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What is the effect of changing the molecular structure of a liquid crystal on its thermal properties, such as melting point and heat capacity, as predicted by Monte Carlo simulations?

asked 5 days ago in Computational Chemistry by KatrinSallee (370 points)

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What is the effect of changing the ligands on the photochemical properties of metal complexes? Provide specific examples and discuss the underlying mechanisms.

asked 5 days ago in PhotoChemistry by PWOMazie102 (650 points)

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What is the effect of changing the concentration of reactants on the reaction rate and sustainability of a chemical reaction?

asked 5 days ago in Chemical kinetics by RoslynK86684 (310 points)

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Calculate the new equilibrium concentration of a complex ion formed between Cu2+ and NH3(aq) at 25°C, if the initial concentration of Cu2+ is 0.10 M and NH3(aq) is 0.05 M, and the temperature is increased to 35°C. The equilibrium constant (Kc) for this reaction is 1.6×107.

asked 5 days ago in Chemical equilibrium by LizaW812340 (290 points)

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Calculate the power output of an electrochemical cell that uses a cathode made of silver metal immersed in a solution containing silver ions with a concentration of 0.05 M and an anode made of zinc metal immersed in a solution containing zinc ions with a concentration of 0.1 M. The temperature of the solutions is 298 K and the cell operates at a current of 0.5 A.

asked 5 days ago in ElectroChemistry by JuliannJfv26 (450 points)

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What is the effect of changing the concentrations of reactants and products on the equilibrium constant (K) and reaction rate for the reaction: A + B ⇌ C + D?

asked 5 days ago in Chemical kinetics by Isidra30D001 (890 points)

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How does changing the concentration of the reactants affect the reaction rate and efficiency in the chemical reaction between sodium thiosulfate and hydrochloric acid?

asked 5 days ago in Chemical kinetics by AdrianClowes (410 points)

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What is the role of chaperones in protein folding, and how do they assist in the correct folding of proteins?

asked 5 days ago in BioChemistry by LouannePethe (490 points)

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How does changing the pH of a redox reaction affect its equilibrium position? Please provide a specific example of a redox reaction and explain the possible changes in its equilibrium position when the pH is increased or decreased.

asked 5 days ago in Chemical equilibrium by MargueriteBa (620 points)

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Calculate the pH of a buffer solution that contains 0.2 moles of acetic acid (CH3COOH) and 0.1 moles of sodium acetate (NaCH3COO) dissolved in one liter of solution. The dissociation constant of acetic acid is 1.8 x 10^-5.

asked 5 days ago in Chemical reactions by Genevieve973 (350 points)

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How does changing the concentration of reactants or products affect the rate of a reaction at equilibrium?

asked 5 days ago in Chemical kinetics by WinonaAtchis (450 points)

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How does changing the concentration of reactants affect the rate of reaction and its sustainability in a chemical reaction between hydrogen peroxide and potassium iodide?

asked 5 days ago in Chemical kinetics by EldonHyman82 (490 points)

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How does changing the concentration of reactants affect the equilibrium constant of a chemical reaction, and how can this effect be quantitatively measured using experimental data?

asked 5 days ago in Chemical kinetics by Gemma57U2204 (670 points)

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What is the effect of changing the concentration of one reactant on the initial rate and final yield of a chemical reaction, and how does this relate to the reaction mechanism?

asked 5 days ago in Chemical kinetics by LashayFonten (630 points)

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How does changing the ratio of reactants in a chemical reaction affect the rate of the reaction? Specifically, what is the effect on reaction rate when the stoichiometric ratios of reactants are altered in the reaction between A and B to form product C?

asked 5 days ago in Chemical kinetics by ChassidyCosh (270 points)

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How does changing the concentration of reactants affect the reaction rate in a chemical reaction involving [product]? Use experiments and data analysis to support your answer.

asked 5 days ago in Chemical kinetics by EldenNobbs11 (450 points)

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How does changing the temperature affect the behavior of a polymer system composed of 1000 chains constructed from styrene monomers, as determined by Monte Carlo simulations, and how can this information be applied to design synthetic polymers with specific properties?

asked 5 days ago in Computational Chemistry by JamisonNoel (670 points)

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Considering the subtopic of the study of properties of ceramics for high-temperature applications, the problem for the chemistry student to solve could be:What are the specific material properties of ceramics that make them suitable for use in high-temperature applications, and how can these properties be optimized for various industrial or scientific purposes? What types of fabrication methods or processing techniques can be used to create ceramics with desired properties for specific high-temperature applications?

asked 5 days ago in Materials Chemistry by SQIHarriett5 (230 points)

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How does changing the pH of a solution affect the equilibrium position of a redox reaction between copper and silver ions? Provide a detailed explanation with chemical equations and the relevant equilibrium constants.

asked 5 days ago in Chemical equilibrium by RenaUxo07372 (470 points)

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Calculate the standard enthalpy change (∆H°) for the dissolution of 5 grams of table salt (NaCl) in water at 298 kelvin. The molar mass of NaCl is 58.44 g/mol and the heat capacity of the solution is 4.18 J/gK.

asked 5 days ago in Chemical thermodynamics by LouieEmmons4 (470 points)

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