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What is the role of the particle size and surface area in the catalytic activity of solid surfaces? Provide examples of industrial applications where the knowledge of surface chemistry is crucial for the development of efficient catalysts.
answered
1 day
ago
in
Surface Chemistry
0
votes
20
views
How does the intensity of light affect the rate of a reaction between hydrogen peroxide and iodide ions under different wavelengths of light?
answered
5 days
ago
in
Chemical kinetics
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votes
23
views
What is the effect of temperature on the rate of lactase enzyme catalyzed hydrolysis of lactose into glucose and galactose?
answered
5 days
ago
in
BioChemistry
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votes
20
views
How does the concentration of the reactants affect the rate of the chemical reaction and the overall yield of the product in the specific reaction between potassium iodide and hydrogen peroxide?
answered
6 days
ago
in
Chemical kinetics
0
votes
37
views
How does the carbon footprint of a typical individual in the United States compare to that of an individual in a developing country, and what are the environmental implications of these differences?
answered
Feb 18
in
Environmental Chemistry
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25
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What is the bond enthalpy of HCl molecule? Given that the bond energy of H-H is 436 kJ/mol, H-Cl is 431 kJ/mol and Cl-Cl is 242 kJ/mol.
answered
Feb 18
in
Chemical bonding
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votes
24
views
How does the application of a magnetic field influence the electronic properties of Weyl semimetals?
answered
Feb 17
in
Quantum Chemistry
0
votes
45
views
What is the magnetic susceptibility of a benzene molecule and how does it change upon the addition of a nickel atom to the molecule? Calculate the values using quantum chemistry calculations and explain the observed changes in magnetic properties.
answered
Feb 13
in
Quantum Chemistry
0
votes
33
views
How can we incorporate environmental chemistry concepts into traditional chemistry curriculums to increase awareness of the impact of chemistry on the environment?
answered
Feb 13
in
Chemical education
0
votes
8
views
How can the electronic and magnetic properties of topological materials be predicted using quantum chemistry methods?
answered
Feb 7
in
Quantum Chemistry
0
votes
72
views
How can the concentration of copper (II) sulfate in a given solution be quantified using spectrophotometry technique?
answered
Jan 29
in
Analytical Chemistry
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votes
62
views
Calculate the amount of energy in Joules required to melt 15 grams of ice at 0°C, given that the heat of fusion of water is 334 J/g.
answered
Jan 23
in
ThermoChemistry
0
votes
87
views
A sample of a white powder was analyzed in the laboratory and found to be composed of 40% carbon, 6.67% hydrogen, and 53.33% oxygen by mass. Determine the empirical formula of the compound.
answered
Jan 22
in
Inorganic Chemistry
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votes
47
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A chemistry student wants to measure the rate of a chemical reaction. The reaction involves the reaction between zinc and hydrochloric acid. The student weighed out 0.5 grams of zinc and mixed it with 50 mL of 0.5 M hydrochloric acid. The student measured the time it took for the reaction to complete and found it took 3 minutes to produce all the hydrogen gas. Calculate the rate of the reaction in grams of zinc per minute.
answered
Jan 22
in
Chemical reactions
0
votes
88
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What is the major product formed in the dehydration of 1-methylcyclohexanol with concentrated sulfuric acid as a catalyst?
answered
Jan 21
in
Organic Chemistry
0
votes
59
views
Please evaluate the self-serving bias.
answered
Jan 20
in
Psychology
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votes
33
views
How might social and emotional learning programs affect student outcomes?
answered
Jan 20
in
Psychology
0
votes
53
views
What are the implications of the self-determination theory for positive psychology?
answered
Jan 20
in
Psychology
0
votes
39
views
According to Eric Kandel's research on the neurobiology of memory, why do we form memories?
answered
Jan 20
in
Psychology
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votes
22
views
What is the main strength of the cognitive perspective?
answered
Jan 16
in
Psychology
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