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User OmerFinsch09
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Answers by OmerFinsch09
0
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31
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What is the effect of varying the concentration of reactants on the reaction rate and selectivity for the synthesis of aspirin using acetic anhydride and salicylic acid as starting materials?
answered
Feb 20
in
Chemical kinetics
0
votes
27
views
What is the coordination geometry of the complex [Cu(NH3)4]SO4? Use UV-Vis spectroscopy to determine the nature of the ligand-metal coordination bond and its bonding energy.
answered
Feb 19
in
Coordination Chemistry
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votes
27
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How does the chirality of a liquid crystal affect its optic properties and how can this property be utilized in the design of liquid crystal displays (LCDs)?
answered
Feb 12
in
Physical Chemistry
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votes
37
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How can the mechanical and biocompatible properties of polymer-based biomaterials for tissue engineering be optimized to mimic the native tissues of the human body?
answered
Feb 7
in
Polymer Chemistry
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34
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How can the ionic conductivity of polymer electrolytes for batteries be improved while maintaining stability and durability?
answered
Feb 7
in
Polymer Chemistry
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votes
40
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How can the coordination number of a metal ion in a coordination compound be determined using UV-Vis spectroscopy?
answered
Feb 6
in
Coordination Chemistry
0
votes
101
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What is the amount (in grams) of pure calcium carbonate present in a sample of marble weighing 2.151 grams, assuming the marble consists entirely of calcium carbonate and using gravimetric analysis?
answered
Jan 30
in
Analytical Chemistry
0
votes
51
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Calculate the lattice energy of calcium fluoride (CaF2) given that the lattice enthalpy of formation of Ca2+ is +178 kJ/mol, the lattice enthalpy of formation of F- is -328 kJ/mol and the distance between the Ca2+ and F- ions is 231 pm.
answered
Jan 23
in
Inorganic Chemistry
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41
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A chemistry student needs to determine the specific heat capacity of a metal block. The student has the following information: the mass of the block is 75 g and its initial temperature is 25°C. The student heats the block to 100°C, and calculates that it absorbed 1500 J of heat during this process. What is the specific heat capacity of the metal block?
answered
Jan 22
in
ThermoChemistry
0
votes
67
views
What is the balanced chemical equation for the reaction between iron (III) oxide and carbon monoxide?
answered
Jan 21
in
Inorganic Chemistry
0
votes
106
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What is the net ionic equation of the reaction between potassium permanganate and oxalic acid in an acidic solution?
answered
Jan 21
in
Organic Chemistry
0
votes
58
views
How does the social learning theory explain human sexuality?
answered
Jan 20
in
Psychology
0
votes
63
views
Why is it important to seek help from a professional if you're struggling with boundary-setting?
answered
Jan 20
in
Psychology
0
votes
50
views
Why is the positive psychology approach criticised?
answered
Jan 16
in
Psychology
0
votes
107
views
How does the biopsychosocial model provide a comprehensive approach to evaluating eating disorders?
answered
Jan 16
in
Psychology
0
votes
79
views
According to ecological psychology, what is the focus of animal behaviour?
answered
Jan 16
in
Psychology
0
votes
54
views
What is an indirect influence in the Ecological Systems Theory?
answered
Jan 15
in
Psychology
0
votes
71
views
When was the Social Ecological Model developed?
answered
Jan 15
in
Psychology
0
votes
47
views
What is a p-value?
answered
Jan 14
in
Psychology
0
votes
77
views
What is the term used to describe the way in which mental processes operate outside conscious awareness?
answered
Jan 14
in
Psychology
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