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What is the biochemical mechanism behind the activation of the ERK signaling pathway in cancer cells, and how does this pathway ultimately impact cell growth and division?

asked Feb 20 in BioChemistry by LeoQuinonez1 (1.9k points)

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What is the equilibrium constant (Kc) expression for the following generic chemical reaction?aA(g) + bB(g) ⇌ cC(g) + dD(g)

asked Feb 20 in Physical Chemistry by ConcettaAmse (2.0k points)

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How does the electronic band structure of a metal change under different strain conditions, as predicted by density functional theory calculations?

asked Feb 20 in Computational Chemistry by DominickPlum (2.5k points)

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What is the effect of molecular structure and environment on electron transport in nanoscale systems? Analyze the transport properties of a specific molecular system using quantum mechanical methods and computational simulations.

asked Feb 19 in Quantum Chemistry by SylviaPettey (2.4k points)

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1 answer 89 views

What conditions and reagents are necessary for the efficient synthesis of polyvinyl chloride from vinyl chloride monomer, and how do these parameters affect the yield and properties of the resulting polymer?

asked Feb 20 in Chemical synthesis by 540252730007 (1.9k points)

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How does the electronic structure of a material affect its electrical conductivity, and can this be accurately predicted using density functional theory calculations?

asked Feb 20 in Computational Chemistry by DebbraCarder (2.3k points)

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What is the electronegativity difference between a chlorine atom (Cl) and a sodium atom (Na)? Show your calculations and explain what this difference tells us about the type of chemical bond formed between these two elements.

asked Feb 20 in Chemical bonding by PhilipPrisco (1.9k points)

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1 answer 102 views

What is the critical micelle concentration of a given surfactant and how does it affect the surface tension of a solution?

asked Feb 19 in Surface Chemistry by StefanieBret (2.1k points)

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1 answer 95 views

What would be the effect on the equilibrium constant (Kc) for a reaction if the temperature is increased from 25°C to 35°C? Provide reasons for the observed effect based on Le Chatelier's Principle.

asked Feb 19 in Chemical equilibrium by UweEales0685 (1.8k points)

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1 answer 110 views

What is the coordination environment of the metal center in the active site of the metalloenzyme carbonic anhydrase and how does this environment contribute to the enzyme's function in the reversible hydration of carbon dioxide?

asked Feb 19 in Coordination Chemistry by JeremyCanady (2.1k points)

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What is the mechanism of electrophilic addition reaction of HBr with an alkene, and how does the reactivity of the alkene affect the rate and regioselectivity of the reaction? Provide relevant examples to support your answer.

asked Feb 20 in Organic Chemistry by MeaganAddis6 (1.8k points)

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How does the reaction rate of the decomposition of hydrogen peroxide change with changes in pressure?

asked Feb 19 in Chemical kinetics by HowardAlmond (1.8k points)

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What is the effect of changing the concentration of photosensitizer on the rate of a photochemical reaction?

asked Feb 19 in PhotoChemistry by NapoleonMeri (1.9k points)

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What is the effect of changing the concentration of a photosensitizer on the rate of a photochemical reaction?

asked Feb 19 in PhotoChemistry by KentFlannaga (1.7k points)

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What is the effect of pH on the reaction rate of the hydrolysis of sucrose using invertase enzyme at 37°C?

asked Feb 19 in Chemical kinetics by Reuben64X571 (2.3k points)

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What is the reaction mechanism for the electrophilic addition of hydrogen bromide to propene and what are the major and minor products formed?

asked Feb 20 in Organic Chemistry by AidanSewell2 (1.9k points)

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1 answer 95 views

What is the effect of increasing pressure on the reaction rate between hydrogen gas and iodine gas to form hydrogen iodide, and how does this relate to the collision theory of chemical reactions?

asked Feb 19 in Chemical kinetics by StarMayo945 (1.8k points)

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1 answer 98 views

What is the dipole moment of carbon dioxide and how does it differ from the dipole moment of water? Use your knowledge of the molecular geometry and bond polarity of these molecules to explain their dipole moments.

asked Feb 19 in Chemical bonding by Rudy59684212 (1.8k points)

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What is the coordination geometry of the active site in the metalloenzyme carbonic anhydrase? How does the coordination geometry of the metal ion in the active site affect the enzyme's catalytic activity?

asked Feb 19 in Coordination Chemistry by MaggieTrujil (1.6k points)

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1 answer 90 views

What is the effect of varying the salt concentration on the stability of DNA-protein complexes in molecular dynamics simulations?

asked Feb 20 in Computational Chemistry by ColumbusU230 (2.4k points)

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