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What is the purity of an unknown substance if its melting point range is between 125°C to 130°C, and the literature value for the melting point of the pure substance is 132°C?

asked Feb 22 in Analytical Chemistry by Katja04J6453 (1.8k points)

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How does the rate of photochemical reactions vary with different levels of light intensity, and what factors determine the efficiency of the reaction under different light conditions?

asked Feb 22 in PhotoChemistry by AstridMusser (1.9k points)

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How does the reaction rate affect the selectivity of the reaction between FeCl3 and KCNS in terms of the color change observed, as measured by UV-Vis spectroscopy?

asked Feb 22 in Chemical kinetics by BenjaminWenz (2.0k points)

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How does light intensity affect the rate of a specific photochemical reaction involving the conversion of cis-2-butene into trans-2-butene?

asked Feb 22 in PhotoChemistry by ZellaSeamon3 (1.6k points)

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How does the presence of reaction intermediates affect the rate of a chemical reaction and what experimental techniques can be used to investigate this effect?

asked Feb 22 in Chemical kinetics by CedricNicker (1.9k points)

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How does the presence of a catalyst affect the equilibrium position of a reversible reaction? Provide an example and explain your answer using Le Chatelier's principle.

asked Feb 22 in Chemical equilibrium by AshleighFleg (2.1k points)

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What is the effect of pH on the rate of the reaction between magnesium and hydrochloric acid?

asked Feb 22 in Chemical kinetics by ChongLigon1 (2.0k points)

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How does pH affect the rate of the reaction between hydrochloric acid and sodium thiosulphate?

asked Feb 22 in Chemical kinetics by QJXClarice2 (2.5k points)

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What is the effect of the initial concentration of reactants on the reaction rate and yield in the reaction between hydrochloric acid and sodium thiosulfate?

asked Feb 22 in Chemical kinetics by FelicitasVas (2.1k points)

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How does the rate of a photochemical reaction involving a certain reactant change as the intensity of light is increased or decreased?

asked Feb 22 in PhotoChemistry by MarciaBrooke (1.8k points)

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What is the rate of the reaction between sodium thiosulfate and hydrochloric acid at 25°C? How does it vary with respect to concentration changes in the reacting species?

asked Feb 22 in Inorganic Chemistry by Mose2866156 (1.6k points)

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Identify the reaction mechanism and the intermediate species involved in the formation of alcohol in the reaction between an alkene and water in the presence of a sulfuric acid catalyst.

asked Feb 22 in Organic Chemistry by AWSReginald (2.2k points)

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What is the mechanism for the reaction between an aldehyde and a primary amine to form an imine product? Provide the balanced chemical equation and explain the steps involved in the mechanism.

asked Feb 22 in Organic Chemistry by TimmyCapra21 (2.1k points)

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What is the effect of temperature on the reaction rate and safety of the reaction between hydrogen peroxide and potassium iodide?

asked Feb 22 in Chemical kinetics by BlancaVennin (1.5k points)

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How does the rate of reaction affect the selectivity of a chemical reaction and how can we manipulate the reaction conditions to favor a specific product? Provide a specific example to illustrate your answer.

asked Feb 22 in Chemical kinetics by DKGStacy090 (2.4k points)

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How does the intensity of light affect the rate of reaction between potassium permanganate and oxalic acid in acidic medium?

asked Feb 22 in Chemical kinetics by MarcyLowrie (2.3k points)

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1 answer 99 views

How do the properties of polymer-based 3D printing materials impact the printing process and the resulting printed objects?

asked Feb 22 in Polymer Chemistry by ClevelandHaw (2.4k points)

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Identify the reaction mechanism and intermediates involved in the acid-catalyzed hydration of 2-butene to form 2-butanol.

asked Feb 22 in Organic Chemistry by LeighBwb6800 (1.9k points)

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What is the effect of increasing pressure on the rate of the reaction between hydrogen gas and iodine gas to form hydrogen iodide?

asked Feb 22 in Chemical kinetics by PatsyRanson (1.9k points)

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How does the change in pH affect the rate of the reaction between hydrochloric acid and magnesium?

asked Feb 22 in Chemical kinetics by CoreyBeck54 (2.2k points)

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