Recent activity by AnnetteYbc3

1 answer 18 views

What is the relationship between the intermolecular forces present in a substance and its boiling point, and how can we predict the boiling point of a given substance based on its intermolecular forces?

asked 1 day ago in Chemical bonding

1 answer 24 views

How does the reaction rate of a chemical reaction change when the stoichiometric ratio of the reactants is altered?

answered 1 day ago in Chemical kinetics

1 answer 19 views

How do the production and usage of solar energy impact the environment in terms of greenhouse gas emissions and waste generation, and what are the methods that can be employed to mitigate these negative effects?

asked 3 days ago in Environmental Chemistry

1 answer 23 views

What is the optimal reaction conditions (temperature and time) for the preparation of benzocaine from p-aminobenzoic acid and ethanol, and how do these conditions affect the yield and purity of the final product?

answered 3 days ago in Chemical synthesis

1 answer 21 views

How do the photochemical properties of gold nanoparticles differ from those of silver nanoparticles when exposed to UV radiation in a solution containing a reducing agent?

answered 3 days ago in PhotoChemistry

1 answer 21 views

Identify the type of inorganic compound formed by the combination of sodium and chlorine atoms. Is it ionic, covalent or metallic? Explain your answer.

asked 4 days ago in Inorganic Chemistry

1 answer 35 views

What is the effect of various catalysts on the reaction rate of the decomposition of hydrogen peroxide, and how do the results show the catalytic properties of each catalyst?

asked 5 days ago in Chemical kinetics

1 answer 33 views

How does the co-administration of Warfarin and Ibuprofen affect the anticoagulant effects of Warfarin?

answered 6 days ago in Medicinal Chemistry

1 answer 20 views

What is the chemical equation for the combustion of propane (C3H8) and how much oxygen (O2) is required for the complete combustion reaction?

answered 6 days ago in Chemical reactions

1 answer 26 views

What is the bond order and bond length of the carbon monoxide molecule (CO)?

asked Feb 18 in Inorganic Chemistry

1 answer 31 views

How does the binding affinity between DNA and transcription factors affect gene expression regulation?

asked Feb 17 in BioChemistry

1 answer 30 views

How does prolonged exposure to high levels of air pollutant particles, such as PM2.5, affect the human respiratory system and overall health?

asked Feb 14 in Environmental Chemistry

1 answer 29 views

How can the yield of a certain flavor compound be optimized in a production system?

asked Feb 14 in Chemical engineering

1 answer 39 views

What is the effect of surface area and particle size of the catalyst on its efficiency in heterogeneous catalysis, and what is the mechanism by which it operates?

asked Feb 13 in Surface Chemistry

1 answer 37 views

How do environmental regulations, such as the Clean Air Act and the Clean Water Act, impact the quality of air and water in industrialized areas, and what improvements do they offer in protecting the environment?

asked Feb 13 in Environmental Chemistry

1 answer 39 views

How can the photochemical properties of transition metal complexes be manipulated to design more efficient light-harvesting systems for energy conversion applications?

asked Feb 10 in PhotoChemistry

1 answer 38 views

How can the knowledge of the molecular structure of a specific target virus be used to design drugs that selectively and effectively target the virus, while minimizing side effects on human cells?

asked Feb 7 in Medicinal Chemistry

1 answer 40 views

How can the chemical industry reduce its environmental impact and promote sustainability in their projects, while still meeting economic and production goals?

answered Feb 6 in Environmental Chemistry

1 answer 52 views

Given a certain substance with a mass of 25 grams and an initial temperature of 25°C, if it absorbs 500 joules of heat energy, what is the final temperature of the substance? The heat capacity of the substance is 0.5 J/g·°C.

asked Feb 4 in Chemical thermodynamics

1 answer 32 views

Calculate the standard enthalpy change for the vaporization of 1 mole of water at 100°C, given that the enthalpy of fusion of water is 6.01 kJ/mol and the enthalpy of vaporization of water is 40.7 kJ/mol.

answered Feb 3 in Chemical thermodynamics

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