Recent activity by JeanetteShar

1 answer 18 views

How do the different properties of polymers, such as molecular weight and crosslink density, affect their suitability for use in 3D printing?

answered 3 days ago in Materials Chemistry

1 answer 17 views

How does the presence of a catalyst affect the reaction mechanism of the Diels-Alder reaction between cyclopentadiene and maleic anhydride, as revealed by quantum chemical calculations?

asked 3 days ago in Computational Chemistry

1 answer 19 views

What is the order of reaction with respect to reactant A if the rate of reaction doubles when the concentration of A is doubled, while the concentration of reactant B remains constant?

answered 3 days ago in Chemical kinetics

1 answer 23 views

What is the mechanism behind the energy transfer process that occurs during a chemical reaction between two molecules, and how does it affect molecular dynamics?

answered 4 days ago in Quantum Chemistry

1 answer 34 views

What is the effect of the concentration of photosensitizers on the rate of a photochemical reaction?

asked 6 days ago in PhotoChemistry

1 answer 24 views

How does the chemical structure of a drug affect its absorption, distribution, metabolism, and excretion in the human body?

asked Feb 18 in Medicinal Chemistry

1 answer 7 views

How does the surface morphology of a substrate affect the SERS signal intensity of a specific analyte?

asked Feb 17 in Surface Chemistry

1 answer 43 views

How does magnetic resonance spectroscopy aid in the determination of the molecular structure and conformation of organic compounds?

answered Feb 13 in Physical Chemistry

1 answer 36 views

What is the net number of ATP molecules produced through oxidative phosphorylation during the citric acid cycle, assuming the starting molecule is acetyl-CoA?

answered Feb 13 in BioChemistry

1 answer 46 views

How can the refractive index of glasses for optical applications be manipulated by altering the composition of the glass?

answered Feb 10 in Materials Chemistry

1 answer 9 views

How can the knowledge of drug metabolism pathways be applied to design more effective and safe drugs for specific diseases?

asked Feb 7 in Medicinal Chemistry

1 answer 32 views

How can students in schools with limited availability of chemistry-related extracurricular activities still gain practical experience in the field?

asked Feb 5 in Chemical education

1 answer 40 views

How can one determine if a molecule exhibits positional isomerism or functional isomerism? Provide examples of each type of isomerism, and explain the structural differences between the isomers.

answered Feb 5 in Chemical bonding

1 answer 68 views

Design a treatment system for the removal of heavy metals from industrial wastewater using an ion exchange process for a chemical manufacturing plant operating in the city with strict regulations regarding the disposal of wastewater.

asked Feb 4 in Chemical engineering

1 answer 46 views

Design a system for the efficient production of hydrogen fuel using renewable energy sources. Consider factors such as cost, environmental impact, and scalability. Determine the optimal method for producing and storing hydrogen fuel, and provide a detailed design for the system. Your solution should also include calculations for the efficiency and potential output of the system.

answered Feb 4 in Chemical engineering

1 answer 50 views

Calculate the standard enthalpy of hydrolysis for Na2CO3 when 2.5 moles of water react with 1 mole of Na2CO3, given that the heat of reaction is -843.2 kJ/mol.

answered Feb 3 in ThermoChemistry

1 answer 32 views

Calculate the standard enthalpy change of reduction for the following reaction: Cu2+(aq) + 2e- -> Cu(s) Given that the standard electrode potential of Cu2+(aq)/Cu(s) is +0.34 V and the standard electrode potential of Ag+(aq)/Ag(s) is +0.80 V.

answered Feb 3 in ThermoChemistry

1 answer 41 views

Calculate the standard enthalpy change for the precipitation reaction: AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq)given that the standard enthalpy of formation for AgCl(s) is -127.0 kJ/mol, and for NaNO3(aq) is -467.14 kJ/mol. The molar enthalpy of solution of NaCl and AgNO3 are -3.9 kJ/mol and -19.9 kJ/mol respectively.

asked Feb 3 in Chemical thermodynamics

1 answer 89 views

What is the predicted bond angle in a water molecule based on its molecular geometry and electron pair geometry, and how does it differ from the ideal bond angle?

asked Jan 30 in Chemical bonding

1 answer 80 views

What functional groups are present in compound X, and what are their respective absorption frequencies in infrared spectroscopy? How can this information be used to determine the identity of compound X?

asked Jan 30 in Analytical Chemistry

Recent activity by JeanetteShar

Categories