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A small metal block is placed in a beaker containing boiling water. The block initially weighs 50 grams and its temperature is 25°C. After 5 minutes, its weight is 49 grams and its temperature is 80°C. Determine the entropy change of the metal block during this process assuming it to be irreversible.
answered
Jan 22
in
Physical Chemistry
0
votes
67
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According to social cognitive theory, how can vicarious reinforcement affect behaviour?
answered
Jan 20
in
Psychology
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votes
6
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What is the Perception-Action Cycle, and how is it relevant to AI design?
answered
Jan 15
in
Psychology
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votes
48
views
What is the impact of peer relationships on adolescent development?
answered
Jan 14
in
Psychology
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votes
28
views
How can cultural and contextual factors influence the expression and perception of mental disorders?
answered
Jan 13
in
Psychology
0
votes
22
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With codominance, both alleles are expressed equally in what?
answered
Jan 8
in
Science
0
votes
32
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Red blood cells don't have a nucleus. this allows them to do what?
answered
Dec 31, 2024
in
Science
0
votes
9
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Most, if not all, of the extant animal phyla today evolved during the cambrian period, yet many of what devastating events have taken place since then?
answered
Dec 31, 2024
in
Science
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