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0
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Calculate the standard enthalpy change for the precipitation reaction that takes place when 25.0 mL of 0.250 M barium chloride (BaCl2) and 50.0 mL of 0.100 M sodium sulfate (Na2SO4) react to form a precipitate of barium sulfate (BaSO4). The density of each solution is 1.00 g/mL and the specific heat capacity is 4.18 J/g°C. Assume a constant temperature of 25°C.
answered
Feb 3
in
Chemical thermodynamics
0
votes
68
views
How does the mechanism of action of aspirin compare to that of acetaminophen in terms of their ability to reduce fever and relieve pain?
answered
Jan 31
in
Medicinal Chemistry
0
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78
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A chemistry student needs to determine the percentage of iron (Fe) present in a given iron ore sample using gravimetric analysis. The student is provided with the mass of the iron ore sample and a standardized solution of potassium dichromate (K2Cr2O7) to use for the analysis. What is the percentage of iron (Fe) in the given iron ore sample?
answered
Jan 22
in
Analytical Chemistry
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votes
24
views
According to the change blindness paradigm, how do people miss changes in a visual display?
answered
Jan 20
in
Psychology
0
votes
11
views
According to Vygotsky, why do individuals acquire knowledge?
answered
Jan 16
in
Psychology
0
votes
47
views
When do people compare themselves?
answered
Jan 15
in
Psychology
0
votes
60
views
What is cognitive-behavioural therapy (CBT)?
answered
Jan 14
in
Psychology
0
votes
37
views
What is the Electra complex as per psychoanalytic theory?
answered
Jan 14
in
Psychology
0
votes
70
views
How does history impact adult development?
answered
Jan 14
in
Psychology
0
votes
64
views
What is the relationship between resilience and coping?
answered
Jan 14
in
Psychology
0
votes
37
views
What are the disadvantages of the social theory of anxiety?
answered
Jan 13
in
Psychology
0
votes
41
views
What is the Cannon-Bard theory of emotion?
answered
Jan 13
in
Psychology
0
votes
25
views
What scale measures acidity?
answered
Jan 7
in
Science
0
votes
47
views
What kingdom in the domain eukarya that includes molds, mushrooms, and yeasts called?
answered
Jan 7
in
Science
0
votes
81
views
What is the term for an underground layer of rock that is saturated with groundwater?
answered
Jan 7
in
Science
0
votes
28
views
What is it called when minerals replace the organic material to create fossils?
answered
Jan 6
in
Science
0
votes
49
views
Synthetic and natural rubber, styrofoam and plastic are examples of organic what?
answered
Jan 2
in
Science
0
votes
34
views
In which kind of animals does parthenogenesis occur?
answered
Dec 31, 2024
in
Science
0
votes
46
views
A flower's colors come from what part of the plant?
answered
Dec 30, 2024
in
Science
0
votes
25
views
What type of reactions form compounds?
answered
Dec 28, 2024
in
Science
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