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votes
1
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17
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What is the relationship between the structural properties of inorganic compounds and their conductivity, and how can this be used to determine the conductivity of different types of inorganic compounds?
asked
1 day
ago
in
Inorganic Chemistry
0
votes
1
answer
21
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How does the reaction mechanism affect the reaction rate in the decomposition of hydrogen peroxide catalyzed by iodide ions?
asked
3 days
ago
in
Chemical kinetics
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votes
1
answer
19
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What is the effect of reactant orientation on the reaction rate of a chemical reaction between hydrochloric acid (HCl) and magnesium (Mg)?
asked
3 days
ago
in
Chemical kinetics
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votes
1
answer
29
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How does the photochemical property of a dye or pigment affect its ability to bleach or fade when exposed to sunlight? Use specific examples to explain the underlying photochemical reactions involved.
asked
3 days
ago
in
PhotoChemistry
0
votes
1
answer
20
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How does the intensity of light affect the rate of a reaction between hydrogen peroxide and iodide ions under different wavelengths of light?
asked
5 days
ago
in
Chemical kinetics
0
votes
1
answer
16
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What is the electronegativity difference between chlorine and sodium in a sodium chloride (NaCl) molecule?
asked
5 days
ago
in
Chemical bonding
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1
answer
30
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What is the balanced half equation for the reduction of dichromate ion (Cr2O7 2-) to chromium (III) ion (Cr3+) in an acidic solution?
asked
Feb 17
in
Chemical reactions
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votes
1
answer
34
views
How does the absorption spectra of a molecule change with changes in its geometrical configuration? Use quantum chemical calculations to predict and explain the changes in the excited states of the molecule when its structure is altered.
asked
Feb 17
in
Computational Chemistry
0
votes
1
answer
32
views
What are the different types of liquid crystals and how do their properties vary based on their chemical structure?
asked
Feb 13
in
Physical Chemistry
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votes
1
answer
58
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What is the relationship between the size and charge of cations and anions within an ionic compound, and how does this affect the stability of the compound?
asked
Feb 13
in
Inorganic Chemistry
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votes
1
answer
33
views
How have environmental regulations, specifically in the area of hazardous waste management, impacted the reduction of pollutants and their effects on the environment?
asked
Feb 13
in
Environmental Chemistry
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votes
1
answer
29
views
How do different types of DNA-protein interactions affect the stability and dynamics of the protein-DNA complex in molecular dynamics simulations?
asked
Feb 12
in
Computational Chemistry
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votes
1
answer
36
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How can the efficiency of the surfactant production process be improved by optimizing the operating parameters such as temperature, pH, and concentration of reactants in a designed production system?
asked
Feb 7
in
Chemical engineering
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votes
1
answer
38
views
How can chemistry teachers effectively integrate safety protocols in their laboratory activities while still providing a stimulating and engaging learning environment for their students?
asked
Feb 5
in
Chemical education
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1
answer
43
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How can chemistry students improve their exposure to current research in chemistry, and what strategies can they use to stay up to date with recent advancements in the field?
asked
Feb 5
in
Chemical education
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votes
1
answer
48
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Calculate the standard entropy change for the reaction of 2 moles of nitrogen gas reacting with 5 moles of oxygen gas to produce 2 moles of nitrogen monoxide gas at a constant pressure of 1 bar and 298 K. Given the standard molar entropy of nitrogen gas, oxygen gas, and nitrogen monoxide gas to be 191.6 J K-1 mol-1, 205.0 J K-1 mol-1, and 210.6 J K-1 mol-1, respectively.
asked
Feb 3
in
Chemical thermodynamics
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votes
1
answer
61
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What are some effective ways for undergraduate chemistry students to gain exposure to current research in the field?
asked
Jan 30
in
Chemical education
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votes
1
answer
69
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What is the concentration of copper ions (Cu2+) in a sample solution if the absorbance of the solution at a wavelength of 550 nm is 0.45 and the path length of the sample cell is 1 cm? Given that the molar absorptivity of Cu2+ at this wavelength is 1.5 × 10^4 L mol^-1 cm^-1.
asked
Jan 30
in
Analytical Chemistry
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votes
1
answer
64
views
Calculate the heat of formation of methane (CH4) given the standard enthalpies of formation of carbon dioxide (CO2), water (H2O), and oxygen gas (O2).
asked
Jan 23
in
Chemical bonding
0
votes
1
answer
69
views
Calculate the enthalpy change for the hydrolysis of 5.5 grams of sucrose (C12H22O11) using the standard enthalpy of formation values of the products and reactants. Assume the reaction takes place at constant pressure and temperature of 25°C.
asked
Jan 23
in
ThermoChemistry
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