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How does changing the reactant concentration affect the efficiency of the reaction of hydrogen peroxide decomposition catalyzed by manganese dioxide?

asked Feb 3 in Chemical kinetics by AlexandraVic (250 points)

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How does changing the pH of a solution affect the equilibrium position of an acid-base reaction, and what factors influence this effect? Provide examples of acid-base equilibria and their changes in equilibrium position with changes in pH.

asked Feb 3 in Chemical equilibrium by ShawneeSalmo (230 points)

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How does changing the concentration of reactants affect the reaction rate and the yield of products in the reaction between sodium thiosulphate and hydrochloric acid, and what is the optimal concentration of reactants to achieve the highest yield?

asked Feb 3 in Chemical kinetics by FlorianLayh5 (410 points)

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What are the photochemical properties that allow bioluminescent organisms to produce light, and how could this knowledge be applied in the development of new imaging technologies?

asked Jan 31 in PhotoChemistry by RaymonSchmid (250 points)

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1 answer 82 views

How do changes in the electronic structure of a molecule affect its magnetic properties and how can these changes be quantitatively calculated using quantum chemistry calculations? Specifically, investigate how the presence or absence of unpaired electrons in a molecule influences its magnetic susceptibility and how this can be predicted using theoretical models.

asked Jan 31 in Quantum Chemistry by ReyesChatfie (350 points)

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How do changes in the composition of perovskite materials affect their electronic and optical properties, and what are the most effective methods for calculating and predicting these properties?

asked Jan 31 in Quantum Chemistry by ZYLArnulfo4 (430 points)

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1 answer 81 views

What is the role of ATP synthase in oxidative phosphorylation within the electron transport chain?

asked Jan 31 in BioChemistry by PhilipMcKeon (550 points)

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1 answer 81 views

How does the drug aspirin work to relieve pain and reduce inflammation at the molecular level?

asked Jan 31 in Medicinal Chemistry by DomingoHemma (450 points)

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1 answer 75 views

What is the effect of changes in reactant concentration on the rate of a chemical reaction and its sustainability?

asked Jan 31 in Chemical kinetics by ShaylaLemons (430 points)

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How does the change in reaction conditions, such as temperature and pH, affect the rates of electron transfer processes and redox reactions in solution?

asked Jan 31 in Quantum Chemistry by ShaunTulloch (270 points)

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How does the photochemical process in bioluminescent organisms differ from non-luminescent organisms, and what biochemical pathways are involved in producing the light emission?

asked Jan 31 in PhotoChemistry by JosetteOjh75 (370 points)

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1 answer 73 views

How do changes in the electronic structure of an enzyme’s active site affect its catalytic activity in the reaction of interest? Use computational tools to investigate the specific changes that occur in the active site of an enzyme and determine the resulting effects on the reaction mechanism.

asked Jan 31 in Computational Chemistry by MadelineRobe (430 points)

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1 answer 77 views

What types of bonding are present in caffeine molecule and what is the molecular structure of caffeine? Provide a detailed explanation based on your knowledge of chemical bonding and molecular structure.

asked Jan 31 in Chemical education by CarrolTomkin (410 points)

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What is the coordination environment of the metal ion in the active site of carbonic anhydrase, and how does this influence its enzymatic activity?

asked Jan 31 in Coordination Chemistry by NestorSeccom (750 points)

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What is the probability of the formation of HCl from H2 and Cl2 gases in a gas-phase reaction at a temperature of 298 K and a pressure of 1 atm, using Monte Carlo simulations?

asked Jan 31 in Computational Chemistry by GlennaValle0 (510 points)

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1 answer 72 views

What are the effects of changing the concentration of polymer solution on the mechanical properties (such as mechanical strength and elasticity) of 3D-printed structures?

asked Jan 31 in Materials Chemistry by DennyHillen (450 points)

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1 answer 85 views

What specific functional group is present in a compound if the UV-Vis spectroscopy analysis reveals an absorption peak at 170-180 nm?

asked Jan 31 in Analytical Chemistry by Fern52B69739 (270 points)

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1 answer 81 views

How does the change in molecular geometry affect the electronic properties and the charge distribution of a given molecule? Use ab initio calculations to calculate the molecular properties of a selected molecule at different geometries and analyze the resulting data.

asked Jan 31 in Computational Chemistry by MarcelaBayer (370 points)

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1 answer 78 views

What is the metabolic pathway of a commonly prescribed drug such as aspirin in the body, and how do different factors such as age, gender, and genetics affect the metabolism of this drug?

asked Jan 31 in Medicinal Chemistry by Roger68B7882 (820 points)

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1 answer 81 views

What is the carbon footprint of a typical person in your community and what specific actions could be taken to reduce it?

asked Jan 31 in Environmental Chemistry by ChristinMead (490 points)

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