Recent activity by UnaHolt18437

1 answer 12 views

How does the rate of a photochemical reaction vary with increasing light intensity?

1 answer 31 views

How does the pH level of water affect the survival and growth of aquatic organisms in polluted waters?

1 answer 30 views

How does the increase in greenhouse gas concentrations, such as carbon dioxide and methane, contribute to global warming and what actions can be taken to mitigate this effect?

asked Feb 20 in Environmental Chemistry

1 answer 30 views

How does the coordination of metal ions affect the catalytic activity of metalloenzymes and metalloproteins? Provide specific examples and discuss the possible mechanisms involved.

answered Feb 19 in Coordination Chemistry

1 answer 24 views

How does the choice of photosensitizer affect the efficiency of a photochemical reaction, and what factors should be considered when selecting a photosensitizer for a specific application?

answered Feb 18 in PhotoChemistry

1 answer 40 views

How does the charge of colloidal particles affect their interaction with each other and their stability in a solution? Discuss the role of electrostatic and van der Waals interactions in determining the behavior of colloidal particles.

asked Feb 18 in Physical Chemistry

1 answer 33 views

How does the exposure to pesticide residues in fruits and vegetables affect the concentration of organophosphate metabolites in children's urine samples?

asked Feb 13 in Environmental Chemistry

1 answer 56 views

What is the role of disulfide bridges in determining the structure and function of proteins, particularly enzymes? How do variations in the number and placement of disulfide bonds affect enzymatic activity?

answered Feb 12 in BioChemistry

1 answer 35 views

How can we design a cost-effective and efficient system for the treatment of industrial wastewater, while minimizing the risks of harmful chemical discharge into the environment?

asked Feb 12 in Chemical engineering

1 answer 37 views

How can the lack of emphasis on environmental chemistry in chemical education be addressed to better equip future chemists with the knowledge and skills needed to tackle environmental issues and promote sustainable practices in the field?

answered Feb 7 in Chemical education

1 answer 31 views

How can computational methods be used to predict the properties of metal-organic frameworks, and what are the most promising applications of these materials in the field of catalysis?

answered Feb 5 in Computational Chemistry

1 answer 34 views

How can chemistry education be improved to better train chemistry teachers and ensure that they have the necessary qualifications to effectively teach students?

asked Feb 4 in Chemical education

1 answer 36 views

How can a chemist design a process for the production of specialty chemicals that maximizes yield and minimizes waste?

asked Jan 30 in Chemical engineering

1 answer 83 views

How can a chemical engineer develop a cost-effective and sustainable process for the production of specialty chemicals, such as pharmaceuticals and cosmetics, while minimizing waste and reducing environmental impact?

answered Jan 30 in Chemical engineering

1 answer 78 views

Calculate the enthalpy change for the hydrolysis of 0.025 moles of ethyl acetate (C4H8O2) in the presence of excess water, given that the enthalpy of reaction is -56.0 kJ/mol.

answered Jan 23 in ThermoChemistry

1 answer 107 views

Calculate the bond dissociation energy of the carbon-hydrogen bond in methane (CH4) given that the bond enthalpy of C-H bond is 413 kJ/mol.

asked Jan 23 in Chemical bonding

1 answer 70 views

Why was the intergroup contact theory developed?

answered Jan 20 in Psychology

1 answer 40 views

What are the ethical considerations in discursive psychological research?

answered Jan 20 in Psychology

1 answer 59 views

When was the concept of implicit bias introduced?

asked Jan 20 in Psychology

1 answer 53 views

How might terror management theory influence end-of-life attitudes?

answered Jan 20 in Psychology

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