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Answers by JaninaDohert
0
votes
31
views
What is the relationship between the chemical structure and electronic properties of conjugated polymers? How does changing the length or substitution of the polymer chain affect its electronic and optical properties?
answered
Feb 24
in
Quantum Chemistry
0
votes
24
views
What is the most efficient and environmentally friendly method for producing white paint with the desired properties of opacity, gloss, and viscosity using titanium dioxide as the primary pigment and binder?
answered
Feb 21
in
Chemical engineering
0
votes
29
views
What are the main factors that affect the degradation and stability of polymeric materials and how can we control or minimize their impact in different environments?
answered
Feb 20
in
Polymer Chemistry
0
votes
37
views
How does the intensity of light affect the rate of a photochemical reaction? Provide experimental evidence to support your answer.
answered
Feb 20
in
Physical Chemistry
0
votes
32
views
How does the excitation wavelength affect the emission intensity and lifetime of a commonly used fluorescent dye such as fluorescein?
answered
Feb 20
in
PhotoChemistry
0
votes
32
views
What is the mechanism of the esterification reaction between acetic acid and ethanol, and how does the reaction conditions affect the yield of the product?
answered
Feb 20
in
Organic Chemistry
0
votes
24
views
How do the electronic and magnetic properties of transition metal complexes vary with changes in their ligand environments and oxidation states?
answered
Feb 20
in
Quantum Chemistry
0
votes
38
views
What is the effect of monomer structure on the electrical conductivity of polymer-based electronic materials?
answered
Feb 20
in
Polymer Chemistry
0
votes
29
views
How does the coordination chemistry of metalloproteins and metalloenzymes affect their biological functions?
answered
Feb 19
in
Coordination Chemistry
0
votes
33
views
What is the balanced chemical equation for the combustion of methane gas (CH4) and what is the oxidation state of carbon in CH4 before and after the combustion reaction?
answered
Feb 17
in
Chemical reactions
0
votes
43
views
How does the elevation of certain amino acid levels in the blood affect the production of neurotransmitters and lead to neurological disorders like phenylketonuria (PKU) and maple syrup urine disease (MSUD)?
answered
Feb 13
in
BioChemistry
0
votes
34
views
How can the production process of a pharmaceutical drug be optimized to reduce the cost of production without compromising the quality of the final product?
answered
Feb 10
in
Chemical engineering
0
votes
37
views
How can the conductivity of a polymer-based electronic material be increased without sacrificing its mechanical properties?
answered
Feb 6
in
Polymer Chemistry
0
votes
46
views
How can the addition of different types and amounts of salt affect the conductivity of polymer electrolytes used in batteries?
answered
Feb 6
in
Polymer Chemistry
0
votes
140
views
Determine the heat of hydration, in kJ/mol, for the reaction between solid Calcium chloride (CaCl2) and water (H2O), given that 1 mole of CaCl2 dissolves to produce 3 moles of ions and releases -82.8 kJ of heat in the process.
answered
Feb 4
in
ThermoChemistry
0
votes
73
views
Calculate the standard enthalpy change for the reaction: 2Fe(s) + 3/2O2(g) → Fe2O3(s), given that the standard enthalpy of formation for Fe2O3(s) is -824.2 kJ/mol, the standard enthalpy of formation for Fe(s) is 0 kJ/mol, and the standard enthalpy of formation for O2(g) is 0 kJ/mol.
answered
Feb 3
in
Chemical thermodynamics
0
votes
89
views
How does the deficiency in a specific amino acid affect the biosynthesis of neurotransmitters in the brain?
answered
Jan 30
in
BioChemistry
0
votes
67
views
Calculate the enthalpy change (ΔH) for the following reaction: 4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g)using the following bond enthalpies (in kJ/mol):NH3(g): N-H = 391, N ≡ N = 941O2(g): O=O = 498NO(g): N=O = 628H2O(g): O-H = 463
answered
Jan 23
in
Inorganic Chemistry
0
votes
92
views
According to the Social Cognitive Theory, what is self-efficacy?
answered
Jan 16
in
Psychology
0
votes
36
views
According to Pavlov, how does classical conditioning work?
answered
Jan 15
in
Psychology
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