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User GabrieleVanw
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0
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What is the effect of an increase in temperature on the ionization constant, Ka, of a weak acid with an initial concentration of 0.1 M and a pKa of 4.74? If the temperature is increased from 25°C to 35°C, what would be the new value for Ka?
answered
5 days
ago
in
Chemical equilibrium
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19
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Identify the type of inorganic compound formed between magnesium and chlorine.
answered
5 days
ago
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Inorganic Chemistry
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30
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How can we predict the color of transition metal complexes based on their electronic configurations and ligands?
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Feb 14
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Inorganic Chemistry
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70
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How can the synthesis of metal-organic frameworks (MOFs) be optimized to improve their stability and efficiency in gas separation applications?
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Feb 11
in
Materials Chemistry
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48
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How can the synthesis of metal nanoparticles using eco-friendly methods be improved for better yield and size control?
answered
Feb 11
in
Materials Chemistry
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40
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How can technology be effectively integrated into the teaching and learning of chemical education, and what strategies can be used to overcome the difficulties faced in incorporating technology into chemistry education?
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Feb 6
in
Chemical education
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45
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Calculate the standard enthalpy change for the reaction: Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2(g) Given the following standard enthalpy of formation values: ΔHf° [Fe2O3(s)] = -824 kJ/mol ΔHf° [CO(g)] = -110 kJ/mol ΔHf° [CO2(g)] = -393.5 kJ/mol ΔHf° [Fe(s)] = 0 kJ/mol.
answered
Feb 3
in
Chemical thermodynamics
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42
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Calculate the standard enthalpy change for the reaction: 2 Al(s) + 3/2 O2(g) → Al2O3(s) given the following information: ΔH°f[Al2O3(s)] = -1676.0 kJ/mol ΔH°f[Al(s)] = 0 kJ/mol ΔH°f[O2(g)] = 0 kJ/mol
answered
Feb 3
in
Chemical thermodynamics
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104
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What is the carbon footprint of a typical person in your community and what specific actions could be taken to reduce it?
answered
Jan 31
in
Environmental Chemistry
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64
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When a reaction is at equilibrium and the pressure is increased, which direction (forward or reverse) will be favored according to Le Chatelier's principle? Explain your answer using the concepts of rate of collisions and equilibrium position.
answered
Jan 30
in
Chemical reactions
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votes
79
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One possible question related to Aldehydes and ketones in Organic Chemistry for a student to solve is:What is the reaction mechanism and final products of the reaction between propanal and sodium hydroxide in the presence of water?
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Jan 21
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Organic Chemistry
0
votes
50
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What are the two types of correlation?
answered
Jan 20
in
Psychology
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votes
27
views
Who is more likely to have negative attitudes towards minority groups?
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Jan 20
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Psychology
0
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60
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What is experimental expectancy effect?
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Jan 20
in
Psychology
0
votes
77
views
Why is it important to respect others' boundaries?
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Jan 20
in
Psychology
0
votes
11
views
Where did John Bowlby conduct his research?
answered
Jan 17
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Psychology
0
votes
39
views
According to attachment theory, how does secure attachment impact an individual's mental health?
answered
Jan 17
in
Psychology
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votes
25
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What is a limitation of the gate control theory?
answered
Jan 16
in
Psychology
0
votes
31
views
What are some common errors in sampling?
answered
Jan 15
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Psychology
0
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42
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What is the role of ethics in leadership?
answered
Jan 15
in
Psychology
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