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User RosemarieKin
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How does the rate of the reaction between hydrogen gas and iodine vapor change as the pressure is varied over a range of 0.5 atm to 2.0 atm, at a constant temperature?
asked
Feb 22
in
Chemical kinetics
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votes
1
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39
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What is the effect of surface area on the rate of reaction between magnesium ribbon and hydrochloric acid? Compare the reaction rate of a small piece of magnesium ribbon with that of a powdered magnesium ribbon in hydrochloric acid.
asked
Feb 22
in
Chemical kinetics
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1
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28
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How does the polarity of cations in ionic liquids affect their physical properties, such as melting point and viscosity?
asked
Feb 22
in
Physical Chemistry
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1
answer
33
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What is the predicted bond angle in a molecule of water (H2O) based on its molecular geometry?
asked
Feb 21
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Chemical bonding
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1
answer
34
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How does the lack of internship opportunities impact the preparedness of chemistry students for chemistry-related careers?
asked
Feb 20
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Chemical education
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1
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29
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What is the effect of temperature on the reaction rate of a given chemical reaction, and how does this impact the safety of the reaction?
asked
Feb 20
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Chemical kinetics
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1
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116
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How can the stimulus-responsive behavior of a polymer-based smart material be optimized for a specific application, such as drug delivery or sensing?
asked
Feb 10
in
Polymer Chemistry
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41
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How can practical applications of chemistry be incorporated into the curriculum to improve the understanding and relevance of the subject for students?
asked
Feb 5
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Chemical education
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1
answer
74
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Design a synthesis pathway for the production of 2-butyne from 1-bromobutane, including all necessary reagents and reaction mechanisms.
asked
Feb 4
in
Organic Chemistry
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108
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What is the effect of adding a catalyst on the equilibrium position of a redox reaction and how would you calculate the change in equilibrium concentration of products and reactants? Provide an example of a redox reaction and its equilibrium constant (Kc) value before and after the addition of a catalyst. Also, explain the role of a catalyst in shifting the equilibrium position of a reaction.
asked
Jan 30
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Chemical equilibrium
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1
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63
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How can the concentration of copper ions in a water sample be determined using polarography?
asked
Jan 29
in
Analytical Chemistry
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1
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63
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How can the concentration of calcium ions in a solution be determined using ion-selective electrodes in analytical chemistry?
asked
Jan 29
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Analytical Chemistry
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1
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66
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How can the concentration of a particular substance be determined using polarography? Provide step-by-step instructions and a detailed explanation of the variables and calculations involved in the process. Additionally, give an example of how this technique can be applied in real-life situations, such as determining the levels of heavy metal pollutants in a water sample.
asked
Jan 29
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Analytical Chemistry
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69
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What is the solubility of calcium sulfate (CaSO4) in water at 25°C?
asked
Jan 21
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Inorganic Chemistry
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1
answer
54
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How does the self-determination theory explain intrinsic motivation?
asked
Jan 20
in
Psychology
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1
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78
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According to the information-processing theory, what are the stages of memory?
asked
Jan 17
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Psychology
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1
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117
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Compare and contrast constructivism and behaviourism in understanding cognitive development.
asked
Jan 17
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Psychology
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1
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45
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When evaluating the originality of a theory, what should be considered?
asked
Jan 16
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Psychology
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24
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Who is the psychologist who developed the social identity theory?
asked
Jan 15
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Psychology
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40
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When can high self-esteem lead to negative outcomes?
asked
Jan 15
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Psychology
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