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1
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26
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What are the products of the thermal decomposition of calcium carbonate (CaCO3)?
asked
Feb 22
in
Chemical reactions
0
votes
1
answer
27
views
How does the photochemical behavior of enantiomers differ, and what factors contribute to these differences?
asked
Feb 22
in
PhotoChemistry
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1
answer
25
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What is the most efficient production process design for the manufacturing of lubricants, taking into account the desired properties, cost-effectiveness, and environmental impact?
asked
Feb 21
in
Chemical engineering
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1
answer
39
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What is the molecular geometry of the NH3 molecule?
asked
Feb 21
in
Chemical bonding
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1
answer
32
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What is the dipole moment of the water molecule calculated using ab initio methods?
asked
Feb 19
in
Computational Chemistry
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1
answer
48
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How does heavy metal contamination in soil affect crop growth and yield, and what are some effective methods to remediate contaminated soil for sustainable agriculture practices?
asked
Feb 13
in
Environmental Chemistry
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votes
1
answer
105
views
How can we design drugs to treat metabolic disorders by targeting specific metabolic pathways without affecting other physiological processes in the body?
asked
Feb 12
in
Medicinal Chemistry
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1
answer
34
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How can chemistry teachers provide adequate support for students with learning disabilities in the classroom to ensure their success in the subject?
asked
Feb 6
in
Chemical education
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1
answer
51
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How can insufficient funding for chemistry education impact the quality of laboratory experiments and practical learning experiences for chemistry students, and what strategies can schools and educators implement to address this issue and improve the overall quality of chemistry education?
asked
Feb 5
in
Chemical education
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votes
1
answer
31
views
How can Fourier Transform Infrared Spectroscopy (FTIR) be used to identify different functional groups present in a polymer sample and how can the information obtained from FTIR spectra assist in characterization of the polymer?
asked
Feb 5
in
Polymer Chemistry
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1
answer
38
views
How can chemistry students in low-resource areas access quality textbooks and resources to enhance their understanding of complex topics?
asked
Feb 5
in
Chemical education
0
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1
answer
75
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Given the following information: A polymerization reaction has a heat of reaction of -150 kJ/mol and a Δn (change in moles of gas) of +2 moles gas/mol. If 5.0 g of the monomer is polymerized, what is the enthalpy change (in kJ) for the overall reaction?
asked
Feb 4
in
ThermoChemistry
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1
answer
75
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Calculate the standard enthalpy change of the reaction NH3(g) + 2O2(g) → NO2(g) + 3H2O(l) at 25°C, given that the standard enthalpies of formation of NH3(g), O2(g), NO2(g) and H2O(l) are -46.11 kJ/mol, 0 kJ/mol, 33.18 kJ/mol and -285.8 kJ/mol, respectively.
asked
Feb 3
in
Quantum Chemistry
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1
answer
57
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Calculate the power output of a galvanic cell given that the cell potential is 1.8 V and the current passing through the circuit is 2.5 A. The electrochemical reaction taking place in the cell is the oxidation of Zinc and reduction of Copper. The standard reduction potentials are +0.76 V for copper and -0.76 V for zinc. The concentration of Zinc ions is 1.0 M whereas Copper ions concentration is 0.1 M. Determine the power output of the cell.
asked
Feb 3
in
ElectroChemistry
0
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1
answer
70
views
How does changing the pressure affect the rate of reaction between hydrochloric acid and calcium carbonate?
asked
Feb 3
in
Chemical kinetics
0
votes
1
answer
108
views
How can the pH and metal concentration of acid mine drainage be effectively controlled to prevent its harmful impact on aquatic ecosystems?
asked
Jan 30
in
Environmental Chemistry
0
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1
answer
118
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What is the concentration of copper ions in a given solution, using voltammetry as the quantification method?
asked
Jan 30
in
Analytical Chemistry
0
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1
answer
83
views
What is the main criticism of the cognitive-behavioural model of pain management?
asked
Jan 16
in
Psychology
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1
answer
46
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How is the cocktail party effect possible?
asked
Jan 16
in
Psychology
0
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1
answer
98
views
What is the situational approach to leadership?
asked
Jan 16
in
Psychology
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