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User ArnulfoHelly
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0
votes
16
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What is the effect of changes in the concentration of the reactants on the rate of the reaction and the resulting profitability, using the example of the reaction between hydrochloric acid and magnesium?
answered
3 days
ago
in
Chemical kinetics
0
votes
17
views
What is the rate law expression for the reaction A + 2B → C, if the reaction is second order with respect to A and first order with respect to B? Also, write down the overall order of the reaction.
answered
3 days
ago
in
Physical Chemistry
0
votes
16
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How does the coordination geometry of metal ions affect the electronic and magnetic properties of metal-organic frameworks, and what is the relationship between the metal ion's oxidation state and these properties?
answered
6 days
ago
in
Quantum Chemistry
0
votes
40
views
What factors can be used to predict the color of inorganic compounds and how do these factors relate to the electronic structure of the compound?
answered
6 days
ago
in
Inorganic Chemistry
0
votes
37
views
What specific factors affect the photochemical properties of nanoparticles, and how can these properties be tuned for potential applications in fields such as nanomedicine and energy conversion?
answered
Feb 14
in
PhotoChemistry
0
votes
21
views
How does the process of protein degradation and turnover differ between normal cells and cancer cells, and how can this information be utilized in the development of targeted cancer therapies?
answered
Feb 14
in
BioChemistry
0
votes
47
views
How do G protein-coupled receptors (GPCRs) initiate signal transduction pathways in cells and how can their activity be modulated by different allosteric ligands?
answered
Feb 13
in
BioChemistry
0
votes
30
views
How can we design a storage and transportation system for hazardous chemicals that minimizes the risk of leaks, spills, or accidents while also ensuring efficient and cost-effective handling?
answered
Feb 12
in
Chemical engineering
0
votes
36
views
How can the mechanical properties of 3D printed polymer-based materials be improved to meet or exceed those of conventionally manufactured parts, without compromising printability or processing efficiency?
answered
Feb 10
in
Polymer Chemistry
0
votes
14
views
How can the mechanical and thermal properties of polymer-based composites be optimized for aerospace applications?
answered
Feb 7
in
Polymer Chemistry
0
votes
93
views
What are the three components that make up a nucleotide? How does the structure of a nucleotide relate to its function in the formation of nucleic acids such as DNA and RNA?
answered
Jan 30
in
BioChemistry
0
votes
31
views
A student synthesized a new compound by reacting magnesium with oxygen. The mass of magnesium used in the reaction was 0.25 grams and the mass of the resulting compound was 0.73 grams. Determine the empirical formula of the compound.
answered
Jan 22
in
Inorganic Chemistry
0
votes
67
views
A student needs to calculate the efficiency of an electrochemical cell that has a potential difference of 1.5 volts and a current of 0.5 amperes passing through it, with the help of Faraday's Law. If the electrode reaction produces chlorine gas with a Faraday efficiency of 79%, and the overall voltage efficiency of the cell is 85%, what is the efficiency of the electrochemical cell?
answered
Jan 22
in
ElectroChemistry
0
votes
92
views
A student conducted an experiment to produce copper sulfate using a known amount of copper oxide and sulfuric acid. The expected yield was 30 grams of copper sulfate, but the student obtained only 25 grams. What is the percent yield of the reaction?
answered
Jan 22
in
Chemical reactions
0
votes
81
views
A chemistry student wants to determine the surface area of a porous material using gas adsorption. The student has access to a BET specific surface area analyzer and pure nitrogen gas. What is the surface area of the porous material if the adsorption isotherm shows a monolayer formation at the partial pressure of nitrogen adsorption around 0.1?
answered
Jan 22
in
Surface Chemistry
0
votes
64
views
Who proposed the appraisal theory?
answered
Jan 20
in
Psychology
0
votes
61
views
Please evaluate the role of a research ethics committee.
answered
Jan 20
in
Psychology
0
votes
25
views
According to social learning theory, when do individuals learn through observation?
answered
Jan 17
in
Psychology
0
votes
40
views
What is adaptation according to the sensory adaptation theory?
answered
Jan 17
in
Psychology
0
votes
30
views
What is the biological approach to understanding mental illness?
answered
Jan 15
in
Psychology
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