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What is the relationship between the frequency of infrared radiation and the type of molecular vibrations observed in a sample of organic compound?
answered
1 day
ago
in
Physical Chemistry
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votes
28
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What is the balanced chemical equation for the synthesis reaction of calcium nitrate and ammonium sulfate?
answered
3 days
ago
in
Chemical reactions
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21
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What is the pKa value of acetic acid, and what is the pH of a 0.1 M solution of acetic acid? Also, what is the percent ionization of acetic acid in this solution? (Assume temperature to be 25°C and the ionization of acetic acid to be a one-step process.)
answered
3 days
ago
in
Organic Chemistry
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17
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How does the pH affect the rate of enzymatic reaction catalyzed by lactase?
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4 days
ago
in
BioChemistry
0
votes
30
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What is the molecular geometry of a molecule that has 2 bonding pairs and 2 lone pairs of electrons on its central atom?
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5 days
ago
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Chemical bonding
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24
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What is the effect of concentration on the reaction rate of catalytic hydrogenation of butene?
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6 days
ago
in
Physical Chemistry
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votes
22
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What is the crystal field splitting energy for an octahedral complex with ligand field stabilisation energy of 4000 cm^-1? Show the calculation and determine whether the complex will be high spin or low spin.
answered
6 days
ago
in
Coordination Chemistry
0
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31
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What are the factors that influence the adhesion of a polymer to a surface? How can the surface properties of a polymer be modified to enhance its adhesion to a particular substrate?
answered
Feb 17
in
Polymer Chemistry
0
votes
32
views
How does the activation energy of a chemical reaction change with the addition of a catalyst, as predicted by quantum chemical calculations?
answered
Feb 17
in
Computational Chemistry
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32
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How can the use of fertilizers in sustainable agriculture be optimized to minimize environmental impact while still maintaining crop yield?
answered
Feb 14
in
Environmental Chemistry
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36
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What is the relationship between a molecule and its enantiomer in terms of chirality, and how can their properties differ? Provide an example of two enantiomers with differing properties.
answered
Feb 13
in
Organic Chemistry
0
votes
93
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How does an increase in pH affect the equilibrium position of the reaction between acetic acid and acetate ions? Provide a detailed explanation using Le Chatelier's principle.
answered
Jan 31
in
Chemical equilibrium
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53
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What strategies can be implemented to effectively integrate technology into chemistry education and enhance students' understanding and engagement with the subject?
answered
Jan 30
in
Chemical education
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71
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A gas-phase reaction A ⇌ B is known to have a rate constant of 0.05 L/mol/s at 300 K. If the initial concentration of A is 0.1 M and the system reaches equilibrium after 2 minutes, what is the concentration of B at equilibrium? (Assume constant pressure and ideal gas behavior)
answered
Jan 22
in
Physical Chemistry
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85
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What is the correct IUPAC name of the following organic compound: CH3-CH2-CH(CH3)-CH2-Br?
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Jan 21
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Organic Chemistry
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29
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What is the impact of nutrition on mental rotation?
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Jan 20
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Psychology
0
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38
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Why is structural family therapy helpful for family dysfunction?
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Jan 20
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Psychology
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29
views
How can social support be used for social change?
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Jan 20
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Psychology
0
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40
views
What is the difference between primary and secondary sexual characteristics?
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Jan 20
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Psychology
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10
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When might exposure therapy be used in treatment for PTSD?
answered
Jan 17
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Psychology
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