Recent activity by JeroldSterne

1 answer 32 views

How does the size and shape of a molecule affect its electronic excited states and corresponding optical properties?

asked Feb 24 in Quantum Chemistry

1 answer 29 views

How does the photochemical property of dyes and pigments affect their color stability under different light conditions?

asked Feb 22 in PhotoChemistry

1 answer 42 views

What is the most effective chemical compound for treating chronic obstructive pulmonary disease (COPD) and how can it be synthesized in a cost-effective manner?

answered Feb 21 in Medicinal Chemistry

1 answer 35 views

What is the isomerism of the molecule CH3CH=CHCH3 and how many isomers it has?

answered Feb 21 in Chemical bonding

1 answer 42 views

What is the optimum temperature and pressure needed to prepare 2,4-dichlorobenzoic acid from benzoic acid and chlorine gas using Friedel-Crafts acylation reaction? Additionally, what is the yield of the reaction under these conditions?

answered Feb 20 in Chemical synthesis

1 answer 33 views

What is the Faraday constant and how can it be calculated using electrochemical cells?

answered Feb 20 in ElectroChemistry

1 answer 43 views

What is the expected boiling point of a substance that forms strong hydrogen bonding among its molecules compared to a substance that has weak van der Waals forces?

answered Feb 20 in Chemical bonding

1 answer 31 views

How does the band gap of a semiconductor material change when doping with impurities such as boron or phosphorus, as predicted by density functional theory calculations?

asked Feb 17 in Computational Chemistry

1 answer 30 views

How can we predict the stability of inorganic compounds based on their chemical structures and electronic configurations?

answered Feb 14 in Inorganic Chemistry

1 answer 35 views

What are the potential drug-drug interactions between commonly used antibiotics and statins and how can these interactions be minimized to prevent adverse effects in patients?

asked Feb 14 in Medicinal Chemistry

1 answer 65 views

What is the fundamental difference between infrared spectroscopy and Raman spectroscopy in probing molecular vibrations? Provide a detailed explanation using examples of the types of molecular motions each technique can detect.

asked Feb 13 in Physical Chemistry

1 answer 38 views

How can the industrial wastewater be treated effectively to reduce its impact on the environment?

asked Feb 7 in Environmental Chemistry

1 answer 68 views

Determine the enthalpy of hydrolysis for sodium acetate (NaC2H3O2) given that the enthalpy of neutralization for acetic acid (HC2H3O2) and sodium hydroxide (NaOH) is -55.9 kJ/mol and the heat of formation for NaC2H3O2 is -382.7 kJ/mol.

answered Feb 4 in ThermoChemistry

1 answer 98 views

How can chemistry educational programs and institutions increase diversity and inclusivity in the field to ensure underrepresented groups are better represented and supported?

asked Jan 30 in Chemical education

1 answer 72 views

How can the concentration of lead ions in a water sample be determined using polarography?

asked Jan 29 in Analytical Chemistry

1 answer 74 views

Calculate the heat of mixing when 25.0 mL of 0.50 M HCl solution is added to 25.0 mL of 0.50 M NaOH solution at 25 °C. The heat capacity of the resulting solution is 4.18 J/g°C and the density is 1.00 g/mL. Assume the heat of reaction is constant at 57.1 kJ/mol.

asked Jan 23 in ThermoChemistry

1 answer 77 views

Calculate the anodic Tafel slope for the following electrochemical reaction taking place at a platinum electrode:Fe2+(aq) + 2e- → Fe(s) Given that the exchange current density is 4.50 x 10^-4 A/cm^2 and the reaction rate constant for the reaction is 2.5 x 10^5 cm/s.

answered Jan 23 in ElectroChemistry

1 answer 74 views

Please compare the integration of culture into Erikson's theory versus that of Harry Stack Sullivan.

asked Jan 20 in Psychology

1 answer 85 views

According to the theory of multiple intelligences, what are the different kinds of intelligence that individuals can possess?

asked Jan 20 in Psychology

1 answer 79 views

According to the Gestalt theory of perception, why do we perceive objects as whole rather than a collection of parts?

asked Jan 20 in Psychology

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