Recent activity by EllenColling

1 answer 32 views

What is the effect of ligand modification on the photochemical properties of lanthanide complexes? How does the presence of heavy atoms in the ligand affect the absorption and emission spectra of these complexes?

answered Feb 22 in PhotoChemistry

1 answer 28 views

What is the maximum adsorption capacity of activated carbon for a specific pollutant and how does it vary with changes in factors such as pH, temperature, and initial pollutant concentration?

asked Feb 20 in Surface Chemistry

1 answer 28 views

What is the effect of different light intensities (low, medium and high) on the rate of photochemical reactions of Chlorophyll pigment present in Spinach leaves?

answered Feb 19 in PhotoChemistry

1 answer 31 views

What is the effect of changing the incoming ligand on the rate of ligand substitution in a coordination complex? Provide experimental evidence to support your answer.

answered Feb 19 in Coordination Chemistry

1 answer 41 views

What is the predicted color of a transition metal ion in an octahedral coordination complex with four ligands of the same type and two ligands of a different type?

asked Feb 18 in Inorganic Chemistry

1 answer 31 views

What effects do temperature and pressure have on the viscosity and conductivity of ionic liquids?

asked Feb 17 in Physical Chemistry

1 answer 41 views

How can the synthesis of zeolites be optimized to achieve maximum yield, purity and selectivity? And how can the developed synthesis methods be scaled up for practical applications in industry?

asked Feb 14 in Materials Chemistry

1 answer 64 views

What is the coordination number of the complex [CoCl4]2- according to crystal field theory and what is the oxidation state of cobalt in this complex?

answered Feb 13 in Coordination Chemistry

1 answer 58 views

What is the oxidation state of sulfur in H2SO4 and how does it change during the reaction with Fe? Write the balanced chemical equation for the redox reaction and identify which species is being oxidized and which one is being reduced.

asked Feb 13 in Chemical reactions

1 answer 26 views

How does the liver metabolize the commonly prescribed drug, ibuprofen, and what are the specific enzymes involved in its breakdown?

answered Feb 13 in Medicinal Chemistry

1 answer 35 views

What is the role of DNA polymerase in DNA replication, and how does its proofreading function ensure the accuracy of the DNA replication process?

asked Feb 12 in BioChemistry

1 answer 87 views

What is the crystal structure and coordination number of the metal atom in copper (II) sulfate pentahydrate?

answered Feb 12 in Physical Chemistry

1 answer 66 views

What is the difference in coordination chemistry between metallofullerenes and metalloclusters, and how does this impact their properties and potential applications in industries such as pharmaceuticals and electronics?

answered Feb 12 in Coordination Chemistry

1 answer 27 views

How can the chemical industry minimize its environmental impact by reducing the hazardous pollutants in their wastewater before its disposal?

answered Feb 6 in Environmental Chemistry

1 answer 41 views

How can gel permeation chromatography (GPC) be used to determine the molecular weight distribution of a polymer sample? What are the advantages and limitations of using GPC compared to other polymer characterization techniques?

answered Feb 5 in Polymer Chemistry

1 answer 102 views

How can changes in atmospheric concentrations of greenhouse gases impact global temperatures and what chemical reactions take place to contribute to this effect?

asked Jan 31 in Environmental Chemistry

1 answer 93 views

What specific functional group is present in compound X as determined by UV-Vis spectroscopy analysis?

answered Jan 31 in Analytical Chemistry

1 answer 67 views

Calculate the lattice energy of MgO using the Born-Haber cycle given the following information: the standard enthalpies of formation of MgO(s), Mg(g), and O2(g) are -601.6 kJ/mol, 147.3 kJ/mol and 0 kJ/mol respectively, the ionisation energy of Mg(g) is 737.7 kJ/mol, the electron affinity of O2(g) is -141 kJ/mol, and the bond energy of the O2 molecule is 498 kJ/mol.

answered Jan 23 in Inorganic Chemistry

1 answer 30 views

Why is the rubber hand illusion significant?

answered Jan 20 in Psychology

1 answer 45 views

According to social identity theory, what is the in-group?

asked Jan 20 in Psychology

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