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User SherrylIwz83
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Recent activity by SherrylIwz83
1
answer
28
views
What factors determine the selectivity of a chemical reaction and how can quantum chemistry be used to predict it?
asked
Feb 24
in
Quantum Chemistry
1
answer
28
views
What is the relative acidity of the following molecules: acetic acid (CH3COOH), ethanol (CH3CH2OH), and water (H2O)? Provide an explanation for your answer based on the properties of each molecule.
asked
Feb 24
in
Chemical bonding
1
answer
43
views
How does the rate of reaction between hydrochloric acid and magnesium change as the concentrations of the reactants vary?
answered
Feb 22
in
Chemical kinetics
1
answer
27
views
What is the effect of the particle size of activated carbon on the adsorption capacity for a specific pollutant?
asked
Feb 22
in
Surface Chemistry
1
answer
27
views
How does the intensity of light affect the rate of a reaction between hydrogen peroxide and iodide ions under different wavelengths of light?
asked
Feb 20
in
Chemical kinetics
1
answer
27
views
What is the hybridization of the nitrogen atom in the molecule NH3?
answered
Feb 20
in
Chemical bonding
1
answer
29
views
What is the bond length between two hydrogen atoms in a hydrogen molecule (H2) if the distance between the nuclei of the two atoms is 0.074 nm?
asked
Feb 18
in
Chemical bonding
1
answer
32
views
What is the best method for synthesizing high molecular weight polyvinylpyrrolidone from vinylpyrrolidone monomer?
answered
Feb 17
in
Chemical synthesis
1
answer
37
views
How does the amino acid composition affect the folding pathway of a specific protein molecule in Molecular Dynamics Simulations?
asked
Feb 17
in
Computational Chemistry
1
answer
24
views
What is the effect of temperature and pressure on the adsorption of gases on solid surfaces? Provide a detailed explanation with examples from experimental data.
answered
Feb 17
in
Surface Chemistry
1
answer
29
views
What are the mechanisms behind the photochemical properties of silver halides and how do these properties make them suitable for use in photographic films and papers?
answered
Feb 14
in
PhotoChemistry
1
answer
37
views
How does pH variation affect the colloidal stability of a sol?
asked
Feb 14
in
Surface Chemistry
1
answer
66
views
What is the effect on the equilibrium position of the following reaction: 2NO2(g) ⇌ N2O4(g) If we add more N2O4 to the reaction chamber?
asked
Feb 13
in
Chemical equilibrium
1
answer
102
views
What electronic transport properties can be predicted accurately through the use of Density Functional Theory calculations in organic photovoltaics, and how do these properties affect the overall efficiency of these devices?
asked
Feb 12
in
Computational Chemistry
1
answer
64
views
How does the coordination chemistry of metalloenzymes and metalloproteins affect their functions in biological systems? Provide specific examples to support your answer.
answered
Feb 12
in
Coordination Chemistry
1
answer
35
views
How can the compatibility of two different types of polymers in a blend be determined and optimized to achieve desirable properties in the resulting material?
answered
Feb 6
in
Polymer Chemistry
1
answer
73
views
Calculate the standard enthalpy change for the reaction that occurs when 50 grams of ice at -10°C is heated to water at 25°C. The molar enthalpy of fusion of ice is 6.01 kJ/mol, and the specific heat capacity of water and ice are 4.184 J/g°C and 2.09 J/g°C, respectively. (Assume that the entire sample of ice is converted to water and that no heat is lost to the surroundings.)
asked
Feb 3
in
Chemical thermodynamics
1
answer
41
views
How do changes in metabolite levels affect the overall function of a biological system, and can these changes be used to predict or diagnose diseases?
answered
Jan 31
in
BioChemistry
1
answer
91
views
What strategies can be used to help students better understand the periodic table and the properties of chemical elements?
asked
Jan 30
in
Chemical education
1
answer
101
views
How can X-ray fluorescence spectroscopy be used to identify and quantify the presence of specific elements in a sample?
asked
Jan 30
in
Analytical Chemistry
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