Recent activity by AlisiaBarwel

1 answer 29 views

How does the size and shape of microplastics affect their toxicity levels to marine organisms, and what chemical reactions or processes occur when these microplastics accumulate in the marine food chain?

answered Feb 24 in Environmental Chemistry

0 answers 22 views

How does the size and shape of graphene nanoparticles affect their electronic and optical properties? And, how can we calculate these properties using quantum chemistry principles?

asked Feb 24 in Quantum Chemistry

1 answer 27 views

How does the presence of heavy metals in soil affect the growth and nutritional value of crops, and what methods can be used to remediate contaminated soils?

asked Feb 22 in Environmental Chemistry

1 answer 36 views

What is the optimal reaction conditions required for the synthesis of polyethylene oxide from ethylene oxide monomer with the highest molecular weight and the highest yield?

answered Feb 21 in Chemical synthesis

1 answer 21 views

What is the effect of temperature on the rate of the reaction between magnesium and hydrochloric acid, and how does it relate to the Arrhenius equation?

answered Feb 20 in Chemical kinetics

1 answer 35 views

How does the concentration of reactants affect the rate and efficiency of a chemical reaction? Provide experimental evidence to support your answer.

asked Feb 19 in Chemical kinetics

1 answer 50 views

How does the choice of carbon source and growth technique affect the structure, properties, and applications of carbon nanotubes synthesized through chemical vapor deposition (CVD)?

asked Feb 18 in Materials Chemistry

1 answer 28 views

How does the addition of different plasticizers affect the ionic conductivity of polymer electrolytes for batteries?

answered Feb 17 in Polymer Chemistry

1 answer 42 views

What is the activation energy for the decomposition of hydrogen peroxide in the presence of a catalyst at a specific temperature? How does the activation energy compare to the uncatalyzed reaction?

answered Feb 17 in Chemical kinetics

1 answer 34 views

How does quantum coherence and entanglement affect the properties and behavior of molecular and nanoscale systems, and what are the potential practical applications of this knowledge in fields such as quantum computing and nanotechnology?

answered Feb 14 in Quantum Chemistry

1 answer 39 views

How do different types of organic fertilizers, such as compost and manure, impact soil health and crop yield in sustainable agriculture practices, and what are the environmental implications of their use?

asked Feb 14 in Environmental Chemistry

1 answer 61 views

What is the structural difference between cis- and trans-isomers of butenedioic acid? Explain how this difference affects the physical and chemical properties of these isomers.

answered Feb 12 in Organic Chemistry

1 answer 100 views

What is the role of chlorofluorocarbons (CFCs) in the process of ozone depletion and how does their chemical structure contribute to their impact on the atmosphere?

asked Feb 12 in Environmental Chemistry

1 answer 113 views

How does the chirality of a molecule affect its photochemical properties, and what are the practical applications of this phenomenon in chemical and biological systems?

answered Feb 12 in PhotoChemistry

1 answer 58 views

How can the swelling properties of polymer-based superabsorbent materials be optimized for better performance in applications such as agriculture or disposable hygiene products?

asked Feb 11 in Polymer Chemistry

1 answer 36 views

How can the properties of semiconductors be tailored to enhance the efficiency and performance of electronic devices, such as solar cells and transistors?

asked Feb 10 in Materials Chemistry

1 answer 46 views

How can chemistry educators make the subject more engaging and interesting for students to increase their interest in the subject?

asked Feb 4 in Chemical education

1 answer 76 views

What is the dipole moment of carbon dioxide?

asked Jan 31 in Chemical bonding

1 answer 83 views

Calculate the standard enthalpy of formation (\Delta H_{f}^{\circ}) for Carbon dioxide (CO_2) using quantum chemical calculations.

asked Jan 31 in Quantum Chemistry

1 answer 101 views

How effective are current environmental regulations in protecting air quality from industrial pollution in the United States?

answered Jan 31 in Environmental Chemistry

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