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What is the rate of reaction for the decompositions of hydrogen peroxide in the presence of a catalyst, and how does the rate change when the concentration of hydrogen peroxide or the temperature is varied?
answered
Feb 22
in
Physical Chemistry
0
votes
32
views
How does the presence of a metal catalyst affect the activation energy of a catalytic reaction, and what is the relationship between the electronic properties of the metal and its catalytic activity as predicted by density functional theory calculations?
answered
Feb 22
in
Computational Chemistry
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33
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What is the coordination geometry of the metal ion in the active site of carbonic anhydrase enzyme and how does it affect the function of the enzyme?
answered
Feb 19
in
Coordination Chemistry
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38
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How can we optimize the production process for industrial gases like nitrogen and oxygen using a cryogenic distillation method to ensure high yield and purity levels suitable for industrial applications?
answered
Feb 14
in
Chemical engineering
0
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87
views
What is the role of lipids in the regulation of insulin secretion and how does this relate to the development of type 2 diabetes?
answered
Feb 13
in
BioChemistry
0
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79
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How does insulin regulate the breakdown of glucose in the liver during carbohydrate metabolism, and what role do the enzymes glucokinase and hexokinase play in this process?
answered
Feb 13
in
BioChemistry
0
votes
55
views
How can we design a system for the production of lubricants that meets industry demand for high quality lubricants while still being economically feasible and environmentally sustainable?
answered
Feb 12
in
Chemical engineering
0
votes
76
views
How can we explain the role of chemistry in everyday life to a non-science person? Provide three specific examples to illustrate your explanation.
answered
Feb 12
in
Chemical education
0
votes
14
views
How can the size, shape, and morphology of metal nanoparticles be controlled using chemical synthesis methods, and how do these factors affect their physical and chemical properties?
answered
Feb 10
in
Materials Chemistry
0
votes
64
views
How can the principles of photochemistry and photophysics be applied to develop more efficient solar cells?
answered
Feb 10
in
Quantum Chemistry
0
votes
35
views
Calculate the standard enthalpy change of the reaction of 2 moles of carbon monoxide and 1 mole of oxygen gas to form 2 moles of carbon dioxide gas, given that the enthalpy change for the decomposition of 2 moles of carbon dioxide to 2 moles of carbon monoxide and 1 mole of oxygen gas is -566 kJ/mol, and the enthalpy change for the combustion of 1 mole of carbon to form carbon dioxide gas is -394 kJ/mol. Use Hess's Law to solve the problem.
answered
Feb 3
in
Chemical reactions
0
votes
17
views
How can the presence of a specific compound in a given sample be identified using Raman spectroscopy and what are the necessary steps involved in sample preparation and analysis?
answered
Jan 29
in
Analytical Chemistry
0
votes
60
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Calculate the heat required to sublime 34.5 g of dry ice (solid CO2) at a constant temperature and pressure, given that the heat of sublimation of CO2 is 25.2 kJ/mol.
answered
Jan 23
in
ThermoChemistry
0
votes
67
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Calculate the enthalpy change of dissolution (in kJ/mol) for NaCl in water, given that 1.00 g of NaCl is dissolved in 50.0 mL of water at 25°C. The density of water is 0.997 g/mL and the specific heat capacity of the solution is assumed to be the same as that of water (4.184 J/gK). The molar mass of NaCl is 58.44 g/mol.
answered
Jan 23
in
ThermoChemistry
0
votes
86
views
Calculate the bond order of the nitrogen molecule (N2) using molecular orbital theory.
answered
Jan 23
in
Physical Chemistry
0
votes
93
views
What is the structural formula of the unknown organic compound based on the IR and NMR spectroscopic data?
answered
Jan 21
in
Organic Chemistry
0
votes
54
views
Who developed the concept of emotional intelligence?
answered
Jan 17
in
Psychology
0
votes
54
views
How can we determine the empirical adequacy of psychodynamic theories?
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Jan 16
in
Psychology
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votes
36
views
According to the interpersonal theory, what is the cause of depression?
answered
Jan 15
in
Psychology
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votes
75
views
What is the role of resilience in adolescent development?
answered
Jan 14
in
Psychology
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