Recent activity by CelsaTroiano

1 answer 31 views

Identify the reaction mechanism and intermediates involved in the acid-catalyzed hydration of 2-butene to form 2-butanol.

answered Feb 22 in Organic Chemistry

1 answer 40 views

What are the major atmospheric pollutants that contribute to ozone depletion, and how does their presence impact the atmosphere in terms of UV radiation and climate change?

asked Feb 20 in Environmental Chemistry

1 answer 29 views

What is the effect of increasing the pH on the formation of a complex ion between Fe3+ and SCN-? Provide a detailed explanation, including any relevant equations or calculations.

asked Feb 20 in Chemical equilibrium

1 answer 27 views

What is the effect of temperature on the pressure-induced phase transitions in water molecules, as predicted by Monte Carlo simulations?

asked Feb 19 in Computational Chemistry

1 answer 27 views

How does the coordination environment of the metal ion in hemoglobin affect its oxygen binding affinity?

answered Feb 19 in Coordination Chemistry

1 answer 38 views

What is the difference between size exclusion chromatography and gel permeation chromatography as methods for polymer characterization? Which one is better-suited for determining the molecular weight distribution of a polymer sample? Justify your answer.

answered Feb 14 in Polymer Chemistry

1 answer 67 views

How does the decreased acetyl-CoA carboxylase activity affect the biosynthesis of triglycerides, cholesterol and fatty acids in the liver cells of overweight individuals who have developed non-alcoholic fatty liver disease?

answered Feb 14 in BioChemistry

1 answer 157 views

What are the structural differences between DNA and RNA, and how do these differences affect their biological functions?

asked Feb 12 in Organic Chemistry

1 answer 30 views

How can we design a new drug that specifically targets cancer cells while leaving healthy cells unharmed?

asked Feb 12 in Medicinal Chemistry

1 answer 53 views

How does controlling the pH of the solution affect the adsorption of proteins on solid surfaces?

asked Feb 12 in Surface Chemistry

1 answer 29 views

How can the integration of technology improve student engagement and understanding in chemical education while also addressing the challenges faced by educators in implementing these technologies?

asked Feb 7 in Chemical education

1 answer 35 views

How can chemistry students overcome the limited availability of chemistry-related internships and job opportunities and develop practical skills to enhance their employability in the industry?

answered Feb 5 in Chemical education

1 answer 80 views

Design a chemical reactor that can efficiently convert 100 kg/hr of propane gas to propylene gas at a temperature of 500°C and a pressure of 2 atm. The desired conversion rate is 90%, while minimizing the production of unwanted byproducts. The reactor must also be safe and economically feasible, with a maximum capital cost of $1.5 million and a minimum expected lifetime of 10 years. What type of reactor, catalyst, and operating conditions would you recommend and why?

asked Feb 3 in Chemical engineering

1 answer 51 views

Calculate the standard enthalpy change for the formation of methane (CH4) given the following equations:C(s) + O2(g) ⟶ CO2(g); ΔH = -393.5 kJ/mol2H2(g) + O2(g) ⟶ 2H2O(l); ΔH = -571.6 kJ/mol

answered Feb 3 in Chemical thermodynamics

1 answer 65 views

How do chaperone proteins facilitate the correct folding of newly synthesized proteins in the cell?

asked Feb 3 in BioChemistry

1 answer 42 views

How do changes in lipid metabolism affect cellular signaling pathways? Provide detailed examples of specific lipids involved in signaling and metabolism, and explain their physiological roles in various cellular processes.

answered Jan 31 in BioChemistry

1 answer 64 views

Calculate the heat of formation of water (H2O) given the following bond energies: H-H = 436 kJ/mol, O-H = 463 kJ/mol.

asked Jan 23 in Chemical bonding

1 answer 81 views

How did Watson's 'Little Albert' experiment demonstrate classical conditioning?

answered Jan 20 in Psychology

1 answer 95 views

According to the attachment theory, what is the role of the primary caregiver in a child's attachment style?

answered Jan 20 in Psychology

1 answer 64 views

Why is interrater reliability important?

answered Jan 17 in Psychology

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