Recent activity by CorrinePerre

1 answer 29 views

What is the rate of polymerization at a specific temperature and monomer concentration for a vinyl monomer using a free radical mechanism?

asked Feb 22 in Polymer Chemistry

1 answer 29 views

How does the mechanism of excited state dynamics differ in isolated molecules versus molecules in a solution environment, and what insights can be gained from ab initio calculations in studying these differences?

asked Feb 20 in Computational Chemistry

1 answer 29 views

How does the coordination chemistry of metalloenzymes and metalloproteins affect their catalytic activity? Provide a detailed explanation with examples.

asked Feb 19 in Coordination Chemistry

1 answer 48 views

How does the coordination chemistry of heme iron in hemoglobin and myoglobin affect the binding and release of oxygen?

asked Feb 19 in Coordination Chemistry

1 answer 37 views

How does the chemical structure of phosphorescent materials affect their photochemical properties such as lifetime, quantum yield, and emission spectrum?

asked Feb 18 in PhotoChemistry

1 answer 35 views

How does the chemical composition of spilled oil impact the degradation rate and toxicity of the oil, and what are the potential remediation strategies to minimize the environmental impact of oil spills?

answered Feb 18 in Environmental Chemistry

1 answer 35 views

How does the distribution of aluminum and silicon atoms affect the acidity of zeolite catalysts in the conversion of methanol to hydrocarbons?

asked Feb 17 in Computational Chemistry

1 answer 31 views

How can we reduce the environmental impact of radioactive waste disposal?

answered Feb 14 in Environmental Chemistry

1 answer 28 views

What is the difference between primary, secondary, and tertiary amines? Provide an example of each one and explain how their properties and reactivity vary.

asked Feb 14 in Organic Chemistry

1 answer 40 views

What is the percent yield of a chemical reaction if 50 grams of reactant A were used and 35 grams of product B were obtained, given that the balanced equation for the reaction is:2A + 3B --> 4Cand the theoretical yield of product B is 45 grams?

asked Feb 14 in Chemical reactions

1 answer 64 views

How can we enhance the sensitivity and selectivity of a polymer-based sensor for detecting a specific analyte?

asked Feb 13 in Polymer Chemistry

1 answer 73 views

How do different ligands affect the photochemical properties of metal complexes?

asked Feb 12 in PhotoChemistry

1 answer 41 views

How can the medicinal chemistry approach be used to identify and develop new small molecule inhibitors that selectively target autoimmune diseases, such as rheumatoid arthritis and lupus, while minimizing off-target effects and toxicity?

answered Feb 10 in Medicinal Chemistry

1 answer 41 views

How can the critical temperature and critical magnetic field of a superconducting material be determined through experimental measurements and analysis of its properties?

asked Feb 6 in Materials Chemistry

1 answer 54 views

How can the Bond Valence Method be applied to predict the crystal structure of inorganic solids?

asked Feb 6 in Inorganic Chemistry

1 answer 50 views

How can quantum computers be used to solve chemistry problems more efficiently than classical computers? Specifically, investigate the application of quantum algorithms to compute molecular energies and properties. Compare and contrast the accuracy and speed of quantum and classical methods for these calculations.

asked Feb 5 in Quantum Chemistry

1 answer 128 views

Calculate the standard enthalpy change (ΔH°) for the reaction where 50.0 mL of 2.0 M hydrochloric acid reacts with 50.0 mL of 2.0 M sodium hydroxide to form 50.0 mL of 2.0 M sodium chloride and water, given that the density of the solutions is 1.00 g/mL and the specific heat capacity of the solutions is 4.18 J/g·°C.

answered Feb 3 in Chemical thermodynamics

1 answer 92 views

What is the concentration of chloride ions in a sample of seawater using potentiometry, if a 0.1 M silver nitrate solution is used as a titrant and a silver-silver chloride electrode is used as an indicator electrode?

answered Jan 30 in Analytical Chemistry

1 answer 128 views

What is the concentration of a copper (II) sulfate solution if its absorbance is measured to be 0.25 using a spectrophotometer with a 1 cm cuvette and a wavelength of 620 nm, assuming a molar absorptivity of 5,400 M^-1cm^-1?

asked Jan 30 in Analytical Chemistry

1 answer 106 views

Using polarography, determine the concentration of lead ions (Pb2+) in a drinking water sample obtained from a home in a certain locality.

answered Jan 30 in Analytical Chemistry

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