Recent activity by JackH2065356

1 answer 32 views

How does the hormonal regulation and signaling system work in the human body to maintain blood glucose levels? Provide a molecular-level explanation of the role of insulin and glucagon in this process.

asked Feb 20 in BioChemistry

1 answer 30 views

What is the electronic structure of a water molecule and what are the molecular orbitals involved in its formation?

asked Feb 20 in Quantum Chemistry

1 answer 33 views

What is the effect of various metals on the photochemical properties (such as excited state lifetime and reactivity) of metal complexes under UV irradiation?

asked Feb 20 in PhotoChemistry

1 answer 28 views

What is the effect of changing the concentration of a particular biomaterial on its mechanical and structural properties for tissue engineering applications?

asked Feb 19 in Materials Chemistry

1 answer 38 views

What is the mechanism behind the responsiveness of polymer-based smart materials to external stimuli and how can this be utilized in the development of novel applications?

asked Feb 14 in Polymer Chemistry

1 answer 72 views

How does the conversion of light energy into chemical energy occur during the process of photosynthesis and what is the role of carbon fixation in this process?

asked Feb 13 in BioChemistry

1 answer 115 views

How can the surface of a biomaterial, such as a medical implant, be modified using plasma treatment to alter its effectiveness in promoting cell adhesion and preventing bacterial growth?

answered Feb 11 in Surface Chemistry

1 answer 74 views

How can the protein-protein interactions between a specific target protein and its interacting partner be better understood and potentially manipulated for therapeutic purposes using computational molecular docking studies?

asked Feb 10 in Computational Chemistry

1 answer 44 views

How can the molecular structure of antibiotics be modified to specifically target gram-negative bacteria while leaving gram-positive bacteria unharmed?

answered Feb 10 in Medicinal Chemistry

1 answer 39 views

How can chemistry students in underprivileged countries access quality textbooks and resources to study effectively and achieve academic success despite the limited availability of these materials?

answered Feb 5 in Chemical education

1 answer 37 views

Given a mixture of benzene and toluene, with a mole fraction of 0.6 and 0.4 respectively, design a distillation column with a reflux ratio of 2.5 to achieve a product purity of at least 99% for both components.

asked Feb 4 in Chemical engineering

1 answer 68 views

Calculate the standard Gibbs free energy change ($\Delta G^{\circ}$) for the following reaction at 298 K:2Fe(s) + 3/2O2(g) → Fe2O3(s) Given: Standard enthalpy of formation of Fe2O3(s) = -822.2 kJ/molStandard enthalpy of formation of Fe(s) = 0 kJ/molStandard entropy change for the reaction = +87.4 J/mol K

asked Feb 3 in Chemical thermodynamics

1 answer 88 views

Calculate the standard enthalpy change for the reaction: 2Fe(s) + 3/2 O2(g) -> Fe2O3(s) given that the standard enthalpy of formation for Fe2O3(s) is -824.2 kJ/mol and that of Fe(s) is 0 kJ/mol.

asked Feb 3 in Chemical thermodynamics

1 answer 93 views

How can chemistry teachers encourage universities and organizations to provide more chemistry-related extracurricular activities for students to participate in, despite the limited availability in their local area?

asked Jan 30 in Chemical education

1 answer 51 views

Calculate the enthalpy change (in kJ/mol) for dissolving 10 grams of NaOH in 100 mL of water at 25°C, given that the molar heat of solution for NaOH is -444.6 kJ/mol.

answered Jan 23 in ThermoChemistry

1 answer 109 views

How many possible chain isomers can be formed for a compound with the molecular formula C5H12?

answered Jan 21 in Organic Chemistry

1 answer 92 views

When did regression to the mean become a known phenomenon?

answered Jan 20 in Psychology

1 answer 84 views

What is the ecological approach's evaluation of perceptual illusions?

asked Jan 20 in Psychology

1 answer 67 views

According to the attachment theory, what is the relationship between attachment and anxiety?

asked Jan 17 in Psychology

1 answer 39 views

According to Maslow's hierarchy of needs, what is the most basic human need?

answered Jan 16 in Psychology

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