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What is the effect of the chemical composition of a polymer-based adhesive on its bonding strength and durability?

asked Feb 20 in Polymer Chemistry by SusannahRose (1.3k points)

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What is the effect of different polymer structures on the efficiency of polymer-based photovoltaic cells?

asked Feb 20 in Polymer Chemistry by JanisMontane (1.8k points)

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What is the effect of the anion type on the viscosity of different ionic liquids at varying temperatures and pressure?

asked Feb 20 in Physical Chemistry by JaninaDohert (2.2k points)

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What is the standard enthalpy of formation of sodium chloride (NaCl) given the following information: the standard enthalpy of formation of sodium (Na) is -108.5 kJ/mol and the standard enthalpy of formation of chlorine (Cl2) is 0 kJ/mol?

asked Feb 20 in ThermoChemistry by RebekahH3016 (1.9k points)

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What is the electronegativity difference between a nitrogen atom (EN = 3.04) and an oxygen atom (EN = 3.44)?

asked Feb 20 in Chemical bonding by HarryHodgkin (2.2k points)

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What is the effect of increasing the temperature on the equilibrium constant (K) for the formation of a complex ion when the reaction is exothermic? Provide numerical justification with an appropriate example.

asked Feb 19 in Chemical equilibrium by LeannaCremea (1.6k points)

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What is the mechanism for the excited state chemistry of the compound benzene, and how can it be optimized through ab initio calculations?

asked Feb 20 in Computational Chemistry by MorrisMcGahe (1.7k points)

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What is the effect of temperature on the surface tension of water, and how can it be measured accurately?

asked Feb 20 in Surface Chemistry by DarbyJackey7 (1.4k points)

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What is the mechanism of the formation of pyridine from acetaldehyde and ammonia, and what are the key intermediate compounds involved in this reaction?

asked Feb 20 in Organic Chemistry by SZVRamon1645 (2.4k points)

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How does the folding of a protein determine its function and how do different environmental factors affect protein folding?

asked Feb 20 in BioChemistry by EmileR968610 (2.0k points)

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How do the electronic and optical properties of graphene and other 2D materials vary with changes in temperature and doping concentration?

asked Feb 20 in Quantum Chemistry by AlmedaGooch6 (1.7k points)

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What is the efficiency of an electrochemical cell when the electrode potential is +0.6V and the cell voltage is 1.8V?

asked Feb 20 in ElectroChemistry by Annett65L392 (2.1k points)

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What is the chemical process and mechanism behind the formation of the peptide bonds during translation in RNA transcription?

asked Feb 20 in BioChemistry by FranY1408156 (2.2k points)

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What is the enthalpy of vaporization of water at 373K? Given the heat of formation of liquid water is -285.8 kJ/mol and the heat of formation of water vapor is -241.8 kJ/mol. The vapor pressure of water at the boiling point (373K) is 101.325 kPa.

asked Feb 20 in ThermoChemistry by AntoinetteWo (2.0k points)

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What is the effect of temperature on the rate of enzymatic activity for the enzyme lactase, which is responsible for breaking down lactose in milk?

asked Feb 20 in BioChemistry by ZitaHarrell8 (1.8k points)

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What is the mechanism of electrophilic addition reaction between propene and hydrogen bromide, and what product will be obtained?

asked Feb 20 in Organic Chemistry by Eusebia94K98 (2.2k points)

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What is the enthalpy of ionization for a lithium atom when it loses one electron to form a Li+ ion in a gas phase? Given that the energy required to remove an electron from a gaseous Li atom is 520 kJ/mol.

asked Feb 20 in ThermoChemistry by KariMcCleary (1.5k points)

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What is the heat of sublimation for dry ice (solid carbon dioxide) given that its enthalpy of fusion is 9.2 kJ/mol and its enthalpy of vaporization is 25.1 kJ/mol?

asked Feb 20 in ThermoChemistry by TiaraFitzgib (2.1k points)

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How does the electronic configuration of transition metal complexes affect their photochemical properties?

asked Feb 20 in PhotoChemistry by AmelieW70701 (1.7k points)

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What is the effect of different catalysts on the rate of the reaction between hydrogen peroxide and potassium iodide?

asked Feb 19 in Chemical kinetics by HughNewquist (2.3k points)

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