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Consider a container separated into two compartments by a barrier. One compartment has a gas at a pressure of 1 atm and the other compartment is empty. The barrier has a small hole in it, which allows the gas to diffuse from one compartment to another. If the rate of diffusion of the gas is 0.2 mL/min and the molar mass of the gas is 28g/mol, what is the mass of gas transferred through the hole in 5 hours?
asked
2 days
ago
in
Physical Chemistry
1
answer
50
views
How does the existing drug 'Aspirin' work to decrease pain and reduce inflammation in the body, and what chemical reactions are involved in its mechanism of actions?
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5 days
ago
in
Medicinal Chemistry
1
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43
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How can the concentration of heavy metals (such as lead, mercury, arsenic) in a water sample be accurately quantified using atomic absorption spectroscopy, and how can this data be used to determine if the sample is safe for consumption according to regulatory guidelines?
answered
Jan 29
in
Analytical Chemistry
1
answer
28
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How can electrophoretic analysis be used to determine the molecular weight and purity of a protein sample in a given solution?
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Jan 29
in
Analytical Chemistry
1
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28
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What are the implications of Vygotsky's theory for education?
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Jan 20
in
Psychology
1
answer
18
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What is criterion validity in evaluating personality disorder theories?
answered
Jan 16
in
Psychology
1
answer
22
views
What is the Social Learning Theory of Leadership?
answered
Jan 16
in
Psychology
1
answer
27
views
According to Piaget's Theory of Cognitive Development, why may children be more accepting of AI as being intelligent?
asked
Jan 15
in
Psychology
1
answer
50
views
What are some key factors that influence group dynamics?
answered
Jan 14
in
Psychology
1
answer
22
views
What is sleep efficiency?
answered
Jan 14
in
Psychology
1
answer
29
views
Does positive reappraisal always lead to better outcomes?
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Jan 14
in
Psychology
1
answer
22
views
What is used to darken images of the sky?
answered
Jan 7
in
Science
1
answer
19
views
What is the organic material that comes from plants and animals that were recently living called?
asked
Jan 7
in
Science
1
answer
21
views
What determines which codon in the mrna the trna will bind to?
asked
Jan 6
in
Science
1
answer
17
views
The vas deferens and ejaculatory ducts are part of what system?
asked
Jan 2
in
Science
1
answer
22
views
In which area does conduction mainly happen?
asked
Dec 31, 2024
in
Science
1
answer
26
views
In machines that increase force, such as ramps and doorknobs and nutcrackers, what is the relation between output and input force?
asked
Dec 31, 2024
in
Science
1
answer
37
views
Bivalvia and gastropoda are classes of what phylum?
answered
Dec 30, 2024
in
Science
1
answer
41
views
What explains why two different species cannot occupy the same niche in the same place for very long?
asked
Dec 28, 2024
in
Science
1
answer
30
views
Ancient greeks mistook what simple sedentary animals for plants?
answered
Dec 27, 2024
in
Science
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