Recent activity by LeoQuinonez1

1 answer 13 views

What is the role of the particle size and surface area in the catalytic activity of solid surfaces? Provide examples of industrial applications where the knowledge of surface chemistry is crucial for the development of efficient catalysts.

asked 1 day ago in Surface Chemistry

1 answer 20 views

How does the rate of a chemical reaction affect the potential for a hazardous event to occur, and what measures can be taken to mitigate the risk and ensure reaction safety?

asked 3 days ago in Chemical kinetics

1 answer 24 views

What is the predicted bond angle in a molecule of carbon dioxide (CO2)?

answered 3 days ago in Chemical bonding

1 answer 22 views

How does the photophysical and photochemical behavior of lanthanide complexes change as a function of their coordination environment and the ligands coordinated to the central lanthanide ion?

asked 3 days ago in PhotoChemistry

1 answer 22 views

What is the optimized conditions for synthesizing polyvinylpyrrolidone from vinylpyrrolidone monomer in terms of temperature, solvent, reaction time, and catalyst concentration?

answered 3 days ago in Chemical synthesis

1 answer 23 views

What is the most effective metal catalyst for the selective oxidation of hydrocarbons to aldehydes and ketones, and how does the surface structure and composition of the metal affect the selectivity and efficiency of the reaction?

asked 4 days ago in Surface Chemistry

1 answer 35 views

What is the magnetic moment of the molecule NO (Nitric oxide) in its ground state, and how does it change upon excitation to its first excited state?

asked 5 days ago in Quantum Chemistry

1 answer 22 views

How does the incorporation of specific metal ions into a metal-organic framework (MOF) affect the predicted electronic and magnetic properties of the MOF?

answered 5 days ago in Quantum Chemistry

1 answer 18 views

What is the standard enthalpy change for the fusion reaction of hydrogen atoms to form helium atoms? Give the equation for the reaction and show all calculations involved in determining the answer.

asked 5 days ago in Chemical thermodynamics

1 answer 24 views

What is the effect of temperature on the surface tension of water and why is it important in understanding the behavior of liquids in various applications?

answered 5 days ago in Surface Chemistry

1 answer 23 views

How many ATP molecules can be produced by the complete oxidation of one molecule of glucose through the Citric Acid Cycle and Oxidative Phosphorylation?

asked 6 days ago in BioChemistry

1 answer 42 views

How does the change in temperature affect the energy transfer processes in a molecule, and what is the relationship between temperature and the rate of molecular dynamics?

answered Feb 18 in Quantum Chemistry

1 answer 22 views

What is the bond angle of water molecule (H2O) according to the VSEPR theory and how does it affect the molecule's structure and properties?

answered Feb 18 in Chemical bonding

1 answer 20 views

What is the balanced chemical equation for the synthesis reaction between calcium oxide (CaO) and water (H2O)?

answered Feb 17 in Chemical reactions

1 answer 27 views

What is the relationship between the acidity of carboxylic acids and structure of the acid derivatives?

answered Feb 17 in Organic Chemistry

1 answer 22 views

How can we predict the stability of inorganic compounds based on their chemical structures and electronic configurations?

answered Feb 14 in Inorganic Chemistry

1 answer 25 views

What effect does molecular weight have on the rheological properties of polymer melts?

asked Feb 13 in Polymer Chemistry

1 answer 40 views

What is the role of metal ions in the catalytic activity of metalloenzymes and metalloproteins, and how does the coordination chemistry of these metal ions contribute to their function?

asked Feb 13 in Coordination Chemistry

1 answer 35 views

What effect will increasing the pressure have on the equilibrium position of a reaction where the number of moles of gas increases? Provide an explanation based on Le Chatelier's principle.

asked Feb 13 in Chemical equilibrium

1 answer 59 views

How does the entropy of a system change during an irreversible process such as an exothermic chemical reaction? Use the concepts of non-equilibrium thermodynamics to explain your answer.

asked Feb 13 in Physical Chemistry

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