Recent activity by PenniPraed79

1 answer 31 views

How can nanoparticles be used in the remediation of soil contaminated with heavy metals and organic pollutants, and what are the potential risks associated with their use?

asked 5 days ago in Environmental Chemistry

1 answer 31 views

How can chemists design new drugs that target specific receptors in the gastrointestinal tract to treat conditions such as irritable bowel syndrome and inflammatory bowel disease?

asked 5 days ago in Medicinal Chemistry

1 answer 34 views

Calculate the standard entropy change for the reaction: 2H2 (g) + O2 (g) -> 2H2O (g) given the standard enthalpy of formation of H2O (g) is -241.8 kJ/mol at 298 K.

answered Feb 3 in Inorganic Chemistry

1 answer 60 views

How do cells recognize and selectively degrade specific proteins within the cell? Describe the molecular mechanisms that underlie protein degradation and the various pathways involved.

asked Jan 31 in BioChemistry

1 answer 68 views

How can a chemical engineer develop a cost-efficient and environmentally sustainable process for the production of 1,4-dioxane, a versatile organic compound used in various industries, including the manufacturing of surfactants, solvents, and plastics?

asked Jan 30 in Chemical engineering

1 answer 39 views

How can the concentration of a unknown substance in a solution be determined using colorimetry and a calibration curve?

asked Jan 29 in Analytical Chemistry

1 answer 34 views

Where was the first study on mindfulness-based interventions conducted?

asked Jan 20 in Psychology

1 answer 10 views

When comparing CBT and ACT, what are some of the differences to consider?

asked Jan 17 in Psychology

1 answer 35 views

What is the name of the sixth stage in Erikson's theory of psychosocial development?

asked Jan 14 in Psychology

1 answer 27 views

How do the social cognitive theory and person-environment fit theory differ?

asked Jan 13 in Psychology

1 answer 30 views

Which species in class insecta has three body segments, six jointed legs, and multiple head appendages?

answered Jan 8 in Science

1 answer 55 views

What is lava called before it reaches the surface of the earth?

asked Jan 6 in Science

1 answer 10 views

What are the basic building blocks of the human body?

answered Jan 3 in Science

1 answer 13 views

Hormones cause cellular changes by binding to receptors on these?

asked Dec 27, 2024 in Science

1 answer 50 views

In fact, when sitting in the sun, many ectothermic lizards have higher body temperatures than what?

asked Dec 27, 2024 in Science

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