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0
votes
1
answer
23
views
What is the effect of pH on the structure and function of proteins?
asked
3 days
ago
in
BioChemistry
0
votes
1
answer
26
views
What is the molecular geometry of a water molecule (H2O)?
asked
4 days
ago
in
Chemical bonding
0
votes
1
answer
29
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What is the bond dissociation energy of a carbon-carbon single bond in ethane (C2H6), and how does it compare to the bond dissociation energy of a carbon-carbon double bond in ethene (C2H4)?
asked
Feb 18
in
Chemical bonding
0
votes
1
answer
41
views
What is the mechanism of energy transfer in a chemical reaction and how can it be described using quantum mechanics?
asked
Feb 13
in
Quantum Chemistry
0
votes
1
answer
23
views
How can we design a chemical engineering system that produces cosmetics with safe, eco-friendly, and cost-effective ingredients while ensuring a high-quality end product?
asked
Feb 12
in
Chemical engineering
0
votes
1
answer
34
views
How can the compatibility of two different polymers be improved in a blend to enhance their overall properties?
asked
Feb 6
in
Polymer Chemistry
0
votes
1
answer
37
views
How can chemistry students ensure they are adequately prepared for chemistry-related careers beyond graduation?
asked
Feb 4
in
Chemical education
0
votes
1
answer
57
views
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
0
votes
1
answer
41
views
Calculate the standard enthalpy change (∆H°) for the reaction of the coordination compound [Co(NH3)6]Cl3 (aq) with NaOH (aq) to produce [Co(NH3)6](OH)3 (aq) and NaCl (aq). Given, the standard enthalpy of formation (∆H°f) for [Co(NH3)6]Cl3, [Co(NH3)6](OH)3 and NaCl are -784.8 kJ/mol, -1273.6 kJ/mol and -411.2 kJ/mol, respectively.
asked
Feb 3
in
Chemical thermodynamics
0
votes
1
answer
36
views
How does changing the reaction mechanism affect the rate of the chemical reaction and what factors contribute to the changes in the reaction rate?
asked
Feb 3
in
Chemical kinetics
0
votes
1
answer
13
views
How can the identification of functional groups in a given compound be achieved using infrared spectroscopy? Please explain the principle of IR spectroscopy and provide a step-by-step procedure for interpreting an IR spectrum to identify the functional groups present in the compound. Use an example compound to demonstrate the process.
asked
Jan 29
in
Analytical Chemistry
0
votes
1
answer
68
views
Calculate the equilibrium constant (Kc) for the reaction N2(g) + 3H2(g) ⇌ 2NH3(g) if the equilibrium concentration of nitrogen (N2) is 0.025 M, hydrogen (H2) is 0.10 M, and ammonia (NH3) is 0.015 M.
asked
Jan 23
in
Chemical reactions
0
votes
1
answer
66
views
Calculate the change in entropy for the reaction: 2H2(g) + O2(g) → 2H2O(g)if the standard entropy values of H2, O2, and H2O are 130.7 J/mol*K, 205.0 J/mol*K, and 188.7 J/mol*K, respectively.
asked
Jan 23
in
Inorganic Chemistry
0
votes
1
answer
73
views
A chemist has a sample of an unknown compound with a mass of 5.00 g. After analyzing the sample, the following results were obtained: 0.50 g of oxygen, 1.25 g of carbon, and 3.25 g of hydrogen. Calculate the molecular formula of the unknown compound using mass balance calculations.
asked
Jan 22
in
Analytical Chemistry
0
votes
1
answer
39
views
Please evaluate the groupthink phenomenon.
asked
Jan 20
in
Psychology
0
votes
1
answer
30
views
Where is the dorsal pathway located in the brain?
asked
Jan 20
in
Psychology
0
votes
1
answer
61
views
When using social cognitive theory in teaching, what should teachers do?
asked
Jan 20
in
Psychology
0
votes
1
answer
42
views
What is the role congruity theory of prejudice?
asked
Jan 20
in
Psychology
0
votes
1
answer
41
views
According to the cognitive-behavioural model, what is the cause of schizophrenia?
asked
Jan 16
in
Psychology
0
votes
1
answer
35
views
According to the biopsychosocial approach, what is the main emphasis in understanding health?
asked
Jan 16
in
Psychology
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