Recent activity by LSCJoey08837

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What are the factors that influence the photochemical properties of transition metal complexes and how do these properties affect their reactivity and potential applications in various fields of chemistry?

asked Feb 22 in PhotoChemistry

1 answer 41 views

How does the metabolic profile of an individual change in response to different dietary interventions?

asked Feb 20 in BioChemistry

1 answer 39 views

How does the intensity of light affect the rate of a chemical reaction?

asked Feb 20 in Chemical kinetics

1 answer 48 views

What factors affect the compatibility and miscibility of polymer blends, and how can they be optimized to achieve desired properties such as tensile strength and impact resistance?

answered Feb 18 in Polymer Chemistry

1 answer 34 views

What is the bond enthalpy of O-H bond in the water molecule and how does it affect the overall bond enthalpy of the molecule?

answered Feb 18 in Chemical bonding

1 answer 36 views

What is the bond dissociation energy of the O-H bond in a water (H2O) molecule at 298 K?

answered Feb 18 in Chemical bonding

1 answer 77 views

How does the surface area of the catalyst affect the rate of the reaction in heterogeneous catalysis?

asked Feb 13 in Surface Chemistry

1 answer 103 views

How can the production of sustainable surfactants be optimized for maximum yield and minimal environmental impact in a chemical engineering system?

asked Feb 10 in Chemical engineering

1 answer 45 views

How can the performance of Metal-Organic Frameworks (MOFs) be improved for selective gas adsorption applications?

asked Feb 10 in Coordination Chemistry

1 answer 39 views

How can the chemical and physical properties of cosmetic ingredients be optimized to design a system that produces effective and safe cosmetic products in a cost-effective manner?

asked Feb 6 in Chemical engineering

1 answer 39 views

How can medicinal chemists design drugs to target specific mutations in genetic disorders, such as cystic fibrosis or sickle cell anemia, while avoiding off-target effects on healthy cells?

answered Feb 5 in Medicinal Chemistry

1 answer 83 views

Can the unique photophysical properties of lanthanide complexes be harnessed for efficient light harvesting and photocatalysis? Explore the photochemical properties of selected lanthanide complexes to demonstrate their potential applications in these fields.

answered Feb 3 in PhotoChemistry

1 answer 73 views

Calculate the standard enthalpy change for the vaporization of 15 grams of water given that the molar enthalpy of vaporization of water is 40.7 kJ/mol.

asked Feb 3 in Chemical thermodynamics

1 answer 85 views

Calculate the standard enthalpy change for the dissolution of 5 grams of ammonium chloride (NH4Cl) in water, given that the molar enthalpy of dissolution of NH4Cl is -340.0 kJ/mol. The molar mass of NH4Cl is 53.49 g/mol and the density of water is 1.00 g/mL.

asked Feb 3 in Chemical thermodynamics

1 answer 146 views

What is the contribution of carbon dioxide (CO2) to the greenhouse effect and global warming, and how does the concentration of CO2 in the atmosphere affect the planet's climate?

answered Jan 31 in Environmental Chemistry

1 answer 88 views

How can ab initio calculations be used to study the photodynamics of molecules in excited states?

answered Jan 30 in Computational Chemistry

1 answer 95 views

What strategies can be implemented to overcome the limited availability of chemistry textbooks and resources for students in under-resourced schools or communities?

asked Jan 30 in Chemical education

1 answer 64 views

How can ion-selective electrodes be used to detect and quantify the concentration of chloride ions in a water sample?

asked Jan 29 in Analytical Chemistry

1 answer 59 views

Calculate the enthalpy of adsorption of methane gas on activated charcoal at room temperature (25°C) given the following information:- The saturation pressure of methane at 25°C is 3.78 MPa.- The surface area of activated charcoal used is 100 m²/g.- The amount of methane adsorbed on the activated charcoal is 5 mmol/g.

answered Jan 23 in ThermoChemistry

1 answer 76 views

A student wants to determine the enthalpy of combustion of octane. They measured the temperature change of 200 mL of water in a calorimeter when 1.50 grams of octane was burned completely. The initial temperature of the water was 25.0 °C and it reached a maximum of 45.0 °C. What is the enthalpy of combustion of octane?

answered Jan 22 in ThermoChemistry

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