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What is the rate of decomposition of hydrogen peroxide if a solution containing 0.02 mol/L hydrogen peroxide loses 0.005 mol/L per minute at a certain temperature?
asked
3 days
ago
in
Chemical reactions
0
votes
1
answer
21
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What is the enthalpy change for the ionization of lithium with a first ionization energy of 520 kJ/mol?
asked
5 days
ago
in
ThermoChemistry
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1
answer
25
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How do the electronic and optical properties of graphene and other 2D materials vary with changes in temperature and doping concentration?
asked
5 days
ago
in
Quantum Chemistry
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votes
1
answer
23
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What is the coordination chemistry of the chelating agent ethylenediaminetetraacetic acid (EDTA) and how does it work in chelation therapy to remove heavy metal toxins from the body?
asked
6 days
ago
in
Coordination Chemistry
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1
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28
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How does the catalytic activity of a metal cluster catalyst change when the size of the cluster is modified? Use density functional theory calculations to investigate and provide a detailed explanation.
asked
Feb 18
in
Computational Chemistry
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1
answer
30
views
What is the effect of increasing pressure on the reaction rate of the gas phase reaction between hydrogen gas and iodine gas to form hydrogen iodide, and how can this effect be explained using collision theory and the ideal gas law?
asked
Feb 13
in
Chemical kinetics
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1
answer
39
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How can we determine the molecular weight distribution of a polymer using gel permeation chromatography (GPC)?
asked
Feb 13
in
Polymer Chemistry
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votes
1
answer
32
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How can the electronic and magnetic properties of metal-organic frameworks (MOFs) be predicted using quantum chemistry methods such as density functional theory (DFT)?
asked
Feb 7
in
Quantum Chemistry
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votes
1
answer
30
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How can the chemical structure of a polymer-based drug delivery system be optimized to improve the targeting and release of drugs to specific areas of the body?
asked
Feb 6
in
Polymer Chemistry
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1
answer
38
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Calculate the standard enthalpy change for the reaction of dissolving 5.00 grams of NaOH in 100.0 mL of water at 25°C, given that the heat absorbed by the solution is 11.76 kJ. (Assume the density of water is 1.00 g/mL and the heat capacity of the solution is the same as that of water.)
asked
Feb 3
in
Chemical thermodynamics
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1
answer
66
views
How can we use infrared spectroscopy to identify the functional groups present in an unknown compound and determine its chemical structure?
asked
Jan 30
in
Analytical Chemistry
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1
answer
11
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Calculate the formal charge of the nitrogen atom in the molecule NH3. Show your work and explain the significance of the result.
asked
Jan 23
in
Chemical bonding
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1
answer
67
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A chemistry student wants to determine the bond enthalpy of hydrogen gas (H2). They have access to an experimental setup which can be used to measure the enthalpy change of a chemical reaction. How can the student determine the bond enthalpy of H2 using this setup?
asked
Jan 22
in
Chemical bonding
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votes
1
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91
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What is the mechanism and product produced when 2-methylbut-2-ene undergoes a Wagner-Meerwein rearrangement reaction in the presence of concentrated sulfuric acid?
asked
Jan 21
in
Organic Chemistry
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votes
1
answer
85
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Identify the number of stereoisomers that can be formed from the compound 2,3-dichlorobutane, and draw their structures.
asked
Jan 21
in
Organic Chemistry
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1
answer
46
views
What is the aim of person-centred therapy?
asked
Jan 20
in
Psychology
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1
answer
50
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According to cognitive dissonance theory, what happens when people hold conflicting beliefs or attitudes?
asked
Jan 17
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Psychology
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1
answer
55
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Who proposed the concept of the cognitive model of PTSD?
asked
Jan 17
in
Psychology
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1
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31
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What are the strengths of Psychodynamic Therapy?
asked
Jan 16
in
Psychology
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1
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49
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How do we evaluate the explanatory power of psychodynamic theories?
asked
Jan 16
in
Psychology
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