Answers by SoniaFanny4

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What is the optimal molar ratio of aniline to nitric acid for the preparation of p-nitroaniline through nitration, and how does altering the ratio affect the yield and selectivity of the product?

answered 4 days ago in Chemical synthesis

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29 views

What is the most effective UV filter substance in commercially available sunscreens, and what is its mechanism of action in protecting the skin from harmful UV radiation?

answered 4 days ago in PhotoChemistry

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22 views

What is the most effective method for synthesizing metal nanoparticles with a size range of 10-50 nm, using environmentally friendly and cost-effective approaches?

answered 4 days ago in Materials Chemistry

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37 views

What is the effect of surface area on the adsorption of nitrogen gas on activated carbon?

answered 6 days ago in Surface Chemistry

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What would be the effect on the formation of a complex ion if the pH is changed from 7 to 10? Provide a rationale for your answer based on the principles of chemical equilibrium and the properties of the specific complex ion under consideration.

answered 6 days ago in Chemical equilibrium

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27 views

How is the binding affinity of a particular protein-protein interaction affected by changes in pH?

answered Feb 17 in BioChemistry

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28 views

How does the quantum chemical calculation of excited states of a molecule help in understanding its electronic structure and the absorption spectrum?

answered Feb 14 in Computational Chemistry

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38 views

What is the role of metal ions in the catalytic activity of enzymes? Provide examples of metalloproteins, their metal centers, and their respective chemical reactions.

answered Feb 13 in Coordination Chemistry

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35 views

Identify the geometry and polarity of the iodine trifluoride (IF3) molecule.

answered Feb 13 in Inorganic Chemistry

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49 views

How can we improve the efficiency of polymer-based drug delivery systems?

answered Feb 13 in Polymer Chemistry

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32 views

How to design a cost-effective and environmentally friendly system for treating the industrial wastewater of a manufacturing plant that involves the production of heavy metals and toxic chemicals?

answered Feb 12 in Chemical engineering

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35 views

How can the adhesive properties of polymer-based adhesives be optimized for use in high-temperature environments?

answered Feb 6 in Polymer Chemistry

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64 views

Here's a question for the student: What are the possible resonance structures of the nitrate ion (NO3-) and explain how the resonance hybrid structure is different from any of the contributing resonance structures?

answered Feb 4 in Chemical bonding

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53 views

How do the coordination chemistry principles of chelation therapy contribute to the removal of toxic metal ions from the human body?

answered Jan 22 in Coordination Chemistry

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93 views

A 50.0 g sample of ethanol is heated from 25.0 °C to 85.0 °C, and absorbs 237 J of heat. What is the specific heat capacity of ethanol?

answered Jan 22 in ThermoChemistry

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68 views

Who is known for the ecological systems theory of development?

answered Jan 20 in Psychology

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33 views

When might preventative interventions be useful?

answered Jan 20 in Psychology

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45 views

According to Eysenck's trait theory, what are the three major dimensions of personality?

answered Jan 20 in Psychology

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58 views

According to the olfactory coding theory, how are smells represented in the brain?

answered Jan 20 in Psychology

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28 views

How can positive psychology be applied to personal growth?

answered Jan 20 in Psychology

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