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User MarilouBelt6
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What is the efficient and effective method for the preparation of 2,4-dichlorobenzoic acid from benzoic acid and chlorine gas, including the suitable conditions and parameters needed to ensure a high yield of product and minimal waste?
answered
5 days
ago
in
Chemical synthesis
0
votes
44
views
A chemistry student wants to study the adsorption behavior of a gas on a solid surface. The Langmuir adsorption isotherm experiment is conducted at temperature T. After analyzing the data, the student finds that the maximum adsorption capacity (at saturation) is q moles of the gas per unit area of the solid surface. The student also determines the value of the Langmuir constant K, which is proportional to the affinity of the gas for the surface. Now, the student needs to determine the fraction of the surface that is covered by the gas molecules at a certain pressure P below the saturation
answered
Jan 22
in
Surface Chemistry
0
votes
46
views
A chemist analyzed a sample of unknown substance and found that it contains 55% carbon, 9.17% of hydrogen and the rest of the mass is oxygen. What is the percentage by mass of oxygen in the sample?
answered
Jan 22
in
Analytical Chemistry
0
votes
22
views
According to the gestalt principles of perceptual organization, how do we perceive objects?
answered
Jan 20
in
Psychology
0
votes
21
views
Please compare the factors that contribute to conformity and obedience in social psychology.
answered
Jan 17
in
Psychology
0
votes
4
views
Who developed the concept of social facilitation?
answered
Jan 15
in
Psychology
0
votes
49
views
What is the main goal of person-centered therapy?
answered
Jan 14
in
Psychology
0
votes
7
views
What state occurs when the amount of solute dissolved exceeds the solubility?
answered
Jan 7
in
Science
0
votes
49
views
What are the major types anchoring proteins?
answered
Jan 3
in
Science
0
votes
18
views
What are unique in having adaptive immunity in addition to innate immunity?
answered
Dec 27, 2024
in
Science
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