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How does the use of different solvents affect the rate of the chemical reaction between sodium hydroxide and hydrochloric acid, and how can these effects be explained in terms of the solvent's polarity and ability to stabilize the reaction intermediates?
asked
Feb 22
in
Chemical kinetics
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votes
1
answer
27
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How does the concentration of reactants in a reaction affect the reaction rate under different reaction mechanisms?
asked
Feb 19
in
Chemical kinetics
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1
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25
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How does the addition of specific elements affect the mechanical properties (such as strength and durability) of metal alloys used in aerospace applications, and how can this knowledge be used to optimize their performance?
asked
Feb 17
in
Materials Chemistry
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35
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How do small molecule inhibitors disrupt protein-protein interactions in cancer cells and what is their potential as targeted anticancer agents?
asked
Feb 14
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BioChemistry
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1
answer
27
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How can students acquire practical laboratory skills and experience in chemistry when they have limited access to laboratory equipment and facilities?
asked
Feb 5
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Chemical education
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1
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33
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How can benzyl chloride and ammonia be reacted together to synthesize phenylalanine in high yields and purity, and what are the key reaction parameters and conditions that must be carefully controlled to achieve this?
asked
Feb 4
in
Chemical synthesis
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69
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Here's a problem for the student to solve:Design a remediation plan for a hypothetical contaminated site that has been contaminated with heavy metals. Discuss the various treatment options available for the site, the advantages and disadvantages of each option, and the costs associated with each option. Finally, recommend a remediation strategy that you think would be the most effective and economically feasible for the site.
asked
Feb 4
in
Environmental Chemistry
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70
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Determine the equilibrium constant, Kc, for the formation of the complex ion FeSCN2+ if 0.15 moles of Fe(NO3)3 and 0.25 moles of NaSCN are mixed in 1.0 L of water at 25°C and allowed to come to equilibrium. During the reaction, 0.05 moles of FeSCN2+ are formed.
asked
Feb 4
in
Chemical equilibrium
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91
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What is the molecular geometry and polarity of the carbon tetrafluoride (CF4) molecule?
asked
Jan 31
in
Inorganic Chemistry
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123
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What is the theoretical electronic band gap of a newly synthesized perovskite material with the chemical formula ABX3? Calculate the electronic band gap using a computational method such as density functional theory (DFT) and compare it with the experimental value to assess the accuracy of the computational approach.
asked
Jan 31
in
Quantum Chemistry
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133
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What is the concentration of a solution containing an unknown amount of lead ions if it requires 25 milliliters of 0.1 M potassium iodide (KI) solution to titrate completely in a polarographic analysis?
asked
Jan 30
in
Analytical Chemistry
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1
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109
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What is the best electrophoresis technique to use for separating and analyzing the composition of proteins in a complex sample mixture?
asked
Jan 30
in
Analytical Chemistry
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1
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86
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When was the concept of anchoring introduced?
asked
Jan 20
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Psychology
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1
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67
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According to the evolutionary approach, why do humans have emotions?
asked
Jan 17
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Psychology
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1
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63
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Why is falsifiability important?
asked
Jan 16
in
Psychology
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1
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45
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What is reliability in theory evaluation?
asked
Jan 16
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Psychology
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1
answer
50
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According to the Elaboration Likelihood Model, how do individuals process persuasive messages?
asked
Jan 16
in
Psychology
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1
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45
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What is the behavioural approach to leadership?
asked
Jan 16
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Psychology
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1
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46
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Who proposed the Cognitive Social Learning Theory?
asked
Jan 15
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Psychology
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43
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What is the Social Exchange Theory, and how is it relevant to AI design for social media?
asked
Jan 15
in
Psychology
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