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0
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23
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What is the effect of the initial concentration of reactants on the reaction rate and yield in the reaction between hydrochloric acid and sodium thiosulfate?
answered
3 days
ago
in
Chemical kinetics
0
votes
19
views
How does the introduction of heavy lanthanide ions affect the quantum efficiency of photochemical processes in coordination compounds?
answered
4 days
ago
in
PhotoChemistry
0
votes
23
views
What is the amount of energy required to break the single C-H bond in the methane (CH4) molecule? Provide the answer in units of kilojoules per mole (kJ/mol).
answered
5 days
ago
in
Chemical reactions
0
votes
20
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How does the coordination chemistry of metalloproteins affect their enzymatic activity in the presence of metal ions like heme, iron-sulfur clusters, and copper ions, and how do these metal ions assist in catalytic reactions in metalloproteins?
answered
6 days
ago
in
Coordination Chemistry
0
votes
27
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How does the acidity of zeolites affect their catalytic properties for cracking hydrocarbons? Use computational methods to determine the optimal acidity conditions for maximum hydrocarbon conversion in zeolite catalysts.
answered
Feb 17
in
Computational Chemistry
0
votes
23
views
What is the effect of surface coverage on the electronic properties of a metal surface, as predicted by density functional theory calculations?
answered
Feb 17
in
Computational Chemistry
0
votes
33
views
How can we safely dispose of highly radioactive waste materials generated from nuclear power plants to minimize long-term ecological impacts on the environment?
answered
Feb 14
in
Environmental Chemistry
0
votes
35
views
How can we optimize the photoluminescence quantum yield of a phosphorescent material using photochemical methods?
answered
Feb 14
in
PhotoChemistry
0
votes
4
views
How can we design drugs with high specificity towards a specific type of bacteria, while minimizing any potential harmful effects on the human body?
answered
Feb 12
in
Medicinal Chemistry
0
votes
31
views
How can the surface adhesion properties of a polymer be improved for use in medical implants and devices?
answered
Feb 11
in
Polymer Chemistry
0
votes
39
views
How can the process of ethylene polymerization be optimized to produce high molecular weight and high-density polyethylene while maintaining control over the reaction and reducing unwanted side reactions?
answered
Feb 10
in
Chemical synthesis
0
votes
40
views
Calculate the standard enthalpy change for the neutralization reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH), given the balanced chemical equation: HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l). The enthalpies of formation for NaCl(aq) and H2O(l) are -407.3 kJ/mol and -285.8 kJ/mol, respectively. The specific heat capacity of the solution is 4.18 J/(g*K), and the mass of the resulting solution is 100 g.
answered
Feb 3
in
Chemical thermodynamics
0
votes
82
views
What are the chemical reactions that occur when acid rain interacts with soil minerals, and how do these reactions affect the availability of nutrients for plants?
answered
Jan 30
in
Environmental Chemistry
0
votes
53
views
Calculate the enthalpy change for the adsorption of 2.50 moles of methane gas on a zeolite catalyst supported by alumina, given that the temperature of the system decreases from 298 K to 288 K and the pressure is decreased from 100 atm to 75 atm. The initial and final volumes of the gas are 10.0 L and 8.00 L respectively, and the heat capacity of the system is 25 J/K.
answered
Jan 23
in
ThermoChemistry
0
votes
38
views
According to the information processing model, why is attention important?
answered
Jan 17
in
Psychology
0
votes
67
views
Who proposed the tension between artistic freedom and cultural sensitivity?
answered
Jan 16
in
Psychology
0
votes
28
views
When was the evolutionary theory first proposed?
answered
Jan 16
in
Psychology
0
votes
43
views
When was the 'Contact Hypothesis' introduced?
answered
Jan 16
in
Psychology
0
votes
57
views
According to Stanley Milgram's obedience to authority experiment, why do people obey authority figures?
answered
Jan 15
in
Psychology
0
votes
31
views
Where did Social Identity Theory originate?
answered
Jan 15
in
Psychology
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