Recent questions in Chemistry

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What are the key material properties that make ceramics suitable for high-temperature applications, and how can these properties be optimized or improved through chemical and material design?

asked Jan 31 in Materials Chemistry by SuzanneDewee (530 points)

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1 answer 53 views

What are the key properties and structural characteristics that make ceramics suitable for high-temperature applications, and how do these properties compare to those of other materials used at high temperatures?

asked Jan 31 in Materials Chemistry by NumbersJacks (870 points)

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How do the properties of ceramics change at high temperatures, and what makes them suitable for use in high-temperature applications such as gas turbine engines and furnace linings?

asked Jan 31 in Materials Chemistry by ColumbusRebe (830 points)

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1 answer 59 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 by KatjaMilerum (630 points)

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1 answer 67 views

What are the lipid components of cell membranes and how do they contribute to the membrane's structure and function?

asked Jan 31 in BioChemistry by ViolaHeane5 (510 points)

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What parameters affect catalytic activity and selectivity in the hydrogenation of ethylene to ethane using a platinum-based catalyst?

asked Jan 31 in Physical Chemistry by VickyMilner (590 points)

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What is the effect of different types of catalysts on the reaction rate of the decomposition of hydrogen peroxide?

asked Jan 31 in Chemical kinetics by JudyCottee50 (630 points)

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What is the effect of different types of catalysts (such as homogenous and heterogeneous catalysts) on the rate of a specific reaction, and how can this be practically applied in industrial processes?

asked Jan 31 in Physical Chemistry by VetaFunk053 (530 points)

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1 answer 58 views

What is the effect of catalysts on the rate of a chemical reaction in terms of activation energy? And, using the Arrhenius equation, calculate the activation energy for the catalyzed and non-catalyzed reactions and compare the two values.

asked Jan 31 in Physical Chemistry by GavinBabin17 (530 points)

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1 answer 64 views

Describe the coordination geometry and the type of ligands involved in the active site of the metalloenzyme catalase, which uses a heme group to convert hydrogen peroxide to water and oxygen. How does the nature of the ligands and the coordination geometry contribute to the enzyme's catalytic activity?

asked Jan 31 in Coordination Chemistry by KlaraPostle (720 points)

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How does the regulation of fatty acid oxidation through the activity of carnitine palmitoyltransferase 1 (CPT1) in the liver impact lipid metabolism and transport in the body?

asked Jan 31 in BioChemistry by LXFKeisha280 (570 points)

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1 answer 54 views

What is the role of carnitine in lipid metabolism and how does its deficiency lead to lipid storage disorders?

asked Jan 31 in BioChemistry by CrystalMarte (450 points)

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1 answer 58 views

What is the difference in reactivity between carboxylic acids and acid chlorides towards nucleophilic substitution reactions, and what factors affect their reactivity?

asked Jan 31 in Organic Chemistry by LeonardVande (430 points)

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What is the role of the metal ion in the active site of the metalloenzyme carbonic anhydrase, and how does this facilitate the enzyme's function of catalyzing the hydration of carbon dioxide to bicarbonate ion?

asked Jan 31 in Coordination Chemistry by RemonaReinig (330 points)

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How does the coordination chemistry of the metalloenzyme, carbonic anhydrase, contribute to its catalytic activity?

asked Jan 31 in Coordination Chemistry by ValentinaTaf (450 points)

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Identify and explain the role of the metal ion in the active site of the metalloenzyme carbonic anhydrase, and discuss how its coordination environment affects its catalytic activity.

asked Jan 31 in Coordination Chemistry by MargeneSouth (530 points)

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1 answer 47 views

Identify and describe the coordination chemistry of the metal ion in the active site of the enzyme carbonic anhydrase, and explain how this coordination environment contributes to the enzyme's catalytic activity in the hydration of carbon dioxide.

asked Jan 31 in Coordination Chemistry by HomerDrury6 (310 points)

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1 answer 40 views

What is the structure of the metal centre in the active site of the metalloenzyme carbonic anhydrase and how does this structure contribute to its function in catalysing the hydration of carbon dioxide?

asked Jan 31 in Coordination Chemistry by MichaelBolin (370 points)

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What is the coordination number of the metal ion in the active site of carbonic anhydrase, given its crystal structure and the ligands present?

asked Jan 31 in Coordination Chemistry by ShellyWoe414 (530 points)

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1 answer 62 views

What is the coordination geometry and metal coordination number in the active site of the metalloenzyme carbonic anhydrase? How does the coordination environment of the metal ion contribute to the enzyme's catalytic activity?

asked Jan 31 in Coordination Chemistry by MelinaMoody2 (310 points)

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