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votes
1
answer
23
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How does the size or shape of gold nanoparticles affect their catalytic activity in the oxidation of carbon monoxide?
asked
1 day
ago
in
Materials Chemistry
0
votes
1
answer
19
views
What is the mechanism of electrophilic addition reaction of HBr with propene?
asked
5 days
ago
in
Organic Chemistry
0
votes
1
answer
35
views
What is the effect of solvent polarity on the excited state dynamics of a given molecule, as predicted through ab initio calculations?
asked
5 days
ago
in
Computational Chemistry
0
votes
1
answer
33
views
How does the concentration of a reactant affect the reaction rate and subsequently the safety of the reaction?
asked
6 days
ago
in
Chemical kinetics
0
votes
1
answer
31
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How does the chemical structure of a drug affect its mechanism of action in the body, and what factors can influence the pharmacokinetics and pharmacodynamics of the drug?
asked
Feb 18
in
Medicinal Chemistry
0
votes
1
answer
35
views
How does temperature and pressure affect the phase transitions of methane-water mixtures simulated with Monte Carlo methods?
asked
Feb 17
in
Computational Chemistry
0
votes
1
answer
22
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What type of hybrid orbitals are present in the molecule of methane (CH4)?
asked
Feb 13
in
Chemical bonding
0
votes
1
answer
8
views
What are the key steps involved in developing a process for the production of high purity oxygen gas from air for industrial applications, and what factors should be considered during the design of this process?
asked
Feb 12
in
Chemical engineering
0
votes
1
answer
9
views
How can we design drugs that selectively target cancer cells, while sparing normal healthy cells, based on the unique properties of cancer cells such as altered gene expression, abnormal protein activity, and specific signaling pathways?
asked
Feb 12
in
Medicinal Chemistry
0
votes
1
answer
34
views
How can the optical properties of a specific polymer be tailored to suit a particular application? How can the chemical structure of the polymer be modified to enhance its optical properties?
asked
Feb 10
in
Polymer Chemistry
0
votes
1
answer
58
views
Determine the equilibrium constant for the following redox reaction taking place at 25°C: Fe2+(aq) + H2O2(aq) + 2H+(aq) → Fe3+(aq) + 2H2O(l) Given the standard reduction potentials below: Fe3+/Fe2+ = +0.771 V H2O2(aq)/H2O(l) = +1.78 V
asked
Feb 4
in
Chemical equilibrium
0
votes
1
answer
27
views
Calculate the standard enthalpy of formation for carbon dioxide (CO2) given the following information: ΔHf° of CO = -26.4 kJ/mol, ΔHf° of O2 = 0 kJ/mol, and ΔH°rxn for the combustion of carbon to form CO2 is -393.5 kJ/mol.
asked
Feb 3
in
Chemical thermodynamics
0
votes
1
answer
55
views
Calculate the standard enthalpy change for the reaction that occurs when 4.50 grams of magnesium oxide reacts with excess hydrochloric acid, given the following information:2HCl(aq) + MgO(s) → MgCl2(aq) + H2O(l) ΔH = -120.3 kJ/molMolar mass of MgO = 40.31 g/molRound your answer to two decimal places.
asked
Feb 3
in
Chemical thermodynamics
0
votes
1
answer
43
views
Calculate the standard electrode potential for the redox reaction between copper and silver ions, given the following half-equations:Cu2+(aq) + 2e- → Cu(s) E° = +0.34 VAg+(aq) + e- → Ag(s) E° = +0.80 V
asked
Feb 3
in
Chemical thermodynamics
0
votes
1
answer
92
views
How can a chemistry student overcome the obstacle of limited availability of chemistry-related internships and job opportunities during their undergraduate studies to gain real-world experience?
asked
Jan 30
in
Chemical education
0
votes
1
answer
49
views
Calculate the corrosion rate of an iron rod with a surface area of 20 cm² that is connected to a copper plate with a surface area of 25 cm², immersed in a solution of 0.5 M copper sulfate, given that the measured current is 0.2 A.
asked
Jan 23
in
ElectroChemistry
0
votes
1
answer
65
views
Who is more likely to be a victim of discrimination?
asked
Jan 20
in
Psychology
0
votes
1
answer
11
views
How can we determine the theoretical and practical significance of psychodynamic theories?
asked
Jan 16
in
Psychology
0
votes
1
answer
10
views
According to the behavioural theory of anxiety, why do people develop anxiety disorders?
asked
Jan 15
in
Psychology
0
votes
1
answer
71
views
According to Bandura, what is self-efficacy?
asked
Jan 15
in
Psychology
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