Recent activity by JordanChun58

1 answer 22 views

How does the pore size of a metal-organic framework affect its ability to absorb carbon dioxide molecules? Use computational studies to compare the adsorption capacity of three different metal-organic frameworks with varying pore sizes.

asked 3 days ago in Computational Chemistry

1 answer 2 views

What is the optimal design for a chemical system that can produce surfactants with a high yield, purity, and efficiency?

asked 3 days ago in Chemical engineering

1 answer 16 views

What is the equilibrium constant expression for the ionization of acetic acid (CH3COOH) in water, and what is the value of the equilibrium constant at 25°C?

answered 4 days ago in Chemical equilibrium

1 answer 15 views

What is the coordination number and geometry of the complex [Co(en)2Cl2]+ where en is ethylenediamine?

answered 6 days ago in Coordination Chemistry

1 answer 26 views

How does the composition of a nanocatalyst affect its efficiency in catalyzing a specific chemical reaction?

answered 6 days ago in Materials Chemistry

1 answer 33 views

How does the choice of solvent affect the photophysical properties of a specific fluorescent dye in a photochemical study?

answered 6 days ago in PhotoChemistry

1 answer 24 views

How does the boiling point of cycloalkanes compare to their corresponding linear alkanes with the same number of carbons? Provide an explanation for the observed trend.

asked Feb 17 in Organic Chemistry

1 answer 18 views

What are the effects of temperature and molecular composition on the electro-optical properties of liquid crystal molecules, and how can this knowledge be applied in the development and optimization of modern display technologies?

answered Feb 17 in Materials Chemistry

1 answer 9 views

How can we design a new drug using medicinal chemistry principles that effectively targets cancer cells while minimizing harm to healthy cells and has a high success rate in clinical trials?

asked Feb 12 in Medicinal Chemistry

1 answer 37 views

How does the coordination chemistry of metalloenzymes and metalloproteins affect their biological activity and function? Discuss with examples.

asked Feb 12 in Coordination Chemistry

1 answer 35 views

How can the physical and chemical properties of polymer-based biomaterials be optimized to enhance their efficacy for tissue engineering applications?

answered Feb 10 in Polymer Chemistry

1 answer 44 views

Calculate the standard enthalpy change for the reduction of iron (III) oxide using carbon monoxide as the reducing agent, given that the standard enthalpy of formation for iron (III) oxide is -824.2 kJ/mol and the standard enthalpy of formation for carbon monoxide is -110.5 kJ/mol.

asked Feb 3 in ThermoChemistry

1 answer 67 views

What are the structural differences between aldehydes and ketones, and how do these differences affect their reactivity towards nucleophiles such as water and ammonia?

answered Jan 31 in Organic Chemistry

1 answer 69 views

What chemical reactions contribute to the formation of acid rain, and how do these reactions affect soil pH and water quality in affected areas?

answered Jan 30 in Environmental Chemistry

1 answer 84 views

What are the best study strategies for a chemistry student to ensure adequate preparation for exams, and how can these strategies be incorporated into a daily routine for maximum effectiveness and efficiency?

asked Jan 30 in Chemical education

1 answer 59 views

Calculate the enthalpy of vaporization of water given the following information: - The boiling point of water is 100°C- The specific heat capacity of liquid water is 4.18 J/g·°C- The specific heat capacity of steam is 1.84 J/g·°C- The heat of fusion of water is 40.7 kJ/mol - The molar mass of water is 18.015 g/mol- The heat capacity of the container is negligible- Assume that the vaporized water behaves ideally and has a constant heat capacity

answered Jan 23 in ThermoChemistry

1 answer 68 views

Calculate the enthalpy of adsorption of nitrogen gas on the surface of activated charcoal at 298 K, given that the equilibrium pressure of nitrogen is 8.5 x 10^-3 atm and the surface area of the charcoal is 1200 m^2/g.

asked Jan 23 in ThermoChemistry

1 answer 44 views

Calculate the enthalpy change of polymerization for the formation of polystyrene from its monomer, styrene, given the following data:- ΔH°f (Styrene) = -25.68 kJ/mol- Bond enthalpies: C-C = 347 kJ/mol; C=C = 611 kJ/mol; C-H = 413 kJ/mol

answered Jan 23 in ThermoChemistry

1 answer 69 views

Calculate the bond dissociation energy (in kJ/mol) of chlorine gas (Cl2) if it requires 243 kJ of energy to break a single Cl-Cl bond in the gas phase.

asked Jan 23 in ThermoChemistry

1 answer 50 views

Who developed the two-factor theory of emotion?

asked Jan 20 in Psychology

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