Recent activity by Rudy59684212

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How does the size and shape of a metallic nanocluster affect its electronic and optical properties in terms of absorption and emission spectra?

asked Feb 24 in Quantum Chemistry

1 answer 42 views

What is the mechanism of passivation of stainless steel and how does it protect against corrosion?

asked Feb 22 in Surface Chemistry

1 answer 29 views

What is the most effective catalyst to use in the synthesis of polystyrene from styrene monomer, and how does its concentration affect the rate of the reaction?

answered Feb 21 in Chemical synthesis

1 answer 32 views

How does the efficiency of photosensitizers vary with respect to the wavelength of light used in a photochemical reaction? Provide experimental evidence and discuss the implications of your findings.

asked Feb 20 in PhotoChemistry

1 answer 37 views

What is the dipole moment of carbon dioxide and how does it differ from the dipole moment of water? Use your knowledge of the molecular geometry and bond polarity of these molecules to explain their dipole moments.

asked Feb 19 in Chemical bonding

1 answer 26 views

What is the coordination number and geometry of a complex formed between a central metal atom (Ni) and the ligands (en) in nickel(II) complex [Ni(en)3]2+?

asked Feb 19 in Coordination Chemistry

1 answer 29 views

What is the bond dissociation energy of the H2 molecule in kilojoules per mole? Given that the H2 molecule has a bond length of 0.74 Angstroms and the energy required to dissociate one mole of H2 into hydrogen atoms is 436 kJ/mol.

answered Feb 18 in Chemical bonding

1 answer 31 views

What is the effect of varying pH on the activity of an enzyme that breaks down biomolecules such as carbohydrates or lipids?

answered Feb 17 in Organic Chemistry

1 answer 41 views

How can the pharmacodynamic properties of a drug be investigated to determine its efficacy and safety in the body?

answered Feb 10 in Medicinal Chemistry

1 answer 30 views

How can the efficiency of photochemical degradation of pollutants in the environment be increased using photocatalysts?

asked Feb 7 in PhotoChemistry

1 answer 37 views

How can medicinal chemists modify existing antibiotics to combat drug-resistant bacteria strains?

answered Feb 6 in Medicinal Chemistry

1 answer 43 views

How can chemistry teachers provide better support and accommodations for students with learning disabilities to effectively learn and understand chemistry concepts and apply them in laboratory experiments?

answered Feb 6 in Chemical education

1 answer 54 views

How can education in environmental chemistry be improved to help students better understand the impact their chemical experiments and research may have on the environment?

asked Feb 5 in Chemical education

1 answer 39 views

How can molecular modification be used to improve the efficacy and/or reduce the side effects of current treatments for conditions such as inflammatory bowel disease and acid reflux?

asked Feb 5 in Medicinal Chemistry

1 answer 47 views

How can inadequate training for chemistry teachers affect students' learning outcomes and their interest in pursuing further education or careers in chemistry-related fields?

answered Feb 5 in Chemical education

1 answer 44 views

How can chemistry educators increase students' exposure to the practical applications of chemistry in everyday life to enhance their understanding and appreciation of the science beyond the classroom?

asked Feb 4 in Chemical education

1 answer 39 views

Calculate the standard enthalpy change for the reaction of cobalt(II) chloride hexahydrate with sodium carbonate to form cobalt(II) carbonate and sodium chloride according to the following balanced equation:CoCl2•6H2O + Na2CO3 → CoCO3 + 2 NaCl + 6 H2OGiven:- The enthalpy of hydration of cobalt(II) chloride is -787 kJ/mol.- The enthalpy of formation of sodium chloride is -411 kJ/mol.- The enthalpy of formation of cobalt(II) carbonate is -718 kJ/mol.- The enthalpy of formation of sodium carbonate is -1130 kJ/mol.

asked Feb 3 in Chemical thermodynamics

1 answer 83 views

Balance the following chemical equation: Fe + O2 → Fe2O3

answered Jan 22 in Chemical reactions

1 answer 80 views

Why was the term 'sissy' reclaimed by the LGBTQ+ community?

answered Jan 20 in Psychology

1 answer 72 views

Where was the first study on buspirone Buspar conducted for anxiety?

answered Jan 20 in Psychology

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