Recent activity by ManuelDeucha

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Design a distillation column for the separation of a mixture composed of 50% ethanol and 50% water. The column must produce a distillate that is at least 95% ethanol and a bottoms stream that is at most 5% ethanol. The feed rate is 1000 kg/h and the reflux ratio is to be determined by the student. Provide the complete design of the distillation column including the number of theoretical trays, feed tray location, and the diameter of the column.

answered 2 days ago in Chemical engineering

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How does the liver metabolize the drug acetylsalicylic acid (aspirin) and what are the potential metabolic pathways and metabolites formed in the process?

answered 6 days ago in Medicinal Chemistry

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A chemical reaction was carried out at constant temperature and pressure. The initial concentration of the reactants and products were known. After a certain amount of time, the concentration of the reactants and products were measured. Using non-equilibrium thermodynamics, calculate the magnitude and sign of the entropy change of the system during the reaction.

answered Jan 22 in Physical Chemistry

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Identify the structural formula and functional group of a compound that has a benzene ring with two methyl groups attached in the ortho positions and a nitro group attached in the meta position.

answered Jan 21 in Organic Chemistry

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When was the Hawthorne Effect first identified?

asked Jan 20 in Psychology

1 answer 22 views

Who proposed the attachment theory?

answered Jan 15 in Psychology

1 answer 31 views

What is the difference between a group and a team?

answered Jan 15 in Psychology

1 answer 43 views

What is a correlation coefficient?

asked Jan 14 in Psychology

1 answer 23 views

What is the relationship between animal and human psychology?

answered Jan 13 in Psychology

1 answer 22 views

Conifers are the dominant phylum of gymnosperms, with the most variety of species. most are tall trees that usually bear scale-like or needle-like leaves. the thin shape of the needles and their waxy cuticle limits water loss through this?

answered Dec 30, 2024 in Science

1 answer 21 views

Although fewer in number than chemical synapses, what type of synapses are found in all nervous systems and play important and unique roles?

asked Dec 30, 2024 in Science

1 answer 23 views

A tumor of what gland can cause hypersecretion of growth hormone?

answered Dec 30, 2024 in Science

1 answer 43 views

What term is used to describe the conditions in the sky on any particular day?

asked Dec 27, 2024 in Science

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