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0
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29
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What is the effect of temperature on the rate of the inorganic reaction between hydrochloric acid and sodium thiosulfate?
answered
Feb 22
in
Inorganic Chemistry
0
votes
28
views
How does the molecular structure of liquid crystal compounds affect their phase transition temperatures and optical properties?
answered
Feb 21
in
Physical Chemistry
0
votes
34
views
What is the effect of temperature on the solubility of salt in water? Provide experimental evidence to explain your answer.
answered
Feb 20
in
Physical Chemistry
0
votes
33
views
How does the application of quantum mechanics principles explain the molecular structure and bonding in water molecules?
answered
Feb 17
in
Physical Chemistry
0
votes
32
views
How does the amount of activated carbon used for adsorption of a specific pollutant affect the removal efficiency in terms of percentage and what is the optimal amount of activated carbon to be used for maximum removal?
answered
Feb 17
in
Surface Chemistry
0
votes
78
views
What is the total number of electrons transferred in the following electrochemical reaction: 2Fe3+ (aq) + Mg (s) → 2Fe2+ (aq) + Mg2+ (aq)?
answered
Feb 13
in
ElectroChemistry
0
votes
53
views
What is the bond order and bond length of the carbon-oxygen double bond in carbon dioxide?
answered
Feb 13
in
Inorganic Chemistry
0
votes
40
views
How can the pharmacological activity of a natural product be optimized for medicinal use through chemical modification while maintaining its natural structure?
answered
Feb 10
in
Medicinal Chemistry
0
votes
39
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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?
answered
Feb 6
in
Polymer Chemistry
0
votes
68
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Determine the acidity or basicity of the following molecules: ammonia (NH3), hydrogen chloride (HCl), water (H2O), and carbon dioxide (CO2). Rank them in order of increasing acidity or increasing basicity and explain your reasoning.
answered
Feb 4
in
Chemical bonding
0
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48
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Calculate the standard enthalpy change of formation for the compound methane (CH4) given the following information:- The standard enthalpy change of formation for carbon dioxide (CO2) is -393.5 kJ/mol.- The standard enthalpy change of formation for water (H2O) is -285.8 kJ/mol.- The enthalpy of combustion for methane is -890.4 kJ/mol.
answered
Feb 3
in
Chemical thermodynamics
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votes
36
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Consider the inorganic molecule SF4. Determine the following for this molecule:1. The Lewis structure2. The molecular geometry3. The polarity of the molecule
answered
Jan 30
in
Inorganic Chemistry
0
votes
119
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What is the concentration of chloride ions in a 0.1 M solution of hydrochloric acid, if the potential difference between two silver electrodes in contact with the solution is measured to be 0.22 V at 25°C? The standard reduction potential for the silver/silver chloride electrode is 0.22 V.
answered
Jan 30
in
Analytical Chemistry
0
votes
56
views
How can the composition of a protein sample be analyzed using electrophoresis?
answered
Jan 29
in
Analytical Chemistry
0
votes
79
views
What did the genetics study on anorexia nervosa find?
answered
Jan 20
in
Psychology
0
votes
66
views
Compare and contrast the information-processing approach to cognitive development with Piaget's theory.
answered
Jan 20
in
Psychology
0
votes
25
views
Please compare and contrast the ethics of using qualitative and quantitative data analysis in research.
answered
Jan 20
in
Psychology
0
votes
43
views
What is community-based participatory research?
answered
Jan 17
in
Psychology
0
votes
48
views
How are p-values used in hypothesis testing?
answered
Jan 16
in
Psychology
0
votes
48
views
What are the limitations of using mean scores as a measure of central tendency?
answered
Jan 16
in
Psychology
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