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34
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How does the photochemical behavior differ between natural and synthetic dyes in terms of their ability to withstand UV radiation?
answered
Feb 22
in
PhotoChemistry
0
votes
24
views
What is the most effective type of dispersant to use in oil spill remediation, and how does it impact the biodegradability of the oil?
answered
Feb 21
in
Environmental Chemistry
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votes
34
views
What is the effect of different solvents with varying polarities on the rate of the photochemical reaction, and how does it correlate with the rate of energy transfer from the excited state of the photoactive molecule to the solvent molecules?
answered
Feb 19
in
PhotoChemistry
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28
views
How does the adsorption of proteins on solid surfaces differ under varying pH conditions?
answered
Feb 17
in
Surface Chemistry
0
votes
57
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What type of bonding is present in a sample of magnesium oxide (MgO)? Is it ionic, covalent, or metallic? Justify your answer with evidence and explain the characteristics of this type of bonding that are exhibited in this compound.
answered
Feb 13
in
Chemical bonding
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votes
103
views
How does an increase in temperature affect the equilibrium position of a reaction and the concentrations of the reactants and products?
answered
Jan 31
in
Chemical equilibrium
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80
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A student wants to determine the power output of a galvanic cell containing a zinc electrode and a copper electrode. The zinc electrode has a surface area of 20 cm² and is coated with a layer of zinc which weighs 0.5 grams. The copper electrode has a surface area of 15 cm² and is coated with a layer of copper that weighs 0.4 grams. The cell operates at standard conditions (25°C and 1 atm), and the electrolyte is a solution of 1 M copper sulfate and 1 M zinc sulfate. Calculate the power output of the electrochemical cell.
answered
Jan 22
in
ElectroChemistry
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108
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Identify the product formed when 3-methylbutan-2-ol is reacted with PCl5 in the presence of anhydrous AlCl3. Write the balanced equation for the reaction and also name the type of reaction.
answered
Jan 21
in
Organic Chemistry
0
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47
views
According to ecological systems theory, what is the microsystem?
answered
Jan 20
in
Psychology
0
votes
56
views
According to the humanistic-existential theory, how can a person discover their authentic self?
answered
Jan 20
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Psychology
0
votes
42
views
Where was the first study on emotion-focused therapy EFT conducted?
answered
Jan 20
in
Psychology
0
votes
102
views
Why is effect size important?
answered
Jan 17
in
Psychology
0
votes
55
views
What is the main advantage of the cognitive load theory?
answered
Jan 16
in
Psychology
0
votes
60
views
When evaluating Vygotsky's sociocultural theory, what is a major strength of this perspective?
answered
Jan 16
in
Psychology
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votes
35
views
What is a focus group in qualitative research?
answered
Jan 16
in
Psychology
0
votes
56
views
According to the broaden-and-build theory, what are the benefits of positive emotions?
answered
Jan 16
in
Psychology
0
votes
49
views
What is cognition?
answered
Jan 14
in
Psychology
0
votes
106
views
What are some criticisms of the Big Five personality model?
answered
Jan 13
in
Psychology
0
votes
30
views
What consists of the different species within an area?
answered
Jan 6
in
Science
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