Recent activity by OtisMacGilli

1 answer 26 views

What is the rate of reaction for the decomposition of hydrogen peroxide when the initial concentration is 0.1 M, and the reaction produces 0.02 moles of oxygen gas in 30 seconds?

answered Feb 22 in Chemical reactions

1 answer 63 views

How does the photochemical behavior of a supramolecular assembly vary with changes in its structure and composition?

answered Feb 22 in PhotoChemistry

1 answer 28 views

How does the metal coordination environment of heme non-catalytic subunits of hemoglobin affect oxygen binding affinity at high altitude?

asked Feb 20 in Coordination Chemistry

1 answer 31 views

How does the energy of an excited state differ from that of the ground state in a molecule and what methods can be used in quantum chemical calculations to determine the energy of excited states?

answered Feb 20 in Computational Chemistry

1 answer 35 views

What is the effect of different surface modification techniques on the contact angle of a polymer film?

asked Feb 19 in Surface Chemistry

1 answer 31 views

How does the dielectric constant of a solvent affect the reaction rate of a chemical reaction?

asked Feb 19 in Chemical kinetics

1 answer 48 views

What is the synthesis procedure and spectroscopic characterization (FTIR, UV-Vis) of [Cu(NH3)4(H2O)2](NO3)2?

answered Feb 17 in Coordination Chemistry

1 answer 36 views

What is the effect of quantum coherence and entanglement on the efficiency and selectivity of chemical reactions in molecular and nanoscale systems?

answered Feb 14 in Quantum Chemistry

1 answer 31 views

What is the chemical structure of pyrrole and what are its properties that make it a key building block for many natural products and pharmaceutical drugs? Provide a specific example of a compound derived from pyrrole and explain its medicinal properties.

asked Feb 14 in Organic Chemistry

1 answer 33 views

How do persistent organic pollutants (POPs) impact the food chain and what are the mechanisms of their bioaccumulation in the environment?

answered Feb 14 in Environmental Chemistry

1 answer 58 views

How does increasing pressure affect the rate of reaction between hydrogen gas and iodine gas to form hydrogen iodide gas, and what is the rate law expression for this reaction under high-pressure conditions?

asked Feb 13 in Chemical kinetics

1 answer 63 views

Identify the possible types of isomerism in a molecule with the chemical formula C4H10O and explain the differences between each type of isomerism.

answered Feb 13 in Chemical bonding

1 answer 59 views

How can the production of fragrances be optimized to ensure maximum efficiency, minimal waste, and consistent quality? What are the key steps and parameters that need to be considered in the development of a sustainable and effective fragrance production process, and how can these be optimized through chemistry and chemical engineering principles?

answered Feb 10 in Chemical engineering

1 answer 38 views

How can the knowledge of the mechanism of photochemical reactions in organic compounds be used to predict the products formed and optimize reaction conditions for improved yield?

answered Feb 7 in PhotoChemistry

1 answer 57 views

Calculate the standard enthalpy change for the formation of one mole of methane (CH4) gas given the following information: - Heat of combustion of methane gas is -890.36 kJ/mol - Heat of formation of water (H2O) liquid is -285.83 kJ/mol - Heat of formation of carbon dioxide (CO2) gas is -393.52 kJ/mol

asked Feb 3 in Chemical thermodynamics

1 answer 64 views

Calculate the standard enthalpy change for the following reaction, given the standard enthalpies of formation:2Fe (s) + 3Cl2 (g) → 2FeCl3 (s)ΔH°f(FeCl3) = -399.4 kJ/molΔH°f(Fe) = 0 kJ/molΔH°f(Cl2) = 0 kJ/mol

answered Feb 3 in Chemical thermodynamics

1 answer 98 views

How do changes in the electronic structure of reactants affect the rate and mechanism of electron transfer processes during redox reactions?

answered Jan 31 in Quantum Chemistry

1 answer 98 views

What is the role of carbohydrate-protein interactions in the recognition of cell surface receptors and how does the specific structure of carbohydrates contribute to this recognition process?

asked Jan 31 in BioChemistry

1 answer 132 views

What is the carbon footprint of a typical person in your community and what specific actions could be taken to reduce it?

answered Jan 31 in Environmental Chemistry

1 answer 101 views

How do the components of a sample mix affect the separation and resolution of compounds during capillary electrophoresis analysis? Develop a protocol to optimize the separation and resolution of a mixture containing two or more compounds using capillary electrophoresis.

answered Jan 30 in Analytical Chemistry

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