Recent activity by KristalDmb02

1 answer 25 views

How does the polarity of the solvent affect the rate of a photochemical reaction in a specific chemical system and what is the underlying mechanism behind it?

asked 5 days ago in PhotoChemistry

1 answer 23 views

How might the electronic and magnetic properties of metal-organic frameworks be predicted through the use of quantum chemistry calculations?

asked Feb 20 in Quantum Chemistry

1 answer 28 views

What is the efficiency of an electrochemical cell with a standard potential of 1.5 V if it releases 3000 J of electrical energy during operation with a total of 3500 J of heat energy being released?

answered Feb 20 in ElectroChemistry

1 answer 31 views

What is the effect of surface coverage on the surface energy of a metal using density functional theory calculations?

asked Feb 19 in Computational Chemistry

1 answer 18 views

What is the effect of different light intensities on the reaction rate of the decomposition of hydrogen peroxide catalyzed by potassium iodide at room temperature?

answered Feb 19 in Chemical kinetics

1 answer 28 views

What is the effect of different monomer ratios on the degradation rate of PLA-PHB copolymer synthesized via solution polymerization?

answered Feb 19 in Polymer Chemistry

1 answer 23 views

How does the intensity of light affect the reaction rate of the decomposition of hydrogen peroxide in the presence of a catalyst such as potassium iodide or manganese dioxide?

asked Feb 19 in Chemical kinetics

1 answer 23 views

How does the chemical composition of natural products affect their pharmacological activities for medicinal use? Provide examples to support your answer.

asked Feb 18 in Medicinal Chemistry

1 answer 27 views

What is the bond angle and dipole moment of water molecule based on its molecular structure calculated using quantum mechanics principles?

answered Feb 17 in Physical Chemistry

1 answer 46 views

How can the synthesis and characterization of new materials be optimized for use in highly efficient and cost-effective solar cells?

asked Feb 11 in Materials Chemistry

1 answer 40 views

How can new and innovative technology be integrated into the teaching of organic chemistry to make the subject more understandable and engaging for students who may struggle with the concepts?

answered Feb 5 in Chemical education

1 answer 35 views

Here's a precise problem for the student to solve in Balancing Chemical Equations:Balance the chemical equation for the reaction between iron (III) oxide and carbon monoxide to produce iron and carbon dioxide gas:Fe2O3(s) + CO(g) → Fe(s) + CO2(g)

answered Feb 4 in Chemical reactions

1 answer 57 views

Determine the possible isomers of C3H8O using structural formulas and name the type of isomerism for each.

answered Feb 4 in Chemical bonding

1 answer 38 views

Calculate the standard enthalpy change for the fusion reaction of a sodium atom. Given the enthalpy of formation of Na(g) is 107.3 kJ/mol and the enthalpy of fusion of Na(s) is 2.6 kJ/mol.

answered Feb 3 in Chemical thermodynamics

1 answer 62 views

What are the vibrational frequencies of carbon dioxide and how do they relate to the molecular geometry of the molecule?

asked Jan 31 in Physical Chemistry

1 answer 69 views

Calculate the standard enthalpy of formation (ΔHf°) for hydrogen peroxide using quantum chemistry calculations.

asked Jan 31 in Quantum Chemistry

1 answer 79 views

What is the effect of increased surface area on the reaction rate of magnesium with hydrochloric acid?

answered Jan 31 in Chemical kinetics

1 answer 57 views

How can the concentration of sodium ions in a sample of seawater be determined using potentiometry?

answered Jan 29 in Analytical Chemistry

1 answer 59 views

How can Raman spectroscopy be used to identify the presence of specific organic compounds in a mixture, and what are the key features of a Raman spectrum that can aid in compound identification?

asked Jan 29 in Analytical Chemistry

1 answer 61 views

Determine the concentration of lead in a water sample using atomic absorption spectroscopy.

answered Jan 29 in Analytical Chemistry

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