Questions by LovieCastles

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1 answer 16 views

How does the size and shape of a metallic nanoparticle affect its electronic and optical properties, and what is the relationship between the size of a nanoparticle and its surface plasmon resonance frequency?

asked 1 day ago in Quantum Chemistry

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1 answer 20 views

What is the overpotential required to generate a current of 0.5 A in a galvanic cell where the standard potential is 1.4 V and the actual potential is 1.6 V? Show the calculations and explain why the overpotential is necessary for the reaction to proceed.

asked 3 days ago in ElectroChemistry

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1 answer 22 views

What is the effect of varying the molecular weight and degree of branching on the mechanical properties of a polymer and how does this relate to potential biomedical applications?

asked 4 days ago in Materials Chemistry

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1 answer 17 views

What is the effect of changing the reactant concentration ratio on the initial reaction rate and reaction order of a chemical reaction involving two reactants with different stoichiometries?

asked 5 days ago in Chemical kinetics

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1 answer 35 views

What is the effect of the concentration of reactants on the rate of a chemical reaction and how does this impact the sustainability of the reaction?

asked 6 days ago in Chemical kinetics

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1 answer 29 views

What is the role of ribose sugar in RNA transcription and translation? How does the structure of ribose sugar affect the function of RNA molecules in protein synthesis process?

asked Feb 14 in BioChemistry

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1 answer 29 views

What is the role of DNA polymerase in DNA replication, and how does its proofreading function ensure the accuracy of the DNA replication process?

asked Feb 12 in BioChemistry

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1 answer 27 views

How can the efficiency of phytoremediation methods be improved for the removal of heavy metals from contaminated soil?

asked Feb 7 in Environmental Chemistry

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1 answer 59 views

Calculate the number of electrons transferred in the following reaction: Cu(s) + 2AgNO3(aq) → Cu(NO3)2(aq) + 2Ag(s) Hint: In order to balance the equation, you'll need to add electrons to one side of the reaction.

asked Feb 3 in ElectroChemistry

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1 answer 70 views

How would a decrease in pH affect the equilibrium position of the following acid-base reaction: HA + B ↔ A- + HB+ Assuming other conditions remain constant, predict the direction in which the equilibrium will shift and explain your reasoning.

asked Jan 30 in Chemical equilibrium

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1 answer 80 views

What is the amount of copper (Cu) in a sample of brass weighing 10.5 grams, if the sample was dissolved in sulfuric acid and the resulting Cu2+ ions were fully reduced using coulometry, requiring a total charge of 1150 C? (Assume 100% current efficiency and Faraday's constant as 96500 C/mol.)

asked Jan 30 in Analytical Chemistry

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1 answer 41 views

What is the goal of the relative deprivation theory of conflict?

asked Jan 20 in Psychology

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1 answer 64 views

According to Piaget, what is the formal operational stage of cognitive development?

asked Jan 20 in Psychology

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1 answer 56 views

How does nicotine affect the brain?

asked Jan 20 in Psychology

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1 answer 28 views

What are some risk factors for dementia?

asked Jan 17 in Psychology

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1 answer 30 views

How does the use of heuristics relate to theory evaluation?

asked Jan 17 in Psychology

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1 answer 25 views

What is the difference between a correlation and a causal inference in theory evaluation?

asked Jan 16 in Psychology

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1 answer 30 views

When does latent learning occur according to Tolman?

asked Jan 15 in Psychology

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1 answer 39 views

How is the diffusion of innovation theory used in community psychology?

asked Jan 15 in Psychology

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1 answer 66 views

Can personality disorders be treated?

asked Jan 14 in Psychology

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