Recent activity by TroyPurton77

1 answer 79 views

How does the presence of a catalyst affect the reaction rate of the decomposition of hydrogen peroxide?

asked Feb 22 in Chemical kinetics

1 answer 85 views

How does the photochemical nature of dyes and pigments affect their use in textile?

1 answer 74 views

What is the optimum conditions required for the synthesis of polypropylene from propylene monomer using Ziegler-Natta catalyst and how does it affect the properties of the resulting polymer?

asked Feb 22 in Chemical synthesis

1 answer 65 views

What is the optimal synthesis strategy for creating a biocompatible and efficient drug delivery material using nanotechnology and how can its properties be characterized and measured to determine its suitability for clinical use?

asked Feb 21 in Materials Chemistry

1 answer 74 views

What is the molecular shape of carbon dioxide (CO2) and how does it relate to its electronic geometry?

asked Feb 21 in Physical Chemistry

1 answer 85 views

How do the excited state dynamics of a molecule differ from its ground state, and how can these differences be studied and quantified through ab initio calculations?

asked Feb 20 in Computational Chemistry

1 answer 84 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?

answered Feb 20 in Chemical kinetics

1 answer 90 views

What is the reaction mechanism for the conversion of an alcohol to an alkene using a strong acid catalyst, and what factors affect the selectivity of this reaction?

asked Feb 19 in Organic Chemistry

1 answer 101 views

What is the difference in physical and chemical properties between methanol and ethanol, and how does the addition of a phenol group to a carbon atom in ethanol affect its properties?

asked Feb 13 in Organic Chemistry

1 answer 144 views

How do intermolecular forces affect the solubility of polar and nonpolar molecules in different solvents?

answered Feb 13 in Quantum Chemistry

1 answer 147 views

What is the role of the enzyme DNA polymerase III in DNA replication and how does it ensure fidelity during the process?

answered Feb 12 in BioChemistry

1 answer 110 views

How can the stability of oil-in-water emulsions be improved using surfactants?

asked Feb 10 in Surface Chemistry

1 answer 89 views

How can chemistry students better prepare themselves for careers in the field, and are there any specific skills or knowledge areas that are often inadequately covered in traditional chemistry curricula?

answered Feb 4 in Chemical education

1 answer 127 views

Design a retrosynthesis pathway to synthesize benzyl alcohol from benzaldehyde using the appropriate reagents and reaction conditions.

answered Feb 4 in Organic Chemistry

1 answer 79 views

Calculate the standard enthalpy of reduction for the following reaction: Fe2O3 (s) + 3 H2(g) → 2 Fe(s) + 3 H2O(g)Given: ΔH°f for Fe2O3 (s) = -824.2 kJ/mol ΔH°f for H2O(g) = -241.8 kJ/molΔH°f for Fe(s) = 0 kJ/mol

answered Feb 3 in ThermoChemistry

1 answer 86 views

Calculate the standard enthalpy change for the neutralization reaction of hydrochloric acid (HCl) with sodium hydroxide (NaOH) when 50.0 mL of 1.0 M HCl reacts with 50.0 mL of 1.0 M NaOH in a constant pressure calorimeter. Assume the density of the final solution is the same as that of pure water (1 g/mL) and that the specific heat capacity of the final solution is 4.18 J/g K.

asked Feb 3 in Chemical thermodynamics

1 answer 84 views

Calculate the equilibrium constant, K, for the electrochemical reaction below, given the standard reduction potentials at 298 K:2 H+ (aq) + 2 e- → H2 (g) E° = 0.00 VFe3+ (aq) + e- → Fe2+ (aq) E° = +0.771 V

asked Jan 23 in ElectroChemistry

1 answer 120 views

A student wants to know how the equilibrium position of a weak acid such as acetic acid would be affected if they add more acetate ion. If the initial concentration of acetic acid is 0.1 M and initial concentration of acetate ion is 0.05 M. What will be the new concentration of acetate ion necessary to increase the pH of the solution by 0.5 units?

answered Jan 22 in Chemical equilibrium

1 answer 123 views

A certain hydrocarbon requires 343 kJ of energy to break one mole of carbon-carbon bonds and 413 kJ/mole to break one mole of carbon-hydrogen bonds. What is the bond dissociation energy of the carbon-carbon and carbon-hydrogen bonds in this hydrocarbon?

answered Jan 22 in ThermoChemistry

1 answer 86 views

What is the main premise of CBT?

answered Jan 20 in Psychology

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