Recent activity by LovieCastles

1 answer 28 views

What is the most efficient method for synthesizing quantum dots with a narrow size distribution and high quantum yield using environmentally friendly solvents and non-toxic precursors?

asked Feb 21 in Materials Chemistry

1 answer 22 views

What is the Lewis structure for the molecule of carbon dioxide?

asked Feb 20 in Chemical bonding

1 answer 30 views

How does the concentration of nitrogen and phosphorus in agricultural runoff affect the growth of harmful algal blooms in nearby bodies of water, and what chemical treatments can be used to remediate the issue?

asked Feb 19 in Environmental Chemistry

1 answer 37 views

How does Rubisco enzyme catalyze the chemical reaction involved in carbon fixation during photosynthesis, and what factors affect its efficiency?

asked Feb 14 in BioChemistry

1 answer 49 views

What specific compounds are present in a sample of an unknown substance using Raman spectroscopy and how can we identify and quantify them?

answered Feb 14 in Analytical Chemistry

1 answer 45 views

What are the factors that affect protein folding, and how can changes in these factors impact the overall structure and function of the protein?

asked Feb 14 in BioChemistry

1 answer 39 views

What is the role of metal ions in the structure and function of metalloenzymes and metalloproteins, and how does their coordination chemistry contribute to their catalytic activity?

asked Feb 13 in Coordination Chemistry

1 answer 65 views

How can the sensitivity and selectivity of polymer-based gas sensors be enhanced?

answered Feb 10 in Polymer Chemistry

1 answer 42 views

How can the efficiency of polymer-based photovoltaic materials be improved through the manipulation of molecular structure and film morphology?

answered Feb 7 in Polymer Chemistry

1 answer 37 views

How can the efficiency of a hydrogen production system be optimized by choosing the appropriate catalyst and operating conditions?

asked Feb 7 in Chemical engineering

1 answer 42 views

How can quantum information processing and quantum computing be applied in the field of drug design to improve the efficiency and accuracy of predicting the behavior of molecules and their interactions with biological systems?

asked Feb 5 in Quantum 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?

answered Feb 4 in Chemical education

1 answer 68 views

Calculate the standard free energy change (ΔG°) for the following reaction at 25°C: 2Fe2+(aq) + Cu2+(aq) -> 2Fe3+(aq) + Cu+(aq) (Standard reduction potentials: Fe3+(aq) + e- -> Fe2+(aq) E° = 0.77 V Cu2+(aq) + e- -> Cu+(aq) E° = 0.16 V)

asked Feb 3 in Chemical thermodynamics

1 answer 104 views

What are the mechanisms of action of anti-inflammatory drugs and how do they affect the body's immune response?

answered Jan 31 in Medicinal Chemistry

1 answer 88 views

How can a chemical engineer develop a cost-effective and efficient process for the production of industrial gases such as nitrogen, oxygen, and argon?

asked Jan 30 in Chemical engineering

1 answer 103 views

What is the concentration of copper in a sample of ore from a mine, obtained from a particular site, using X-ray fluorescence spectroscopy?

asked Jan 30 in Analytical Chemistry

1 answer 74 views

Calculate the heat (in kJ/mol) evolved when 1 mole of hydrogen gas is adsorbed on a surface if the enthalpy of adsorption for hydrogen is -30 kJ/mol.

answered Jan 23 in ThermoChemistry

1 answer 68 views

Calculate the formal charge of the oxygen atom and the chlorine atom in the perchlorate ion, ClO₄⁻. Show your work and explain how you arrived at your answer.

answered Jan 23 in Inorganic Chemistry

1 answer 87 views

Calculate the enthalpy change of the following reaction: 2C(s) + 2H2(g) + 5O2(g) -> 2CO2(g) + 2H2O(l) Given the enthalpies of formation of CO2(g), H2O(l), and H2(g) are -393.5 kJ/mol, -285.8 kJ/mol, and -241.8 kJ/mol, respectively.

asked Jan 23 in ThermoChemistry

1 answer 16 views

Calculate the enthalpy change for the following combustion reaction:C2H6(g) + 7/2 O2(g) --> 2CO2(g) + 3H2O(l)Using the following reactions and their corresponding enthalpies of formation:C2H6(g) + 3 1/2 O2(g) --> 2CO2(g) + 3H2O(l) ΔH°f = -1560 kJ/mol2H2(g) + O2(g) --> 2H2O(l) ΔH°f = -484 kJ/mol.

answered Jan 23 in ThermoChemistry

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