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User EmilyForro67
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0
votes
23
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What is the most efficient and cost-effective method for synthesizing single-walled carbon nanotubes with controlled diameters and chirality?
answered
4 days
ago
in
Materials Chemistry
0
votes
20
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What is the heat of sublimation of iodine, given that the molar heat of fusion is 15.52 kJ/mol and the molar heat of vaporization is 41.39 kJ/mol?
answered
5 days
ago
in
ThermoChemistry
0
votes
7
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What are the key structural features and functional groups required in designing drugs to effectively target and treat neurological disorders such as Alzheimer's and Parkinson's?
answered
Feb 12
in
Medicinal Chemistry
0
votes
33
views
How to design an efficient system for the production of lubricants by selecting the appropriate raw materials and process conditions for the desired lubricant properties?
answered
Feb 12
in
Chemical engineering
0
votes
9
views
How can we design a drug that targets only a specific type of cancer cell, without affecting the healthy cells in the body?
answered
Feb 12
in
Medicinal Chemistry
0
votes
45
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How do the coordination chemistry principles of chelation therapy affect the ability of the chelating agent to selectively bind with a target metal ion in the body and remove it effectively?
answered
Feb 12
in
Coordination Chemistry
0
votes
30
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How can the critical temperature of a superconducting material be optimized to increase its electrical conductivity and practical applications?
answered
Feb 6
in
Materials Chemistry
0
votes
48
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Here's a problem for you to solve:What is the enthalpy change (∆H) for the combustion of methane (CH4) to form carbon dioxide (CO2) and water (H2O) based on the following information?CH4(g) + 2O2(g) -> CO2(g) + 2H2O(l) ∆H = -890.4 kJ/molYou have a sample of methane and you want to determine the heat released or absorbed during combustion. How much heat is produced when you burn 5.00 grams of methane (CH4) at a constant pressure of 1 atm, assuming that the products are carbon dioxide (CO2) and water (H2O) and that the heat capacity of the calorimeter is negligible?
answered
Feb 4
in
Physical Chemistry
0
votes
40
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Here's a precise problem for a chemistry student to solve:A gas, initially at a pressure of 1 atm and a temperature of 20°C, is contained in a cylinder with a volume of 5 L. If the gas is allowed to expand to a volume of 10 L at a constant temperature of 20°C, what is the final pressure of the gas? Use the ideal gas law equation to solve the problem.
answered
Feb 4
in
Physical Chemistry
0
votes
60
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Calculate the heat of mixing when 100 mL of 0.1 M HCl is mixed with 200 mL of 0.2 M NaOH at 25°C. The specific heat of the solution is 4.18 J/g°C and the density of the solution is 1.00 g/mL. Assume that the heat capacity of the solution is equal to that of pure water.
answered
Jan 23
in
ThermoChemistry
0
votes
73
views
Where did Virginia Satir develop her family systems therapy approach?
answered
Jan 20
in
Psychology
0
votes
49
views
When was the study on exposure therapy for anxiety disorders by Wolpe conducted?
answered
Jan 20
in
Psychology
0
votes
32
views
Please evaluate the Milgram obedience study.
answered
Jan 20
in
Psychology
0
votes
12
views
How can statistical inference be used to draw conclusions in psychology research?
answered
Jan 20
in
Psychology
0
votes
54
views
When do cognitive abilities start to decline?
answered
Jan 17
in
Psychology
0
votes
49
views
How does attachment theory explain sexual behaviour?
answered
Jan 17
in
Psychology
0
votes
42
views
According to the critical incident stress debriefing CISD model, how does debriefing help people cope with traumatic events?
answered
Jan 17
in
Psychology
0
votes
62
views
Why is it important for theories in psychology to have cross-cultural validity?
answered
Jan 16
in
Psychology
0
votes
50
views
What is postmodernism?
answered
Jan 16
in
Psychology
0
votes
38
views
Who developed Rational Emotive Behaviour Therapy (REBT)?
answered
Jan 16
in
Psychology
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