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How does the electronic structure of perovskite materials impact their optical properties, and how can quantum chemistry calculations be used to predict these properties?

asked Feb 14 in Quantum Chemistry by CruzFehon13 (450 points)

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How can we explain the periodic trends, such as electronegativity and ionization energy, across the rows and columns of the periodic table? And how do these trends affect the behavior and properties of chemical elements?

asked Feb 14 in Chemical education by PatriciaHart (330 points)

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What is the role of the perilipin protein in the regulation of lipolysis in adipocytes? Describe the biochemical mechanism of perilipin activation and its impact on lipid metabolism and transport in the human body.

asked Feb 14 in BioChemistry by Joleen88270 (310 points)

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What is the percent yield of a chemical reaction if 50 grams of reactant A were used and 35 grams of product B were obtained, given that the balanced equation for the reaction is:2A + 3B --> 4Cand the theoretical yield of product B is 45 grams?

asked Feb 14 in Chemical reactions by CarmaHaigh40 (430 points)

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What is the mechanism of action of the drug penicillin, and how does it target and inhibit bacterial cell wall synthesis?

asked Feb 14 in Medicinal Chemistry by DarwinHelvey (310 points)

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How does passivation treat corrosion on the surface of iron and steel, and what factors affect the rate and degree of passivation?

asked Feb 14 in Surface Chemistry by IolaEmert895 (410 points)

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How does the process of passivation protect metals from corrosion and what factors influence the effectiveness of this process?

asked Feb 14 in Surface Chemistry by VIWVirgie514 (330 points)

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How does passivation prevent corrosion on the surface of metals? Provide examples of metals that can undergo passivation and explain the mechanism involved in the passivation process.

asked Feb 14 in Surface Chemistry by SwenCheek573 (250 points)

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1 answer 35 views

What is the mechanism of passivation in stainless steel and how does it protect against corrosion?

asked Feb 14 in Surface Chemistry by LeliaRibush (290 points)

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What are the effects of particle size and shape on the catalytic activity of nanomaterials, and how can they be manipulated to optimize their performance in catalysis?

asked Feb 14 in Materials Chemistry by IngridDicker (270 points)

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How can we modify the structure of existing neurotransmitter molecules to improve their ability to bind to their receptors for the treatment of Parkinson's disease?

asked Feb 14 in Medicinal Chemistry by HaleyLavende (490 points)

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How does the liver metabolize paracetamol in the body, and what are the potential toxic metabolites that can be produced?

asked Feb 14 in Medicinal Chemistry by JillAinslie3 (350 points)

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How does the liver metabolize the drug Paracetamol in the body and what are the specific enzymes involved in its biotransformation?

asked Feb 14 in Medicinal Chemistry by CodyCaswell2 (430 points)

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How does paracetamol (acetaminophen) undergo metabolism in the liver, and what are the different metabolites formed during this process?

asked Feb 14 in Medicinal Chemistry by SherrieShrop (230 points)

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How does the chemical process of ozone layer depletion occur and what is the role of chlorofluorocarbons (CFCs) in the process? Additionally, what are the potential impacts of ozone depletion on the atmosphere and human health?

asked Feb 14 in Environmental Chemistry by AntonY761221 (170 points)

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What are the different resonance structures for an ozone (O₃) molecule? How do these structures contribute to the stability of the molecule?

asked Feb 14 in Chemical bonding by JadeKaminski (290 points)

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What are the resonance structures of the ozone molecule (O3)? Draw each resonance form and identify the bond lengths and bond orders in each form.

asked Feb 14 in Chemical bonding by FrancescoDea (370 points)

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What is the molecular geometry and the approximate bond angles of the ozone molecule (O3)?

asked Feb 14 in Quantum Chemistry by ElvinDunford (170 points)

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What are the photochemical properties of oxybenzone, avobenzone, and octinoxate, and how do these properties affect the effectiveness of these sunscreen agents in protecting against UV radiation?

asked Feb 14 in PhotoChemistry by CleoGarica0 (350 points)

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What is the effect of oxidative photodamage on the UV absorption properties of common sunscreen agents such as oxybenzone and avobenzone?

asked Feb 14 in PhotoChemistry by DorieKyle916 (410 points)

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