Recent activity by DeloresQ3217

1 answer 32 views

What are the products of the reaction between sodium hydroxide and sulfuric acid? Write the balanced chemical equation and identify the spectator ions.

asked Feb 22 in Inorganic Chemistry

1 answer 27 views

How does the presence of toxic substances in industrial waste impact the quality of soil and groundwater near the disposal sites, and what are the most effective methods for preventing contamination?

asked Feb 22 in Environmental Chemistry

1 answer 27 views

What is the optimum wavelength range for sunscreen agents to be effective in protecting the skin from UV radiation?

asked Feb 22 in PhotoChemistry

1 answer 32 views

What is the effect of different dopants and counter ions on the conductivity and flexibility of conductive polymers, and how can this information be used to improve their performance for flexible electronics applications?

asked Feb 19 in Materials Chemistry

1 answer 37 views

How does the composition of the lipid bilayer influence membrane permeability?

asked Feb 18 in BioChemistry

1 answer 37 views

How does the binding of transcription factors to DNA regulate gene expression? Provide an explanation using specific examples.

asked Feb 17 in BioChemistry

1 answer 54 views

How can we utilize density functional theory calculations to determine the surface energy and surface tension of a metal oxide material?

asked Feb 12 in Computational Chemistry

1 answer 12 views

How can the synthesis of metal-organic frameworks be optimized to achieve higher yield and purity?

asked Feb 11 in Materials Chemistry

1 answer 109 views

How can the sensitivity and selectivity of a sensor based on polymer matrix be improved for detecting a specific analyte in a complex matrix?

asked Feb 10 in Polymer Chemistry

1 answer 70 views

Consider the following chemical reaction: 2H2(g) + O2(g) ⇌ 2H2O(g)At a certain temperature and pressure, the partial pressures of H2, O2, and H2O are found to be 0.20 atm, 0.10 atm, and 0.80 atm, respectively. Calculate the reaction quotient (Qc) for this reaction at this temperature and pressure. Is the system at equilibrium? If not, in which direction will the reaction proceed to attain equilibrium?

asked Feb 3 in Chemical thermodynamics

1 answer 88 views

What teaching methods can be utilized to foster interest and engagement in chemistry among high school students who have previously shown a lack of interest in the subject?

asked Jan 30 in Chemical education

1 answer 154 views

What is the amount of copper in a sample of copper ore using coulometric titration with a silver anode?

answered Jan 30 in Analytical Chemistry

1 answer 48 views

How can the concentration of lead in a water sample be determined using atomic absorption spectroscopy? Provide a step-by-step procedure for sample preparation, instrument calibration, and measurement of the sample.

asked Jan 29 in Analytical Chemistry

1 answer 57 views

According to the feature detection theory, what are the categories of feature detectors in the visual system?

asked Jan 20 in Psychology

1 answer 66 views

What is the intelligence paradox?

answered Jan 20 in Psychology

1 answer 71 views

Where was the first study on cognitive bias modification CBM conducted?

asked Jan 20 in Psychology

1 answer 70 views

Why is the stress-diathesis model used to explain mental health problems?

answered Jan 20 in Psychology

1 answer 66 views

When might older adults experience 'ego integrity'?

answered Jan 17 in Psychology

0 answers 71 views

When was the neuromatrix theory of pain proposed?

asked Jan 16 in Psychology

1 answer 112 views

Where are polarised opinions from the scientific community typical?

asked Jan 16 in Psychology

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