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What is the relationship between the chemical composition of glasses and their refractive index, and how does it affect their suitability for use as lenses in optical applications?
asked
Feb 24
in
Materials Chemistry
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votes
1
answer
34
views
What are the optimal conditions (temperature, concentration of reagents, and reaction time) required to prepare p-nitroaniline from aniline and nitric acid, and what is the percentage yield of the reaction under these conditions?
asked
Feb 22
in
Chemical synthesis
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votes
1
answer
33
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What is the overall mechanism responsible for the transport of lipids in the bloodstream, and how does this mechanism allow for efficient lipid metabolism in the body?
asked
Feb 22
in
BioChemistry
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votes
1
answer
30
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What is the optimal conditions for the adsorption of methylene blue dye on activated carbon with a specific surface area of 1000 m2/g and how does the pH of the solution affect the adsorption efficiency?
asked
Feb 21
in
Surface Chemistry
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votes
1
answer
32
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What is the Lewis structure of the molecule carbon tetrachloride (CCl4)?
asked
Feb 20
in
Chemical bonding
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votes
1
answer
28
views
How does the intensity of light affect the rate of a chemical reaction between chlorine and iodine?
asked
Feb 20
in
Chemical kinetics
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votes
1
answer
39
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How does the disposal of industrial waste affect the pH level of the surrounding environment and what are the potential consequences for local ecosystems and human health?
asked
Feb 19
in
Environmental Chemistry
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votes
1
answer
62
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What specific reactants and products are formed in the synthesis reaction between magnesium and oxygen? Provide a balanced chemical equation to support your answer.
asked
Feb 13
in
Chemical reactions
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votes
1
answer
30
views
What specific amino acid residues in a DNA-binding protein interact with specific nucleotide bases in double-stranded DNA, and what types of interactions (e.g. hydrophobic, electrostatic) are involved in regulating transcriptional activity?
asked
Feb 13
in
BioChemistry
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votes
1
answer
43
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How can the mechanical and thermal properties of polymer-based composites be optimized for use in aerospace applications, and what are the most promising types of reinforcement materials and processing techniques for achieving these goals?
asked
Feb 7
in
Polymer Chemistry
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votes
1
answer
40
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Consider the reaction: 2NOBr(g) ⇌ 2NO(g) + Br2(g)The Kc value for this reaction at a certain temperature is 0.045. A catalyst is added to the reaction mixture that increases the rate of the forward and reverse reactions to the same extent. What effect will this catalyst have on the equilibrium position of the reaction mixture? Justify your answer using calculations.
asked
Jan 30
in
Chemical equilibrium
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votes
1
answer
44
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A student attempted to synthesize 20 grams of a compound, but only ended up with 15 grams of the compound after the reaction. Calculate the percentage yield of the reaction.
asked
Jan 22
in
Chemical reactions
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votes
1
answer
107
views
Balance the chemical equation for the reaction between nitrogen gas (N2) and hydrogen gas (H2) to produce ammonia gas (NH3) in its simplest form.
asked
Jan 21
in
Inorganic Chemistry
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1
answer
127
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What is the structure of a specific compound based on its IR and NMR spectra?
asked
Jan 21
in
Organic Chemistry
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1
answer
96
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Identify the product(s) of the following nucleophilic substitution reaction: Methyl bromide (CH3Br) reacts with sodium hydroxide (NaOH) in ethanol (CH3CH2OH).
asked
Jan 21
in
Organic Chemistry
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votes
1
answer
90
views
What is the spirit of motivational interviewing?
asked
Jan 20
in
Psychology
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votes
1
answer
97
views
According to the Schachter-Singer two-factor theory of emotion, why do we experience emotions based on our interpretation of physiological arousal?
asked
Jan 17
in
Psychology
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1
answer
46
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What is the difference between an experiment and a correlational study?
asked
Jan 17
in
Psychology
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votes
1
answer
88
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How can we determine the theoretical elegance of psychodynamic theories?
asked
Jan 16
in
Psychology
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votes
1
answer
17
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What is Gender Schema Theory?
asked
Jan 15
in
Psychology
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