Recent activity by ChauAvila56

1 answer 21 views

How can the production of fragrances be optimized to ensure maximum efficiency, minimal waste, and consistent quality? What are the key steps and parameters that need to be considered in the development of a sustainable and effective fragrance production process, and how can these be optimized through chemistry and chemical engineering principles?

asked 20 hours ago in Chemical engineering

1 answer 33 views

Consider an electrochemical cell containing a copper electrode in a 0.5 M CuSO4 solution and a silver electrode in a 1.0 M AgNO3 solution. Calculate the current density at a temperature of 25°C given that the copper electrode has a surface area of 5 cm² and the silver electrode has a surface area of 10 cm². The standard reduction potentials for Cu²⁺ and Ag⁺ are -0.34 V and 0.80 V, respectively. Use the Nernst equation to calculate the cell potential and then use Ohm's law to calculate the current density.

asked Feb 3 in ElectroChemistry

1 answer 42 views

How can X-ray fluorescence spectroscopy be utilized to determine the presence of a specific metal in a sample and what are the possible sources of error in the analysis?

answered Jan 30 in Analytical Chemistry

1 answer 53 views

Calculate the Gibbs free energy change for the following reaction at 298 K: 2H2(g) + O2(g) → 2H2O(l) Given, ΔH = -483.6 kJ/mol and ΔS = -109.4 J/K/mol.

asked Jan 23 in Chemical thermodynamics

1 answer 30 views

According to the Gestalt psychologists, why do we perceive a series of dots as a line?

asked Jan 20 in Psychology

1 answer 30 views

When was the Milgram obedience study carried out?

asked Jan 20 in Psychology

1 answer 29 views

What are some of the ethical challenges associated with using AI in decision-making?

answered Jan 17 in Psychology

1 answer 40 views

How do psychologists diagnose mental illnesses?

answered Jan 15 in Psychology

1 answer 41 views

What is the role of relationships in existential psychology?

asked Jan 15 in Psychology

1 answer 8 views

What is the name of the psychological theory focused on the influence of culture on behaviour and cognition?

answered Jan 14 in Psychology

1 answer 41 views

What is the term used to describe the psychological process through which an individual develops their sense of self?

answered Jan 14 in Psychology

1 answer 9 views

What's the best way humans can conserve water?

asked Jan 8 in Science

1 answer 9 views

What type of pressure may build up inside the cell when water moves into a cell by osmosis?

asked Jan 8 in Science

1 answer 43 views

What gases move in and out of blood during gas exchange?

asked Jan 6 in Science

1 answer 21 views

Like a runner passing a baton, the transmission of nerve impulses between neurons depends on what?

answered Dec 31, 2024 in Science

1 answer 49 views

What is the term for a dynamic equilibrium that is maintained in body tissues and organs?

answered Dec 27, 2024 in Science

1 answer 26 views

What are most fresh fruits, vegetables, whole grains rich in?

answered Dec 27, 2024 in Science

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