Recent activity by RosettaMcinn

1 answer 30 views

How does the microstructure of superconducting materials affect their critical temperature and critical current density?

answered Feb 20 in Materials Chemistry

1 answer 37 views

How does the body biosynthesize the non-essential amino acids and what are the chemical reactions involved?

answered Feb 20 in BioChemistry

1 answer 26 views

How does the chemical structure of the nucleotides in DNA affect the fidelity and efficiency of DNA replication and repair mechanisms? Provide specific examples.

asked Feb 18 in BioChemistry

1 answer 31 views

How does the addition of biodegradable fillers affect the mechanical properties and environmental impact of polymer-based packaging materials?

answered Feb 17 in Polymer Chemistry

1 answer 33 views

What is the crystal structure of sodium chloride and how does it affect the physical and chemical properties of the compound?

asked Feb 14 in Physical Chemistry

1 answer 64 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?

asked Feb 13 in Environmental Chemistry

1 answer 32 views

What is the effect of changing the concentration of one reactant on the reaction rate of a second-order reaction? Provide numerical data to support your answer.

answered Feb 13 in Chemical kinetics

1 answer 63 views

What would be the molecular geometry and polarity of IF5 in the gas phase?

answered Feb 13 in Inorganic Chemistry

1 answer 54 views

What is the net ATP gained during glycolysis, and how is it generated?

answered Feb 13 in BioChemistry

1 answer 37 views

Which type of isomerism is exhibited by cis- and trans-dichloroethene molecules and how can this be determined experimentally?

asked Feb 12 in Chemical bonding

1 answer 70 views

How can the synthesis of ibuprofen from 2-methylpropylbenzene and carbon dioxide be optimized in terms of yield and purity, while minimizing the formation of unwanted byproducts?

asked Feb 11 in Chemical synthesis

1 answer 38 views

How can the electrical conductivity of polymer-based electronic materials be optimized for use in electronic devices?

asked Feb 7 in Polymer Chemistry

1 answer 39 views

How can the efficiency of polymer-based photovoltaic materials be improved through the modification of their chemical structure?

asked Feb 7 in Polymer Chemistry

1 answer 45 views

How can the alignment of liquid crystal molecules be effectually manipulated to increase the viewing angle and contrast of displays without impacting their energy efficiency?

answered Feb 6 in Materials Chemistry

1 answer 36 views

How can computational studies of enzyme catalysis help in the development of new drugs for treating diseases?

asked Feb 6 in Computational Chemistry

1 answer 68 views

Calculate the standard enthalpy change for the dissolution reaction of 10.0 g of NaOH(s) in 100.0 g of water at 25°C, given that the heat absorbed by the solution is 9.14 kJ. (Molar mass of NaOH = 40.00 g/mol and specific heat capacity of water = 4.18 J/g·°C)

asked Feb 3 in Chemical thermodynamics

1 answer 99 views

How does the process of alternative splicing of pre-mRNA molecules result in a diverse range of protein isoforms being produced within a single organism's proteome?

asked Jan 31 in BioChemistry

1 answer 74 views

Calculate the enthalpy of combustion of ethanol (C2H5OH) if 45.1 g of ethanol is burned completely in excess oxygen, producing 145.5 kJ of heat energy.

asked Jan 23 in ThermoChemistry

1 answer 82 views

Calculate the bond angles and molecular geometry of the methane (CH4) molecule by using quantum chemistry principles.

asked Jan 23 in Quantum Chemistry

1 answer 85 views

A chemistry student wants to investigate the adsorption behavior of a gas on a solid surface. Using the Langmuir adsorption isotherm, determine the maximum adsorption capacity of the surface and the equilibrium constant, if the surface area of the solid is 10 cm$^2$ and the gas pressure is varied from 0.1 to 1 bar at a constant temperature of 298 K.

answered Jan 22 in Surface Chemistry

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