Questions by JackH2065356

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1 answer 33 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

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1 answer 31 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

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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

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1 answer 29 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

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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

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1 answer 73 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

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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

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1 answer 39 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

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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

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1 answer 90 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

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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

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1 answer 85 views

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

asked Jan 20 in Psychology

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1 answer 68 views

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

asked Jan 17 in Psychology

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1 answer 38 views

When evaluating the theories of aggression, what is the frustration-aggression theory?

asked Jan 16 in Psychology

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1 answer 92 views

What is the importance of interdependence theory in understanding relationships?

asked Jan 15 in Psychology

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1 answer 103 views

What are some techniques to improve attention?

asked Jan 14 in Psychology

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1 answer 129 views

Compare and contrast the concepts of cliques and crowds in teenage social circles.

asked Jan 14 in Psychology

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1 answer 79 views

What is the difference between proactive coping and reactive coping?

asked Jan 14 in Psychology

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1 answer 106 views

What are the different levels of congruence according to Carl Rogers?

asked Jan 13 in Psychology

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1 answer 66 views

Who proposed the bio-psycho-social-spiritual model?

asked Jan 13 in Psychology

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