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At a particular temperature and pressure, a mixture of water and ethanol has a vapor pressure of 45 torr. What is the mole fraction of ethanol in the mixture if its total pressure is 760 torr?
answered
Jan 22
in
Physical Chemistry
0
votes
95
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A chemistry laboratory is provided with a 10 mL solution containing a mixture of sodium chloride and potassium chloride. After adding an excess of silver nitrate, it has been observed that 0.476 grams of AgCl precipitate out. Determine the mass of each component (NaCl and KCl) in the original solution using mass balance calculations.
answered
Jan 22
in
Analytical Chemistry
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votes
31
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Where was Tajfel's social identity theory developed?
answered
Jan 20
in
Psychology
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votes
66
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Why do some researchers suggest that environmental factors, such as exposure to lead and other toxins, may contribute to violent behaviour?
answered
Jan 20
in
Psychology
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votes
45
views
According to the expectancy theory, when do individuals perceive a higher likelihood of success?
answered
Jan 17
in
Psychology
0
votes
35
views
Who developed the achievement motivation theory?
answered
Jan 17
in
Psychology
0
votes
56
views
Who proposed the theory of planned behaviour?
answered
Jan 15
in
Psychology
0
votes
38
views
What is the self-concept?
answered
Jan 14
in
Psychology
0
votes
35
views
What is the social domain theory of moral development?
answered
Jan 14
in
Psychology
0
votes
44
views
What is the difference between a correlational study and an experimental study?
answered
Jan 13
in
Psychology
0
votes
52
views
What is the auditory pathway in the brain?
answered
Jan 13
in
Psychology
0
votes
41
views
Who is the founder of positive psychology?
answered
Jan 13
in
Psychology
0
votes
35
views
What types of energy is released during a chemical reaction?
answered
Jan 8
in
Science
0
votes
89
views
What theory explains most of the features of earth’s surface?
answered
Jan 8
in
Science
0
votes
37
views
What happens between particles with opposite charges?
answered
Jan 6
in
Science
0
votes
59
views
What gas comprises about three-fourths of earth's atmosphere?
answered
Jan 6
in
Science
0
votes
41
views
What do willow trees produce to kill bacteria?
answered
Jan 6
in
Science
0
votes
32
views
How many times does the height of the largest wave increase with each level?
answered
Dec 30, 2024
in
Science
0
votes
64
views
As temperature increases, the solubility of the majority of solid substances does what?
answered
Dec 30, 2024
in
Science
0
votes
43
views
Alkenes can react with what to form alcohols?
answered
Dec 30, 2024
in
Science
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