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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 5 days ago in Chemical kinetics by TomHatley066 (770 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 5 days ago in Chemical equilibrium by Lizette97G52 (390 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 KendraCheshi (430 points)

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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 ClairePresto (330 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 AngelaMoritz (330 points)

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1 answer 80 views

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

asked Jan 31 in BioChemistry by MaddisonHoag (510 points)

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1 answer 74 views

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 DarbyManske (570 points)

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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 EnidKieran6 (490 points)

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1 answer 78 views

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 Shawna348041 (310 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 KFIMitzi3101 (530 points)

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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 KeeleyGame0 (410 points)

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1 answer 75 views

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 MaribelWesto (650 points)

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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 Shari7998231 (600 points)

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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 XNQFlorian43 (330 points)

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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 NoellaSkene2 (330 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 JefferyGoodl (550 points)

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1 answer 82 views

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 JohnetteVerd (490 points)

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1 answer 72 views

What effects do changes in pH have on the activity of the enzyme catalase during the breakdown of hydrogen peroxide?

asked Jan 31 in BioChemistry by Leatha15H194 (350 points)

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1 answer 72 views

How do changes in atmospheric concentrations of greenhouse gases contribute to global warming and what chemical reactions are involved in their formation and breakdown?

asked Jan 31 in Environmental Chemistry by RandalLauren (410 points)

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1 answer 75 views

What factors determine the bond strength of a molecule and how can we predict it using chemical bonding principles? Use examples to support your answer.

asked Jan 31 in Chemical bonding by LeonardoH36 (510 points)

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