Hot questions

0 votes

1 answer 94 views

How does the temperature affect the structure and behavior of a lipid bilayer membrane in molecular dynamics simulations?

asked Feb 28 in Computational Chemistry by TheScientist (138k points)

0 votes

1 answer 90 views

How can the use of renewable energy sources, such as solar panels and wind turbines, reduce the emission of greenhouse gases and contribute to mitigating climate change?

asked Feb 28 in Environmental Chemistry by TheScientist (138k points)

0 votes

1 answer 95 views

How can the synthesis of zeolites be optimized for their use in industrial applications?

asked Feb 28 in Materials Chemistry by TheScientist (138k points)

0 votes

1 answer 81 views

What is the corrosion rate of iron in a 0.1 M HCl solution at 298 K, given that the corrosion potential is -0.44 V and the current density is 1.2 mA/cm²?

asked Mar 1 in ElectroChemistry by TheScientist (138k points)

0 votes

1 answer 77 views

What is the lattice energy of CaCl2 given that the crystal has a distance of 2.80 Angstroms between the Ca2+ and Cl- ions and the charge on each ion is +2 and -1 respectively?

asked Mar 1 in Inorganic Chemistry by TheScientist (138k points)

0 votes

1 answer 82 views

What is the anodic Tafel slope for the oxidation of Fe in a 0.1 M FeCl2 solution at a current density of 0.5 mA/cm2? Use the given data: T = 298 K, A = 0.2 cm2, and the exchange current density is 0.1 mA/cm2.

asked Mar 1 in ElectroChemistry by TheScientist (138k points)

0 votes

1 answer 87 views

How many different isomers can be formed for a molecule having the chemical formula C4H10O? Provide the structures for each isomer.

asked Mar 1 in Chemical bonding by TheScientist (138k points)

0 votes

1 answer 78 views

What is the formal charge on the nitrogen atom in the molecule NO3⁻?

asked Mar 1 in Chemical bonding by TheScientist (138k points)

0 votes

1 answer 88 views

How does the zeta potential affect the stability of colloidal systems in electrokinetic phenomena?

asked Feb 28 in Surface Chemistry by TheScientist (138k points)

0 votes

1 answer 82 views

Question: The heat of sublimation of iodine is 62.44 kJ/mol. Calculate the amount of heat required for subliming 20 g of iodine at its melting point of 387 K.

asked Mar 1 in ThermoChemistry by TheScientist (138k points)

0 votes

1 answer 82 views

What is the heat capacity of a 50 g copper block when heated from 25°C to 95°C, given that the specific heat capacity of copper is 0.385 J/g·°C? Calculate the amount of heat energy required to raise the temperature of the copper block by 70°C.

asked Mar 1 in ThermoChemistry by TheScientist (138k points)

0 votes

1 answer 91 views

How has the understanding of chemical reactions evolved over time and what were some significant milestones in the history of chemistry that contributed to this evolution?

asked Feb 28 in Chemical education by TheScientist (138k points)

0 votes

1 answer 80 views

What is the enthalpy change for the isomerization of butene-1 to butene-2 at standard conditions, given the enthalpies of formation of butene-1, butene-2, and hydrogen gas?

asked Mar 1 in ThermoChemistry by TheScientist (138k points)

0 votes

1 answer 73 views

What is the theoretical yield of 2,4-dinitrobenzoic acid that can be obtained from the reaction of 10 grams of benzoic acid with excess nitric acid, if the reaction has a 75% yield?

asked Mar 1 in Chemical synthesis by TheScientist (138k points)

0 votes

1 answer 88 views

What is the mechanism of the Williamson ether synthesis reaction? Explain how the reaction occurs and identify the roles of the reagents involved in the reaction.

asked Feb 28 in Organic Chemistry by TheScientist (138k points)

0 votes

1 answer 79 views

What is the enthalpy change when 50.0 grams of ammonium chloride (NH4Cl) is dissolved in 250.0 mL of water at 25°C? The molar enthalpy of dissolution of NH4Cl is -14.8 kJ/mol.

asked Mar 1 in ThermoChemistry by TheScientist (138k points)

0 votes

1 answer 76 views

What is the yield of acetylsalicylic acid produced when 5 grams of salicylic acid is reacted with excess acetic anhydride, assuming a theoretical yield of 7 grams and an actual yield of 4.5 grams?

asked Mar 1 in Chemical synthesis by TheScientist (138k points)

0 votes

1 answer 83 views

How can we address the limited availability of chemistry textbooks and resources in schools with low budgets or in areas with limited access to educational materials?

asked Mar 1 in Chemical education by TheScientist (138k points)

0 votes

1 answer 90 views

How does the use of different monomers affect the adhesive properties of polymers on different surfaces?

asked Feb 28 in Polymer Chemistry by TheScientist (138k points)

0 votes

1 answer 92 views

How does the type of amino acid residues in protein binding pockets affect the stability and dynamics of DNA-protein interactions in molecular dynamics simulations?

asked Feb 28 in Computational Chemistry by TheScientist (138k points)

Categories