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User WhitneyCarey
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How does the regulation of glycolysis contribute to the overall metabolism of glucose in the human body? Specifically, what are the key molecules and enzymes involved in regulation and how do they interact to ensure efficient energy production?
answered
1 day
ago
in
BioChemistry
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votes
18
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How does the reaction rate of the decomposition of hydrogen peroxide change with temperature?
answered
1 day
ago
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Chemical kinetics
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22
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How does the proofreading ability of DNA polymerase contribute to maintaining the accuracy of DNA replication, and what happens when this proofreading process fails?
answered
3 days
ago
in
BioChemistry
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votes
15
views
What is the Lewis structure for the molecule of carbon dioxide?
answered
5 days
ago
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Chemical bonding
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24
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What is the rate of a gas-phase reaction in which nitrogen dioxide decomposes into nitric oxide and oxygen gas at a rate constant of 2.0 x 10^-3 s^-1 when the concentration of nitrogen dioxide is 0.10 M and the reaction is carried out at 450 K?
answered
5 days
ago
in
Physical Chemistry
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23
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What is the effect of the number of layers of graphene on its electrical conductivity and how does it affect its potential use in electronic devices?
answered
6 days
ago
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Materials Chemistry
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32
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What are the advantages and disadvantages of using natural polymers versus synthetic polymers in the production of adhesives and sealants? Provide examples and evidence to support your answer.
answered
Feb 13
in
Polymer Chemistry
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41
views
How can the properties and behavior of crude oil be manipulated or controlled to minimize the environmental impact of an oil spill?
answered
Feb 10
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Environmental Chemistry
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votes
47
views
How can the production process of detergents be optimized to improve their effectiveness in removing stains, while minimizing their environmental impact and reducing production costs?
answered
Feb 10
in
Chemical engineering
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votes
32
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How can the physical and chemical properties of polymer-based biomaterials be optimized to enhance tissue regeneration efficiency and biocompatibility in tissue engineering applications?
answered
Feb 10
in
Polymer Chemistry
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votes
31
views
How can the conductivity of polymer electrolytes be improved for use in high-performance batteries?
answered
Feb 6
in
Polymer Chemistry
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11
views
How can an engineer design a safe and efficient system for the storage and transportation of hazardous chemicals, taking into consideration factors such as temperature, pressure, material compatibility, and environmental impact?
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Feb 4
in
Chemical engineering
0
votes
65
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Calculate the enthalpy change when 50.0 grams of ammonium nitrate dissolves in 250 mL of water at 25°C. The initial temperature of water was also 25°C and the final temperature after dissolution was 18.5°C. The molar mass of ammonium nitrate is 80.04 g/mol and the specific heat of water is 4.184 J/g°C. Assume that the heat capacity of the solution is the same as that of water.
answered
Jan 23
in
ThermoChemistry
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69
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A student needs to calculate the activation energy for a reaction that takes place at an electrode with a current density of 2.5 mA/cm² at a temperature of 25°C. The reaction has a transfer coefficient of 0.5 and a standard rate constant of 2.0 × 10⁻⁶ cm/s. The student has access to the necessary thermodynamic data for the reaction. What is the activation energy for this electrochemical reaction?
answered
Jan 22
in
ElectroChemistry
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votes
47
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A chemistry student wants to calculate the amount of heat required to melt 15 grams of ice at 0°C. Given that the enthalpy of fusion of ice is 6.01 kJ/mol, what is the total amount of heat required to completely melt the ice?
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Jan 22
in
ThermoChemistry
0
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34
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When was the Thematic Apperception Test TAT developed?
answered
Jan 20
in
Psychology
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votes
46
views
In contrast, how does narrative therapy see the role of language in shaping the individual's experience?
answered
Jan 20
in
Psychology
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votes
22
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Compare the effectiveness of antipsychotics and mood stabilisers in treating bipolar disorder.
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Jan 16
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Psychology
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36
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Why is the attachment theory used in forensic psychology?
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Jan 16
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Psychology
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39
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Who proposed the working-memory model?
answered
Jan 16
in
Psychology
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