Recent activity by OfeliaDelmon

1 answer 28 views

How does the presence of a product affect the rate of a chemical reaction? Investigate the effect of varying concentration of a product on the rate of reaction using a specific chemical reaction of your choice.

asked Feb 22 in Chemical kinetics

1 answer 27 views

What is the most effective reaction conditions (temperature, pressure, catalyst, etc.) for the synthesis of high molecular weight polyvinyl alcohol from vinyl acetate monomer?

asked Feb 21 in Chemical synthesis

1 answer 31 views

What is the impact of temperature on the surface tension of water and how can it be measured experimentally using a capillary tube and a balance?

answered Feb 20 in Surface Chemistry

1 answer 36 views

What is the Faraday constant, and how can it be calculated using electrochemical data? Provide a step-by-step calculation to determine the value of the Faraday constant from the data collected during an electrochemical experiment.

asked Feb 20 in ElectroChemistry

1 answer 29 views

How does the electronic structure of transition metals determine the color of their inorganic compounds?

answered Feb 20 in Inorganic Chemistry

1 answer 36 views

What is the effect of changing the pH levels (acidic, neutral, basic) on the rate of the photochemical reaction between a photosensitive molecule and light, and how does this relate to the chemical mechanism?

answered Feb 19 in PhotoChemistry

1 answer 32 views

How does the binding affinity of protein-protein interactions change when using various ligands in molecular docking studies, and can these differences be used to design more effective drugs to treat specific diseases?

answered Feb 17 in Computational Chemistry

1 answer 26 views

What is the balanced chemical equation for the decomposition of potassium chlorate (KClO3) that yields potassium chloride (KCl) and oxygen gas (O2)?

asked Feb 17 in Chemical reactions

1 answer 28 views

What is the effect of pH on the activity of the enzyme catalase in breaking down hydrogen peroxide?

answered Feb 17 in BioChemistry

1 answer 38 views

What is the step-by-step mechanism for the synthesis of polyvinyl chloride from vinyl chloride monomer, including the role of initiator, temperature, and pressure in the reaction?

answered Feb 14 in Chemical synthesis

1 answer 52 views

How do the properties of greenhouse gases, such as carbon dioxide, methane, and nitrous oxide, contribute to global warming and what are some potential solutions for reducing their atmospheric concentrations?

answered Feb 13 in Environmental Chemistry

1 answer 37 views

How can the synthesis of polymer-based superabsorbent materials be optimized to achieve the highest absorption capacity and stability under different environmental conditions?

asked Feb 11 in Polymer Chemistry

1 answer 69 views

Given the following equations and their respective enthalpy changes:1) 2H2 (g) + O2 (g) → 2H2O (l) ΔH = -484 kJ/mol 2) C2H5OH (l) + 3O2 (g) → 2CO2 (g) + 3H2O (l) ΔH = -1,367 kJ/mol 3) C2H5OH (l) → C2H4 (g) + H2O (g) ΔH = +44 kJ/mol Using Hess’s Law, determine the ΔH for the following reaction: C2H5OH (l) → 2CO2 (g) + 3H2 (g)

answered Feb 4 in Chemical reactions

1 answer 80 views

How can we calculate the carbon footprint of an individual or a community and identify the major sources of greenhouse gas emissions? What are the possible ways to reduce the carbon footprint and mitigate the negative impact of human activities on the environment?

asked Jan 31 in Environmental Chemistry

1 answer 56 views

What part of the brain is responsible for the feeling of pleasure linked to addiction?

asked Jan 20 in Psychology

1 answer 66 views

What is the cognitive-affective personality system?

asked Jan 20 in Psychology

1 answer 76 views

According to the psychoanalytic theory, why do individuals display aggressive behavior?

asked Jan 17 in Psychology

0 answers 66 views

When was the fear-avoidance model of pain proposed?

asked Jan 16 in Psychology

1 answer 32 views

What effect does prolonged exposure to a high-pitched sound have on hearing sensitivity?

answered Jan 16 in Psychology

1 answer 45 views

When evaluating a theory, how important is it to consider the potential for future developments?

answered Jan 16 in Psychology

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