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What is the electrical conductivity of sodium chloride in water at various concentrations and temperatures? How does the conductivity change with the concentration of the salt and the temperature of the solution?

asked Feb 20 in Inorganic Chemistry by HermineOverb (2.1k points)

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1 answer 87 views

What is the effect of temperature on the reaction rate of the decomposition of hydrogen peroxide catalyzed by manganese dioxide? How does the reaction rate change as the temperature increases, and what is the activation energy of the reaction?

asked Feb 20 in Chemical kinetics by MichaelBirds (2.0k points)

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How does the equilibrium position of a chemical reaction change with an increase or decrease in pressure? Provide an example of a chemical reaction and explain how the change in pressure affects its equilibrium position.

asked Feb 20 in Chemical equilibrium by JoycelynFran (2.7k points)

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What is the effect of varying light intensities on the rate of photochemical reaction of a specific chemical compound?

asked Feb 20 in PhotoChemistry by MirtaBly0080 (2.0k points)

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What is the effect of temperature on the orientation of liquid crystal molecules, and how does this affect the properties such as optical, electrical, and magnetic responses?

asked Feb 20 in Physical Chemistry by SilviaTorpy5 (2.1k points)

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What is the standard enthalpy change for the fusion reaction of hydrogen atoms to form helium atoms? Give the equation for the reaction and show all calculations involved in determining the answer.

asked Feb 20 in Chemical thermodynamics by TatianaSteil (2.3k points)

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1 answer 82 views

How does the electronic configuration and size of lanthanides and actinides affect their coordination chemistry behavior? Provide specific examples to illustrate your answer.

asked Feb 20 in Coordination Chemistry by MammieArmyta (1.8k points)

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1 answer 80 views

How does the energy of the excited state dynamics of a molecule change as a function of its molecular geometry, and how can ab initio calculations be utilized to predict this behavior?

asked Feb 20 in Computational Chemistry by BrittSalas76 (1.8k points)

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1 answer 81 views

What is the electronic structure of a water molecule and what are the molecular orbitals involved in its formation?

asked Feb 20 in Quantum Chemistry by JackH2065356 (1.1k points)

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What is the equilibrium constant (Kc) of the following chemical reaction at 25°C and how can it be interpreted?2NO2(g) ⇌ N2O4(g)

asked Feb 20 in Physical Chemistry by BlaineBeasle (2.0k points)

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What is the mechanism of the Friedel-Crafts acylation reaction, and how does it differ from the Friedel-Crafts alkylation reaction, in the context of synthesizing monoacylated benzene derivatives? Explain with an example of the reaction.

asked Feb 20 in Organic Chemistry by BonnieSayre (2.1k points)

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What is the equilibrium constant (Kc) expression for the reaction N2(g) + O2(g) ⇌ 2NO(g)? If the initial concentrations for N2, O2, and NO are 0.25 M, 0.15 M, and 0.05 M, respectively, what is the value of Kc for the reaction at equilibrium?

asked Feb 20 in Physical Chemistry by Ina75H680861 (2.0k points)

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How does the design of self-assembled supramolecular structures impact their stability and functionality? What are the key factors that influence the self-assembly of supramolecular architectures and how can they be optimized for specific applications?

asked Feb 19 in Physical Chemistry by MellisaOlivo (1.9k points)

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How does the coordination chemistry of metalloenzymes and metalloproteins affect their functionality and specificity towards certain substrates?

asked Feb 19 in Coordination Chemistry by LillianaY16 (1.7k points)

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What is the mechanism of the Friedel-Crafts acylation reaction and how does it differ from the Friedel-Crafts alkylation reaction when synthesizing aromatic compounds? Provide an example of each reaction and explain their selectivities.

asked Feb 20 in Organic Chemistry by Juliana93U49 (2.3k points)

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1 answer 82 views

What is the relationship between the electronic band structure and the optical properties of graphene, and how does this compare to other 2D materials?

asked Feb 20 in Quantum Chemistry by AnnPruett84 (2.3k points)

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1 answer 91 views

What is the effect of different monomer ratios on the physical properties of a polymer?

asked Feb 19 in Physical Chemistry by Roseanna7424 (1.6k points)

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What is the effect of metal complexation on the photochemical properties of a dye molecule? Provide examples of metal-dye complexation and compare their photochemical behavior with the respective uncomplexed dyes.

asked Feb 19 in PhotoChemistry by HermelindaYm (2.3k points)

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1 answer 87 views

What is the effect of temperature on the rate of reaction between sodium thiosulphate and hydrochloric acid, and how can this relationship be quantified using the Arrhenius equation?

asked Feb 20 in Chemical kinetics by JosetteSarto (2.0k points)

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1 answer 80 views

What is the mechanism of Electrophilic addition reaction of water with propene, and what are the products formed?

asked Feb 20 in Organic Chemistry by VioletteM27 (2.1k points)

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