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59
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How does the rate of a photochemical reaction change as the intensity of light is increased?
answered
Feb 22
in
PhotoChemistry
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28
views
How does the electronic structure of transition metal complexes affect their absorption and emission properties in photochemistry?
answered
Feb 20
in
PhotoChemistry
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37
views
How does the application of surface chemistry principles impact the quality and shelf-life of packaged food and beverages?
answered
Feb 17
in
Surface Chemistry
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41
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What is the impact of supramolecular assemblies on the photochemical properties of organic molecules?
answered
Feb 14
in
PhotoChemistry
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61
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What is the number of electrons that are transferred in the following reaction: MnO<sub>4</sub><sup>-</sup> + 8H<sup>+</sup> + 5e<sup>-</sup> → Mn<sup>2+</sup> + 4H<sub>2</sub>O
answered
Feb 13
in
ElectroChemistry
0
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117
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How does the coordination chemistry of metalloproteins and metalloenzymes affect their biological function? Provide at least 3 examples with detailed explanations and relevant chemical structures.
answered
Feb 12
in
Coordination Chemistry
0
votes
59
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How can the stability of a polymer be improved and its degradation reduced under different environmental conditions, such as exposure to heat or sunlight?
answered
Feb 10
in
Polymer Chemistry
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37
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How can the chemical engineers develop a cost-effective and efficient process for the production of food additives, while ensuring the purity and safety of the additives for consumption?
answered
Feb 6
in
Chemical engineering
0
votes
44
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How can the chemical composition and molecular structure of liquid crystals be manipulated to improve their optical and electro-optical properties for use in display technology?
answered
Feb 6
in
Materials Chemistry
0
votes
37
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How can complex chemical concepts be simplified and better understood for students struggling to grasp them?
answered
Feb 5
in
Chemical education
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54
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Determine the equilibrium constant (Kc) for the reaction 2NO(g) + O2(g) ⇌ 2NO2(g) if the initial concentration of NO is 0.15 M, O2 is 0.10 M and NO2 is 0.30 M at equilibrium.
answered
Feb 4
in
Chemical reactions
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89
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What is the percentage composition of a mixture of benzene and toluene using gas chromatography?
answered
Jan 31
in
Analytical Chemistry
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68
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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
answered
Jan 23
in
ElectroChemistry
0
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96
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Calculate the enthalpy of polymerization of styrene given that the enthalpy change for the addition of one mole of styrene is -32 kJ/mol and the polymerization involves the addition of 50 monomer units. Assume that all the enthalpy change is due to polymerization and the reaction is exothermic.
answered
Jan 23
in
ThermoChemistry
0
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85
views
When was the biopsychosocial model of health developed?
answered
Jan 20
in
Psychology
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votes
40
views
What is the concept of obedience?
answered
Jan 20
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Psychology
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45
views
What is the connectionist theory of language processing?
answered
Jan 17
in
Psychology
0
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107
views
What is the difference between major depressive disorder and situational depression?
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Jan 14
in
Psychology
0
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78
views
What are the primary goals of CBT for OCD?
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Jan 13
in
Psychology
0
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81
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What term did schrödinger use for regions around the nucleus where electrons are most likely to be?
answered
Jan 7
in
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