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User ZakOleary170
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0
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1
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What is the effect of pH on the stability of a colloidal solution and how can this be demonstrated experimentally?
asked
Feb 22
in
Surface Chemistry
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votes
1
answer
34
views
How does the particle size and shape of nanomaterials affect their catalytic activity in specific chemical reactions?
asked
Feb 22
in
Materials Chemistry
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1
answer
24
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What is the optimal temperature and reaction time for the preparation of benzocaine from p-aminobenzoic acid and ethanol in order to achieve the highest yield?
asked
Feb 22
in
Chemical synthesis
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1
answer
34
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How does the variation of reactant concentration affect the equilibrium constant of a chemical reaction?
asked
Feb 20
in
Chemical kinetics
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1
answer
33
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What is the effect of the concentration of a catalyst on the rate of a chemical reaction and how does this relationship compare to the effect of the concentration of a reactant on the reaction rate in the absence of a catalyst?
asked
Feb 18
in
Chemical kinetics
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1
answer
37
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What is the bond strength of the molecule H2O? Is it stronger or weaker than the bond strength of CO2? Justify your answer with the relevant theories and experimental data.
asked
Feb 18
in
Chemical bonding
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votes
1
answer
29
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What is the balanced equation for the single replacement reaction between magnesium (Mg) and hydrochloric acid (HCl), and what are the products of the reaction?
asked
Feb 17
in
Chemical reactions
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votes
1
answer
40
views
How do the chemicals and pollutants present in air, such as sulfur dioxide and nitrogen oxides, contribute to respiratory health problems in humans and what can be done to minimize their impact?
asked
Feb 14
in
Environmental Chemistry
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votes
1
answer
71
views
How can we improve the ionic conductivity of polymer electrolytes used in batteries to increase their efficiency and lifespan?
asked
Feb 13
in
Polymer Chemistry
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votes
1
answer
62
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What is the role of disulfide bonds in the tertiary structure of proteins and how do they affect protein function?
asked
Feb 12
in
BioChemistry
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votes
1
answer
114
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How can we make chemistry more engaging and interesting for students to help combat the lack of interest in the subject?
asked
Jan 30
in
Chemical education
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1
answer
70
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Calculate the bond dissociation energy of the H-H bond given the following information: The enthalpy change for the reaction 2H2(g) → 4H(g) is +436 kJ/mol, and the average bond dissociation energy for a H-H bond is 436 kJ/mol.
asked
Jan 23
in
ThermoChemistry
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1
answer
80
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What is the major product formed in the acid-catalyzed rearrangement reaction of 2-methyl-1,5-hexadiene?
asked
Jan 21
in
Organic Chemistry
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1
answer
71
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What are some implications of Vygotsky's sociocultural theory for teaching?
asked
Jan 20
in
Psychology
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1
answer
99
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Why is the cognitive remediation therapy approach promising?
asked
Jan 20
in
Psychology
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1
answer
49
views
Compare the biological and psychological approaches to the evaluation of psychopharmaceuticals.
asked
Jan 16
in
Psychology
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1
answer
37
views
What is covert observation?
asked
Jan 15
in
Psychology
0
votes
1
answer
75
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What is the main critique of the cognitive-behavioural theory?
asked
Jan 15
in
Psychology
0
votes
1
answer
79
views
According to the coefficient of determination (r-squared), what does it represent?
asked
Jan 15
in
Psychology
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1
answer
70
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Which rule is a result of trends in energies and is useful in explaining why atoms form the ions that they do?
asked
Jan 8
in
Science
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