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0
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28
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How does the rate of reaction vary with respect to the orientation of reactant molecules? Provide experimental evidence to support your answer.
answered
Feb 22
in
Chemical kinetics
0
votes
22
views
What is the electronegativity difference between the oxygen atom and the hydrogen atom in a molecule of water (H2O)?
answered
Feb 20
in
Chemical bonding
0
votes
23
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How can we design drugs for treating type 2 diabetes by targeting specific enzymes involved in glucose metabolism?
answered
Feb 12
in
Medicinal Chemistry
0
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73
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Determine the maximum monolayer coverage of nitrogen gas on a silver surface in Langmuir units if the partial pressure of nitrogen gas is 2.5 atm at 298 K. The area per molecule of nitrogen adsorbed on the silver surface is known to be 1.55×10^-19 m^2 according to experimental data.
answered
Feb 4
in
Surface Chemistry
0
votes
73
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How can Raman spectroscopy be used to identify the presence of caffeine in a sample?
answered
Jan 29
in
Analytical Chemistry
0
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103
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A chemistry student needs to quantify the amount of iron (II) ions in a sample using colorimetry. The sample was prepared by dissolving a known mass of iron (II) sulfate in water, and the solution was diluted to a known volume. The student needs to determine the concentration of iron (II) ions in the original solution by measuring the absorbance of the sample using a colorimeter, and then using calibration curves to convert the absorbance to concentration. The student also needs to calculate the percentage error of the experiment and suggest ways to improve the accuracy of the results.
answered
Jan 22
in
Analytical Chemistry
0
votes
56
views
What is the difference between a t-test and an ANOVA?
answered
Jan 17
in
Psychology
0
votes
82
views
What is the role of culture in perceptual illusions?
answered
Jan 15
in
Psychology
0
votes
63
views
Why do our past experiences influence perceptions?
answered
Jan 15
in
Psychology
0
votes
103
views
According to the Resource Model of Attention, what is the relationship between attention and task demands?
answered
Jan 15
in
Psychology
0
votes
38
views
What is a quasi-random assignment?
answered
Jan 14
in
Psychology
0
votes
55
views
Which type of bryophytes are named for their horn-like sporophytes?
answered
Jan 8
in
Science
0
votes
55
views
Where is multiple fission more often observed?
answered
Jan 8
in
Science
0
votes
43
views
What is any nonmetallic, inorganic solid that is strong enough for use in structural applications called?
answered
Jan 6
in
Science
0
votes
84
views
What consists of two or more elements and forms as a result of a chemical reaction?
answered
Jan 6
in
Science
0
votes
88
views
What are 3 types of light?
answered
Jan 2
in
Science
0
votes
52
views
The biological electron transport chain provides for an orderly, stepwise transfer of electrons. both nadh (reduced nicotinamide adenine dinucleotide) and fadh2 (reduced flavin adenine dinucleotide) are energy rich molecules that liberate a large amount of energy during what?
answered
Dec 31, 2024
in
Science
0
votes
42
views
Mass can be destroyed to release what?
answered
Dec 31, 2024
in
Science
0
votes
43
views
In humans and other multicellular organisms, different types of what basic structures are specialized for specific jobs?
answered
Dec 31, 2024
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Science
0
votes
72
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Do most humans feed at one trophic level, or more than one?
answered
Dec 30, 2024
in
Science
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