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What is the effect of pH on the rate of the reaction between hydrochloric acid (HCl) and sodium thiosulphate (Na2S2O3) in terms of reaction rate and reaction mechanism?
asked
Feb 22
in
Chemical kinetics
0
votes
1
answer
21
views
How does the rate of the chemical reaction between hydrogen and oxygen change as the pressure is increased from 1 atm to 5 atm at a constant temperature of 25°C?
asked
Feb 22
in
Chemical kinetics
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votes
1
answer
23
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What is the predicted bond angle for a water molecule (H2O)? Provide a detailed explanation of the factors that determine the bond angle and how they contribute to the specific angle observed in water.
asked
Feb 22
in
Chemical bonding
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votes
1
answer
28
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What is the effect of changing the size and charge of the metal doping atoms on the reactivity and stability of Pt-doped graphene in the oxygen reduction reaction using density functional theory calculations?
asked
Feb 19
in
Computational Chemistry
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votes
1
answer
35
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What is the carbon footprint of a typical household and how can it be reduced through the adoption of environmentally-friendly practices?
asked
Feb 18
in
Environmental Chemistry
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votes
1
answer
42
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How does the acidity level of acid mine drainage affect the solubility and toxicity of heavy metals present in contaminated water sources, and what are the best treatment methods to mitigate their impact on the environment?
asked
Feb 17
in
Environmental Chemistry
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votes
1
answer
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?
asked
Feb 13
in
BioChemistry
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votes
1
answer
75
views
What is the effect of doubling the concentration of reactant A on the initial rate of a second-order reaction having a rate constant of 0.002 M^-1s^-1 at a fixed concentration of reactant B?
asked
Feb 13
in
Chemical kinetics
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votes
1
answer
71
views
How can the production process of lubricants be optimized in order to reduce the overall cost and increase the efficiency of the system, while maintaining the desired quality and performance of the product?
asked
Feb 10
in
Chemical engineering
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votes
1
answer
33
views
How can the conservation of energy be maximized in the production of lubricants through the designing of a system that minimizes heat loss during the process?
asked
Feb 6
in
Chemical engineering
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votes
1
answer
37
views
How can knowledge of pharmacogenetics be used to optimize drug therapy for individual patients in the treatment of cancer? Specifically, investigate the pharmacogenetics of common chemotherapy drugs and the genetic variations that can affect drug response and toxicity in cancer patients.
asked
Feb 6
in
Medicinal Chemistry
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votes
1
answer
43
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How can first principles calculations be used to predict the electronic and magnetic properties of topological materials and provide insights into their potential applications in spintronics and quantum computing?
asked
Feb 5
in
Quantum Chemistry
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votes
1
answer
37
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How can chemistry concepts such as the properties of solutions be applied in the creation of more effective and environmentally friendly cleaning products for use in households?
asked
Feb 4
in
Chemical education
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votes
1
answer
76
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Determine the geometry and polarity of the ammonium ion (NH4+).
asked
Feb 4
in
Inorganic Chemistry
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votes
1
answer
76
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Calculate the heat of formation (ΔHf) of methane (CH4) given the following bond energies: C-C = 347 kJ/mol, C-H = 413 kJ/mol.
asked
Jan 23
in
Chemical bonding
0
votes
1
answer
40
views
According to Pavlov's classical conditioning, what is the unconditioned stimulus?
asked
Jan 20
in
Psychology
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votes
1
answer
82
views
What is the role of the prefrontal cortex in decision-making according to the somatic marker theory?
asked
Jan 20
in
Psychology
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1
answer
71
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What were the key findings of the Strange Situation experiment?
asked
Jan 20
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Psychology
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votes
1
answer
38
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How does the concept of flow contribute to positive psychology outcomes?
asked
Jan 20
in
Psychology
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votes
1
answer
42
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What is the difference between positive and negative reinforcement in addiction?
asked
Jan 20
in
Psychology
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