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How does the crystal structure of magnetic materials affect their magnetic properties, and how can this knowledge be used to optimize their use in data storage devices like hard drives?

asked Feb 19 in Materials Chemistry by HowardAlmond (1.8k points)

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What is the equilibrium constant expression for the following reaction at 298 K?H2(g) + I2(g) ⇌ 2HI(g)

asked Feb 20 in Physical Chemistry by FilomenaWago (1.8k points)

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What is the equilibrium constant expression for the following chemical reaction?2NO(g) + O2(g) ⇌ 2NO2(g)

asked Feb 20 in Chemical reactions by JeroldStonem (1.6k points)

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1 answer 98 views

What is the effect of molecular weight on the melt viscosity of polystyrene at varying shear rates?

asked Feb 19 in Polymer Chemistry by RubyPeltier8 (2.0k points)

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What is the effect of solvent polarity on the rate of the photochemical reaction between benzophenone and methanol in different solvents with varying polarities?

asked Feb 19 in PhotoChemistry by DeanneMack98 (2.1k points)

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How does the electronic band structure of a material change with varying external pressure, as predicted by density functional theory calculations?

asked Feb 20 in Computational Chemistry by MaximoVardon (1.9k points)

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What is the effect of various types of ionic salts on the properties of polymer electrolytes for batteries?

asked Feb 20 in Polymer Chemistry by NoeX25113136 (1.9k points)

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How does the energy level of an electron affect its probability of being transferred in a redox reaction?

asked Feb 20 in Quantum Chemistry by ZitaHarrell8 (1.8k points)

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What is the effect of degree of polymerization on the tensile strength and viscosity of a polymer?

asked Feb 19 in Physical Chemistry by TonyaCombs22 (1.8k points)

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What is the effect of temperature on the adsorption of gases on solid surfaces? Provide experimental evidence and theoretical justification for your answer.

asked Feb 20 in Surface Chemistry by SimonMcWilli (1.9k points)

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1 answer 103 views

What are the factors that influence the degradation and stability of polymeric materials and how can they be mitigated or controlled to enhance the longevity and performance of these materials in various applications?

asked Feb 19 in Polymer Chemistry by AgnesXyg5256 (2.0k points)

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What is the effect of solvent molecules on the stability and dynamics of the DNA-protein complex during molecular dynamics simulations?

asked Feb 19 in Computational Chemistry by SZVRamon1645 (2.4k points)

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How does the folding pattern of a protein determine its function?

asked Feb 20 in BioChemistry by DebraKeys12 (1.7k 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 mechanism of electrophilic addition reaction of HBr with propene? Draw the complete mechanism and explain the formation of the major and minor products.

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

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How do the electronic properties of a material change when different functional forms are used in density functional theory (DFT) calculations?

asked Feb 20 in Computational Chemistry by AlexK0785479 (1.8k points)

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What is the mechanism behind the corrosion of iron and how does passivation effect its corrosion rate?

asked Feb 19 in Surface Chemistry by RodrigoHopwo (1.9k points)

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1 answer 87 views

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 mechanism for the electrophilic addition reaction between hydrogen bromide and propene? Provide a stepwise explanation of each intermediate and product formed during the reaction.

asked Feb 20 in Organic Chemistry by WyattBriones (1.9k points)

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What is the effect of temperature on the rate of an enzyme-catalyzed reaction and how does the presence of an inhibitor affect this effect at different temperatures?

asked Feb 20 in BioChemistry by SammieToohey (1.6k points)

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