Recent activity by MozelleHess

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

asked 1 day ago in Quantum Chemistry

1 answer 24 views

How does the rate of the forward and reverse reactions affect the equilibrium constant of a chemical reaction, and what factors influence the magnitude of the equilibrium constant in a reversible reaction?

answered 3 days ago in Chemical kinetics

1 answer 13 views

How does the presence of a reaction intermediate affect the rate of a chemical reaction, and can this effect be quantified using experimental techniques?

asked 3 days ago in Chemical kinetics

1 answer 19 views

What is the effect of pH on the stability of a colloidal solution and how can this be demonstrated experimentally?

answered 4 days ago in Surface Chemistry

1 answer 19 views

What is the most efficient method for the synthesis of metal-organic frameworks using renewable and sustainable precursors as starting materials?

answered 4 days ago in Materials Chemistry

1 answer 23 views

How does the molecular weight of a polymer affect its physical properties?

answered 4 days ago in Physical Chemistry

1 answer 27 views

What is the effect of varying concentrations of hydroxyapatite nanoparticles on the mechanical properties of collagen-based biomaterials used in tissue engineering?

asked 6 days ago in Materials Chemistry

1 answer 15 views

How does the discharge of toxic chemicals from a particular industrial project affect the pH levels and dissolved oxygen levels in the receiving watershed?

answered 6 days ago in Environmental Chemistry

1 answer 26 views

What factors influence the color of inorganic compounds and how can we predict the color of various compounds based on their electronic structure and coordination geometry?

asked Feb 18 in Inorganic Chemistry

1 answer 31 views

How does the chemical composition of natural products affect their pharmacological activity and potential for medicinal use?

asked Feb 18 in Medicinal Chemistry

1 answer 14 views

What is the bond order of the nitrogen molecule (N2) based on molecular orbital theory?

answered Feb 18 in Chemical bonding

1 answer 14 views

What is the bond angle in a molecule of ammonia (NH3) and how is it predicted using the theory of valence shell electron pair repulsion (VSEPR)?

answered Feb 18 in Chemical bonding

1 answer 37 views

How does the addition of nanoparticles affect the mechanical properties of polymer nanocomposites, and what is the optimal concentration of nanoparticles for improving strength and toughness without sacrificing flexibility?

answered Feb 17 in Polymer Chemistry

1 answer 47 views

What is the electronic configuration and molecular structure of hydrogen fluoride (HF) molecule using quantum mechanics principles?

answered Feb 13 in Physical Chemistry

1 answer 39 views

What is the predicted acidity or basicity of the molecule H2SO4? Show the calculations and any relevant theories used to arrive at your answer.

answered Feb 13 in Chemical bonding

1 answer 41 views

What are the key differences between Differential Scanning Calorimetry (DSC) and Thermal Gravimetric Analysis (TGA) for the characterization of polymeric materials and how do these differences affect the interpretation of the test results?

asked Feb 12 in Polymer Chemistry

1 answer 11 views

How can we use computer-aided drug design (CADD) to identify new compounds with better anticancer activity compared to existing chemotherapy drugs?

answered Feb 12 in Medicinal Chemistry

1 answer 40 views

How can the stability of a polymer be improved and its degradation reduced under different environmental conditions, such as exposure to heat or sunlight?

answered Feb 10 in Polymer Chemistry

1 answer 42 views

How can the production process for a specific food additive be optimized to increase yield, while also maintaining the desired purity and quality of the final product?

answered Feb 10 in Chemical engineering

1 answer 31 views

How can the mechanical properties (tensile strength, fracture toughness, etc.) of polymer-based composites for aerospace applications be improved without compromising their lightweight characteristic?

answered Feb 10 in Polymer Chemistry

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