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A student needs to determine the amount of copper present in a sample of brass using coulometry. If the sample is dissolved in acid and subjected to coulometric analysis using a standard silver electrode, what is the concentration of copper (in ppm) in the brass sample?
answered
Jan 22
in
Analytical Chemistry
0
votes
43
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Who is responsible for developing and implementing community psychology interventions?
answered
Jan 20
in
Psychology
0
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77
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Please compare the stages of cognitive development proposed by Piaget and Vygotsky.
answered
Jan 20
in
Psychology
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42
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When is the use of tricyclic antidepressants not recommended?
answered
Jan 16
in
Psychology
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votes
38
views
What is the main benefit of the social identity theory?
answered
Jan 16
in
Psychology
0
votes
59
views
What is the use of AI in clinical and counselling psychology?
answered
Jan 15
in
Psychology
0
votes
62
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What is dialectical behaviour therapy?
answered
Jan 14
in
Psychology
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votes
48
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What is the difference between a null and alternative hypothesis?
answered
Jan 13
in
Psychology
0
votes
18
views
What is obsessive-compulsive personality disorder?
answered
Jan 13
in
Psychology
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votes
46
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What type of animal that eats only or mainly insects?
answered
Jan 8
in
Science
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votes
45
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What makes soil and rock particles move gradually down the slope during each thaw?
answered
Jan 7
in
Science
0
votes
91
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What group of single-celled organisms lacking a nucleus comprises the most numerous organisms on earth?
answered
Jan 6
in
Science
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39
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Viroids are plant pathogens much simpler than what, but like them can reproduce only within a host cell?
answered
Jan 2
in
Science
0
votes
63
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The distance of stars is measured in what terms, meaning the light takes many thousands of years to reach us?
answered
Dec 31, 2024
in
Science
0
votes
102
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Most reptiles reproduce sexually and have what type of fertilization?
answered
Dec 31, 2024
in
Science
0
votes
40
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If two chlorine atoms share their unpaired electrons by making a covalent bond and forming cl2, they can each complete their what?
answered
Dec 30, 2024
in
Science
0
votes
96
views
Fertilized mollusk eggs develop into what?
answered
Dec 30, 2024
in
Science
0
votes
88
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Autoimmunity can develop with time, and its causes may be rooted in this?
answered
Dec 30, 2024
in
Science
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19
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In what unit is speed usually measured?
answered
Dec 27, 2024
in
Science
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