Recent activity by TrinaLain087

1 answer 17 views

How does the size and shape of graphene nanoribbons affect their electronic and optical properties compared to bulk graphene? Provide calculations to support your answer.

asked 1 day ago in Quantum Chemistry

1 answer 22 views

What are the products of the following reaction: FeCl3 + KSCN? And what type of reaction is it?

answered 3 days ago in Inorganic Chemistry

1 answer 23 views

How does the concept of bonding and molecular structure explain the difference in reactivity between ethanol and propanol? Use quantum mechanics principles to support your explanation.

answered 6 days ago in Physical Chemistry

1 answer 20 views

How does the concentration of photosensitizer affect the rate of a photochemical reaction?

answered Feb 18 in PhotoChemistry

1 answer 31 views

How does the choice of polymer type and 3D printing parameters (e.g., temperature, speed, layer thickness) affect the mechanical properties (e.g., strength, flexibility) of the printed object?

asked Feb 18 in Polymer Chemistry

1 answer 34 views

What factors affect the crystallization process of a polymer and how do they impact the polymer's ultimate morphology?

asked Feb 14 in Polymer Chemistry

1 answer 31 views

How does the magnetic anisotropy of a material affect its suitability for data storage applications?

asked Feb 13 in Materials Chemistry

1 answer 11 views

How can we design a polymer-based smart material with tunable mechanical properties that can respond to changes in temperature or pH?

answered Feb 12 in Polymer Chemistry

1 answer 38 views

How can the mechanical properties of polymer-based materials for 3D printing be improved to meet the demands of various applications, such as in the aerospace industry, medical field, and automotive industry?

answered Feb 10 in Polymer Chemistry

1 answer 30 views

How can pH affect the stability of a colloidal solution, and what are the methods for controlling the coagulation of colloidal particles at different pH values?

answered Feb 5 in Surface Chemistry

1 answer 55 views

Determine the hybridization of the central atom in the molecule sulfur hexafluoride (SF6).

answered Feb 4 in Inorganic Chemistry

1 answer 44 views

Calculate the standard enthalpy change for the combustion of ethane (C2H6) given the balanced chemical equation:C2H6(g) + 3.5 O2(g) → 2CO2(g) + 3H2O(l)Assume all reactants and products are in standard states and use the following standard enthalpy of formation values:ΔHf°(C2H6) = -84.7 kJ/molΔHf°(CO2) = -393.5 kJ/molΔHf°(H2O) = -285.8 kJ/mol

asked Feb 3 in Chemical thermodynamics

1 answer 38 views

How does changing the concentration of reactants affect the equilibrium constant of a chemical reaction, and how can this effect be quantitatively measured using experimental data?

asked Feb 3 in Chemical kinetics

1 answer 78 views

What is the optimal electrode material for a molecular electronics device with a specific molecular structure using density functional theory calculations?

answered Jan 31 in Computational Chemistry

1 answer 45 views

How can the concentration of nickel ions present in a given water sample be determined using colorimetry?

answered Jan 29 in Analytical Chemistry

1 answer 51 views

Calculate the equilibrium constant at 25°C for the reaction: CO(g) + 3H2(g) ⇌ CH4(g) + H2O(g) If at equilibrium, the concentration of CO is 0.10 M, H2 is 0.20 M, CH4 is 0.015 M and H2O is 0.035 M.

asked Jan 23 in Chemical equilibrium

1 answer 52 views

Calculate the enthalpy change for the process of desorption of carbon dioxide from a zeolite adsorbent at a temperature of 298 K, given that the heat of adsorption for carbon dioxide on the same zeolite at the same temperature is -40 kJ/mol.

asked Jan 23 in ThermoChemistry

1 answer 11 views

Calculate the corrosion current density for a steel pipe of diameter 10 cm and length 20 m, which is exposed to a 0.1 M HCl solution. The corrosion potential of steel in the given environment is -0.5 V (SHE), the Tafel slope is 0.12 V/decade, and the temperature is 25°C. Consider the density of steel to be 7.86 g/cm³ and the flow rate of the solution to be 5 L/min.

answered Jan 23 in ElectroChemistry

1 answer 37 views

Who conducted the Milgram Experiment?

asked Jan 20 in Psychology

1 answer 40 views

Who are the main proponents of discursive psychology?

answered Jan 20 in Psychology

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