Recent activity by Leif76792351

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How does the size and shape of graphene sheets affect their electrical conductivity and suitability for use in electronic devices?

asked 2 days ago in Materials Chemistry

1 answer 20 views

How does the route of administration affect the pharmacokinetics of a drug in the body? Specifically, compare the pharmacokinetic parameters (such as absorption, distribution, metabolism, and excretion) of a drug administered orally versus intravenously.

asked 2 days ago in Medicinal Chemistry

1 answer 26 views

What is the percentage composition by mass of carbon, hydrogen, and nitrogen in a compound if elemental analysis shows that it contains 54.5% carbon, 9.1% hydrogen, and 36.4% nitrogen?

asked 5 days ago in Analytical Chemistry

1 answer 27 views

What is the most effective method for treating and disposing of low-level radioactive waste to minimize its impact on the environment?

asked 5 days ago in Environmental Chemistry

1 answer 26 views

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

answered 6 days ago in Quantum Chemistry

1 answer 28 views

How does the energy of excited state molecules vary as a function of their electronic configuration?

answered Feb 20 in Computational Chemistry

1 answer 33 views

What is the effect of temperature on the rate of the reaction between hydrochloric acid and sodium thiosulfate? Provide experimental evidence for your answer.

answered Feb 20 in Chemical kinetics

1 answer 29 views

How do the coordination chemistry principles of chelation therapy explain the formation and stability of metal ion complexes used for the treatment of diseases such as iron overload and heavy metal poisoning?

asked Feb 19 in Coordination Chemistry

1 answer 31 views

What is the color of the copper(II) sulfate aqueous solution and the solid copper(II) sulfate pentahydrate (CuSO4·5H2O) and why do they exhibit these colors?

asked Feb 18 in Inorganic Chemistry

1 answer 32 views

How does the choice of polymer structure and morphology impact the efficiency of polymer-based photovoltaic materials?

asked Feb 18 in Polymer Chemistry

1 answer 23 views

What is the bond enthalpy of a chlorine molecule (Cl2), given that the bond dissociation energy of one chlorine-chlorine bond is 242 kJ/mol?

answered Feb 18 in Chemical bonding

1 answer 34 views

What are the most common mistakes students make when trying to understand the organization of the periodic table? How can these mistakes be avoided to better understand the chemical elements and their properties?

answered Feb 14 in Chemical education

1 answer 21 views

How do molecular orbital theory and hybridization explain the bonding in complex molecules such as benzene?

asked Feb 13 in Chemical education

1 answer 31 views

How can we improve the conductivity of polymer-based electronic materials?

asked Feb 13 in Polymer Chemistry

1 answer 26 views

What are the key molecular targets for developing new treatments for hypertension and what are the different strategies that medicinal chemists can use to design effective drugs that target these molecular targets?

asked Feb 13 in Medicinal Chemistry

1 answer 34 views

How many geometric isomers can be formed for the square planar complex (PtCl₂(NH₃)₂)?

answered Feb 13 in Coordination Chemistry

1 answer 48 views

How does exposure to different air pollutants affect the respiratory health of individuals in urban areas compared to those living in rural areas, and what are the specific chemical mechanisms involved in these effects?

asked Feb 13 in Environmental Chemistry

1 answer 10 views

How do the photochemical properties of enantiomers differ and what are the implications of these differences in chemistry and in everyday life?

asked Feb 13 in PhotoChemistry

1 answer 35 views

How do different chemical functional groups affect the electronic properties and reactivity of surfaces in catalytic reactions, as determined by density functional theory calculations?

asked Feb 12 in Computational Chemistry

1 answer 29 views

What is the difference between coordination polymers and metal-organic frameworks in terms of their structures, bonding, and applications in industries? Provide an example of each and discuss their potential use in catalysis or gas storage.

asked Feb 12 in Coordination Chemistry

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