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1
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19
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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
1 day
ago
in
Materials Chemistry
0
votes
1
answer
24
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What is the predicted color of a compound with the chemical formula CuSO4?
asked
3 days
ago
in
Inorganic Chemistry
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votes
1
answer
20
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What is the molecular geometry of the molecule CH3Cl (chloromethane)?
asked
4 days
ago
in
Chemical bonding
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votes
1
answer
19
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Identify the type of inorganic compound formed between calcium and chlorine.
asked
5 days
ago
in
Inorganic Chemistry
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votes
1
answer
20
views
What is the balanced chemical equation for the reaction between hydrochloric acid and calcium carbonate that produces carbon dioxide gas?
asked
Feb 17
in
Chemical reactions
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votes
1
answer
23
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How does the addition of nanoparticles (such as nanoclay or carbon nanotubes) affect the mechanical properties of a polymer nanocomposite?
asked
Feb 17
in
Polymer Chemistry
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votes
1
answer
4
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What is the role of phospholipase C (PLC) in hormone-mediated signaling pathways and how does it relate to the activation of intracellular calcium signaling?
asked
Feb 14
in
BioChemistry
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votes
1
answer
28
views
How can the synthesis of single-walled carbon nanotubes be optimized using a particular method, such as chemical vapor deposition, to achieve precise control over their size, structure, and purity?
asked
Feb 14
in
Materials Chemistry
0
votes
1
answer
26
views
What is the molecular vibrational frequency and infrared spectrum of methane (CH4) at a temperature of 298 K using the harmonic oscillator approximation?
asked
Feb 13
in
Quantum Chemistry
0
votes
1
answer
26
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How can the environmental impact of polymer-based packaging materials be reduced using sustainable and biodegradable alternatives?
asked
Feb 7
in
Polymer Chemistry
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votes
1
answer
23
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How can the environmental impact of industrial waste disposal be minimized through the application of chemistry principles and technology?
asked
Feb 7
in
Environmental Chemistry
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votes
1
answer
74
views
What is the effect of catalysts on the rate of a chemical reaction in terms of activation energy? And, using the Arrhenius equation, calculate the activation energy for the catalyzed and non-catalyzed reactions and compare the two values.
asked
Jan 31
in
Physical Chemistry
0
votes
1
answer
77
views
A student needs to determine the standard electrode potential for the following reaction: Fe3+ + e- → Fe2+ Using the standard electrode potentials of Fe3+/Fe2+ and Ag+/Ag, calculate the standard cell potential for the following reaction: 2Ag+ (aq) + Fe(s) → 2Ag(s) + Fe2+ (aq) Determine if this reaction is spontaneous or nonspontaneous under standard conditions.
asked
Jan 22
in
ElectroChemistry
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votes
1
answer
37
views
What is construct validity in relation to theories?
asked
Jan 20
in
Psychology
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votes
1
answer
22
views
What is the main strength of the cognitive perspective?
asked
Jan 16
in
Psychology
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votes
1
answer
37
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What is the main criticism of the dual processing theory?
asked
Jan 16
in
Psychology
0
votes
1
answer
52
views
What is Bandura's social-cognitive theory?
asked
Jan 15
in
Psychology
0
votes
1
answer
34
views
What is positive education?
asked
Jan 15
in
Psychology
0
votes
1
answer
37
views
What is falsificationism?
asked
Jan 15
in
Psychology
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votes
1
answer
58
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How does stimulus-response theory explain behaviour?
asked
Jan 15
in
Psychology
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