answer 79 views

How does the detection limit of X-ray fluorescence spectroscopy change with varying concentrations of the element of interest in a sample?

answered Jan 30 in Analytical Chemistry

Categories