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What is the effect of increasing pressure on the rate of the reaction between hydrogen gas and iodine gas to form hydrogen iodide gas?
asked
Feb 22
in
Chemical kinetics
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votes
1
answer
35
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What is the balanced chemical equation for the synthesis reaction of calcium nitrate and ammonium sulfate?
asked
Feb 22
in
Chemical reactions
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1
answer
30
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How does the presence of cholesterol molecules affect the surface tension of a biomembrane?
asked
Feb 22
in
Surface Chemistry
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1
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26
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What is the mechanism for the electrophilic addition of hydrogen bromide to propene? Include the step-by-step process and the stereochemistry of the product.
asked
Feb 20
in
Organic Chemistry
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1
answer
24
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How do the electronic and magnetic properties of transition metal complexes vary with changes in their ligand environments and oxidation states?
asked
Feb 20
in
Quantum Chemistry
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1
answer
32
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What is the effect of changing the size of nano-particles on their catalytic activity in the oxidation reaction of benzene to phenol?
asked
Feb 19
in
Materials Chemistry
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1
answer
28
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How can we use quantum chemistry calculations to predict the electronic and magnetic properties of topological materials, and how can we explain the observed behaviors of these materials based on their electronic and magnetic properties?
asked
Feb 14
in
Quantum Chemistry
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votes
1
answer
54
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How does heavy metal contamination in soil affect the growth and quality of crops, and what are the best strategies for remediation of this type of soil pollution?
asked
Feb 13
in
Environmental Chemistry
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1
answer
42
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What is the impact of Chlorofluorocarbons (CFCs) on the ozone layer in different environmental conditions and how does this vary based on factors such as temperature and UV radiation levels?
asked
Feb 12
in
Environmental Chemistry
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votes
1
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36
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How can chemical modifications of nonsteroidal anti-inflammatory drugs (NSAIDs) improve their efficacy and reduce their adverse effects in the treatment of inflammatory diseases?
asked
Feb 4
in
Medicinal Chemistry
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1
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106
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What is the concentration of a copper sulfate solution if 40.0 mL of the solution requires 1350 coulombs of charge to fully oxidize all the copper ions present, using a coulometric titration method? The solution was prepared by dissolving a sample of copper sulfate pentahydrate in water and diluting it to a final volume of 500 mL. Given the molar mass of copper sulfate pentahydrate and the total charge required to oxidize one mole of copper ions.
asked
Jan 30
in
Analytical Chemistry
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1
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60
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Calculate the enthalpy of desorption of hydrogen gas (H2) from a platinum surface, given that the temperature of the surface is 298 K and the pressure of H2 gas above the surface is 1 atm. The adsorption enthalpy of H2 on Pt is -43300 J/mol. (Assume ideal gas behavior for H2.)
asked
Jan 23
in
ThermoChemistry
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1
answer
114
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How does the CYP3A4 enzyme affect the metabolism and potential interactions of commonly prescribed drugs in the treatment of cardiovascular disease?
asked
Jan 22
in
Medicinal Chemistry
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1
answer
44
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According to social cognitive theory, how does self-regulation influence behaviour?
asked
Jan 20
in
Psychology
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1
answer
126
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What is the main criticism of the constructive memory theory?
asked
Jan 16
in
Psychology
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1
answer
136
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What is a core principle of the Behavioural approach?
asked
Jan 15
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Psychology
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1
answer
36
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What is the role of confirmation bias in research design?
asked
Jan 15
in
Psychology
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1
answer
39
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What is the definition of stress?
asked
Jan 14
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Psychology
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1
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80
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What are the challenges of implementing community psychology?
asked
Jan 13
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Psychology
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1
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90
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What is the term for evolution over geologic time above the level of the species?
asked
Jan 7
in
Science
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