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24
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How does the molecular structure and composition of polymers affect their mechanical properties and suitability for use in biomedical applications, such as artificial joints or drug delivery systems?
answered
5 days
ago
in
Materials Chemistry
0
votes
24
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What is the reason behind the difference in boiling points of molecules with similar molecular masses, such as methane and ammonia, and how does the strength of intermolecular forces (IMFs) impact this difference?
answered
6 days
ago
in
Chemical education
0
votes
26
views
How does the concentration of sulfur dioxide and nitrogen oxides in acid rain affect the pH level of freshwater bodies and what are the potential environmental impacts of this acidification?
answered
Feb 19
in
Environmental Chemistry
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votes
23
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What is the chemical reaction that occurs when sodium reacts with chlorine to form sodium chloride? Write the balanced equation and include the states of matter for each reactant and product.
answered
Feb 18
in
Chemical reactions
0
votes
36
views
How does the change in pH of a reaction affect the reaction rate of the decomposition of hydrogen peroxide catalyzed by an acid?
answered
Feb 18
in
Chemical kinetics
0
votes
26
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What is the bond order and bond length of the carbon monoxide molecule (CO)?
answered
Feb 18
in
Inorganic Chemistry
0
votes
29
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What is the bond dissociation energy of the carbon-hydrogen bond in methane (CH4), given that the enthalpy change for the reaction CH4(g) → C(g) + 4H(g) is +1665 kJ/mol?
answered
Feb 18
in
Chemical bonding
0
votes
30
views
How does Nitrogen and Phosphorus pollution affect the concentration of dissolved oxygen in water and what chemical processes contribute to this effect?
answered
Feb 14
in
Environmental Chemistry
0
votes
8
views
How can we design a drug to specifically target cancer cells that overexpress the HER2 receptor?
answered
Feb 12
in
Medicinal Chemistry
0
votes
11
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How can the synthesis of polypropylene from propylene monomer be optimized to increase the yield and ensure sustainability?
answered
Feb 11
in
Chemical synthesis
0
votes
55
views
How can the properties of graphene be modified to improve its suitability for electronic device applications, such as improving its conductivity or stability? Specifically, what chemical modifications, if any, can be made to the graphene structure to enhance its performance in electronic devices? How do these modifications affect the overall properties of graphene and its potential use in various electronic applications?
answered
Feb 10
in
Materials Chemistry
0
votes
34
views
How can computational tools be used in molecular docking studies to identify potential drug molecules that can target specific proteins involved in disease pathways?
answered
Feb 5
in
Computational Chemistry
0
votes
50
views
How can a chemist selectively protect an amine group in the presence of hydroxyl and carboxyl groups when synthesizing a complex organic molecule using protecting groups?
answered
Feb 4
in
Organic Chemistry
0
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54
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Calculate the partition function for a system of 10 molecules of a monoatomic gas confined to a 1-dimensional box of length 1 nm at a temperature of 300 K using the classical and quantum mechanical methods. Then, compare the results obtained and explain the discrepancies observed.
answered
Feb 3
in
Physical Chemistry
0
votes
78
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How can we design engaging and interactive chemistry lessons to increase student interest and participation in chemistry classes?
answered
Jan 30
in
Chemical education
0
votes
58
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A student needs to calculate the standard cell potential for the following reaction at 25°C:Zn (s) + Fe2+ (aq) → Zn2+ (aq) + Fe (s)Given:- Standard reduction potentials: Eº(Zn2+/Zn) = -0.76 V and Eº(Fe2+/Fe) = -0.44 V- Concentration of Fe2+ = 0.1 M and concentration of Zn2+ = 1.0 MWhat is the value of the standard cell potential for this reaction?
answered
Jan 22
in
Physical Chemistry
0
votes
50
views
Please evaluate the Hawthorne effect.
answered
Jan 20
in
Psychology
0
votes
31
views
How does the cognitive dissonance theory explain behaviour?
answered
Jan 20
in
Psychology
0
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48
views
What is the difference between CBT and rational emotive behaviour therapy REBT ?
answered
Jan 16
in
Psychology
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69
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What is the difference between a variable and a construct?
answered
Jan 16
in
Psychology
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