Recent activity by IolaHolly818

1 answer 23 views

How does the sequence of nucleotides in DNA determine the amino acid sequence of a protein during RNA transcription and translation?

answered 2 days ago in BioChemistry

1 answer 26 views

How does the presence of different ligands affect the electronic and magnetic properties of transition metal complexes? Provide specific examples and explain the underlying quantum mechanical principles that govern these properties.

asked 5 days ago in Quantum Chemistry

1 answer 26 views

What is the optimum reaction condition for the synthesis of nylon-6,6 from adipic acid and hexamethylenediamine with the highest yield and purity?

answered 5 days ago in Chemical synthesis

1 answer 19 views

What is the molecular geometry and bond angle of a water molecule (H2O)?

answered 6 days ago in Quantum Chemistry

1 answer 8 views

What is the effect of varying the oxidation state of the dopant on the electronic conductivity of conductive polymers, and how can this be optimized for use in flexible electronics?

answered Feb 20 in Materials Chemistry

1 answer 22 views

What is the balanced chemical equation for the double replacement reaction between calcium chloride and potassium phosphate?

asked Feb 17 in Chemical reactions

1 answer 22 views

How does the addition of an electrolyte affect the stability of a colloidal dispersion and what are the factors that determine whether the dispersion will coagulate or remain stable?

asked Feb 17 in Surface Chemistry

1 answer 29 views

What is the role of RNA polymerase in RNA transcription, and how does it differ from DNA polymerase in DNA replication?

answered Feb 14 in BioChemistry

1 answer 33 views

How can we predict the stability of inorganic compounds in relation to their structural features and electronic configuration?

answered Feb 14 in Inorganic Chemistry

1 answer 48 views

How do industrial projects impact air quality in the surrounding environment and what environmental chemistry principles can be applied to assess and mitigate their potential negative effects?

answered Feb 13 in Environmental Chemistry

1 answer 35 views

What is the difference between E1 and E2 mechanisms in elimination reactions? Provide an example of each mechanism and discuss the factors that influence the rate of each reaction.

answered Feb 13 in Organic Chemistry

1 answer 49 views

How can the synthesis and characterization of new proton exchange membranes (PEMs) be optimized to improve their performance in fuel cells?

asked Feb 11 in Materials Chemistry

1 answer 54 views

How can the surface chemistry of food and beverage processing be modulated to design more efficient and sustainable food packaging materials that prolong shelf-life and enhance safety?

answered Feb 11 in Surface Chemistry

1 answer 47 views

How can the quantum theory be used to predict the electronic and magnetic properties of transition metal complexes with different ligands?

asked Feb 10 in Quantum Chemistry

1 answer 11 views

How can the electronic and optical properties of silver nanoparticles be calculated using quantum chemistry methods?

answered Feb 7 in Quantum Chemistry

1 answer 33 views

How can any newly developed treatment for gastrointestinal diseases target the specific site of inflammation in the gastrointestinal tract while avoiding adverse effects in other organs?

asked Feb 4 in Medicinal Chemistry

1 answer 33 views

Calculate the standard enthalpy change for the reaction: 2C2H5OH(l) + 9O2(g) -> 6CO2(g) + 8H2O(l) given that the standard enthalpy of formation for C2H5OH(l) is -278 kJ/mol, for CO2(g) is -394 kJ/mol and for H2O(l) is -286 kJ/mol.

asked Feb 3 in Chemical thermodynamics

1 answer 76 views

Question: How do carbohydrate-protein interactions contribute to the recognition and specificity of enzymes towards their substrates in biochemical reactions?

answered Jan 31 in BioChemistry

1 answer 88 views

What is the concentration of iron (Fe) ions in a water sample collected from a river using spectrophotometry with an absorbance reading of 0.75 and known molar absorptivity of 3.6 x 10^3 L mol^-1 cm^-1? The sample has a path length of 1 cm and a volume of 25 mL.

answered Jan 30 in Analytical Chemistry

1 answer 86 views

What is the chemical structure of compound X, based on the nuclear magnetic resonance (NMR) spectra?

asked Jan 30 in Analytical Chemistry

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