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0
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30
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What is the relationship between the crystal structure and the electronic and optical properties of perovskite materials, and how can this be modeled using quantum chemistry calculations?
answered
Feb 24
in
Quantum Chemistry
0
votes
31
views
What is the relationship between the rate of a chemical reaction and the potential for a chemical reaction to become unstable or unsafe, and how can this knowledge be used to improve the safety of chemical reactions in an industrial setting?
answered
Feb 22
in
Chemical kinetics
0
votes
40
views
What is the balanced chemical equation for the preparation of 2,4-dichloronitrobenzene from nitrobenzene and chlorine gas?
answered
Feb 22
in
Chemical synthesis
0
votes
29
views
What is the mechanism of electron transfer in the redox reaction between iron and copper ions in aqueous solution and what is the rate constant for this process at room temperature?
answered
Feb 20
in
Quantum Chemistry
0
votes
28
views
How does the addition of carbon nanotubes affect the mechanical and thermal properties of polymer-based composites used in aerospace applications?
answered
Feb 17
in
Polymer Chemistry
0
votes
26
views
How does temperature affect the degradation of polyethylene and polypropylene? What are the mechanisms of degradation and how can they be mitigated to extend the stability of these polymers?
answered
Feb 17
in
Polymer Chemistry
0
votes
49
views
How can you optimize the chemical process for the production of a pharmaceutical drug to increase efficiency and reduce costs while maintaining high quality?
answered
Feb 14
in
Chemical engineering
0
votes
37
views
How does the process of nitrogen assimilation occur in plants and what role do enzymes play in this process?
answered
Feb 14
in
BioChemistry
0
votes
65
views
What is the role of metal ions in catalytic activity of metalloenzymes and metalloproteins, and how does coordination chemistry explain the specificity and selectivity of these enzymes?
answered
Feb 13
in
Coordination Chemistry
0
votes
37
views
How can we design a polymer-based optical material with high refractive index and high transparency for use in advanced optical applications?
answered
Feb 12
in
Polymer Chemistry
0
votes
70
views
What is the mechanism by which chlorofluorocarbons (CFCs) react with ozone in the stratosphere and what are the consequences of this reaction on the ozone layer?
answered
Feb 12
in
Environmental Chemistry
0
votes
45
views
How can the maximum yield of aspirin be achieved during the synthesis process using salicylic acid and acetic anhydride? What are the factors that affect the yield of the reaction?
answered
Feb 7
in
Chemical synthesis
0
votes
44
views
How can the efficiency of a new material for use in solar cells be optimized using synthetic and characterization techniques in materials chemistry?
answered
Feb 7
in
Materials Chemistry
0
votes
40
views
How can chemistry students organize fundraisers and outreach programs to increase awareness and generate sufficient funding for chemistry education in their local schools and communities?
answered
Feb 5
in
Chemical education
0
votes
77
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Calculate the standard enthalpy change for the phase transition reaction of solid calcium carbonate (CaCO3) to gaseous carbon dioxide (CO2) at 298 K, given the following formation enthalpies: ΔHf°(CaCO3) = -1206.9 kJ/mol ΔHf°(CO2) = -393.5 kJ/mol Also, assume that the specific heat capacity of CaCO3 is 0.82 J/g·K and that of CO2 is 0.85 J/g·K.
answered
Feb 3
in
Chemical thermodynamics
0
votes
82
views
How does changing the concentration of reactants affect the reaction rate and ultimately the profitability of a chemical reaction in the manufacturing of a particular product?
answered
Feb 3
in
Chemical kinetics
0
votes
101
views
What is the binding energy of a non-covalent interaction between a water molecule and a methane molecule, calculated through quantum chemical calculations?
answered
Jan 31
in
Computational Chemistry
0
votes
85
views
What are the thermal and mechanical properties of alumina ceramics and how do they affect their suitability for use as crucibles in high-temperature applications?
answered
Jan 31
in
Materials Chemistry
0
votes
92
views
How does intersectionality relate to social justice?
answered
Jan 20
in
Psychology
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votes
43
views
How can t-tests inform us about differences between two groups in psychology research?
answered
Jan 20
in
Psychology
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