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How can Raman spectroscopy be used to identify the presence of specific compounds in a sample, and what are the advantages and disadvantages of this analytical technique compared to other methods such as infrared spectroscopy or mass spectrometry?
answered
Jan 29
in
Analytical Chemistry
1
answer
46
views
Calculate the bond length between two carbon atoms in ethene (C2H4), given that the distance between the nuclei of the carbon atoms is 1.33 angstroms and the bond angle between them is 121.7 degrees. Use the formula for calculating bond length based on the bond angle and distance between nuclei.
asked
Jan 23
in
Chemical bonding
1
answer
54
views
A student wants to determine the mass of silver (Ag) that will be deposited on the cathode when a current of 4 A passes through a solution of silver nitrate (AgNO3) for 30 minutes. What is the mass of silver that will be deposited on the cathode? (Assume a Faraday constant of 96,485 C/mol and the atomic mass of silver is 107.87 g/mol).
answered
Jan 22
in
ElectroChemistry
1
answer
50
views
A student prepared a 0.2 M solution of sodium acetate and the equilibrium reaction for sodium acetate is CH3COO- + H2O ⇌ CH3COOH + OH-. The initial pH of the solution is 9. Calculate the new pH of the solution when 0.1 mol of NaOH is added to it.
asked
Jan 22
in
Chemical equilibrium
1
answer
41
views
How do the coordination chemistry principles of chelation therapy contribute to the removal of toxic metal ions from the human body?
answered
Jan 22
in
Coordination Chemistry
1
answer
6
views
Please list and explain the two types of variables in theory evaluation
answered
Jan 16
in
Psychology
1
answer
6
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What is the main idea behind self-determination theory?
asked
Jan 15
in
Psychology
1
answer
23
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What is the Minority Stress Model?
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Jan 15
in
Psychology
1
answer
17
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What is the importance of positive psychology?
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Jan 14
in
Psychology
1
answer
45
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What is the behaviourist perspective?
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Jan 13
in
Psychology
1
answer
25
views
What us state leads all states in producing geothermal energy?
asked
Jan 8
in
Science
1
answer
36
views
What is the female reproductive structure of a flower called?
asked
Jan 7
in
Science
1
answer
25
views
What does interspecific competition between species often lead to?
asked
Jan 6
in
Science
1
answer
45
views
What causes halide minerals to form?
answered
Jan 6
in
Science
1
answer
49
views
The lowest resonant frequency is called the what?
asked
Jan 2
in
Science
1
answer
29
views
What increases the size of a population's gene pool?
answered
Dec 28, 2024
in
Science
1
answer
20
views
The cells within meristems divide relatively frequently, generating additional what?
answered
Dec 27, 2024
in
Science
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