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Answers by MVCJohnnie50
0
votes
38
views
How does the change in pH affect the rate of reaction between hydrogen peroxide and iodide ion?
answered
Feb 22
in
Chemical kinetics
0
votes
31
views
How does the morphology and structure of a polymer membrane affect its performance in removing specific contaminants from water in a water treatment application?
answered
Feb 21
in
Polymer Chemistry
0
votes
32
views
What is the effect of the molecular weight of the polymer on the performance of its coatings and paints in terms of adhesion, scratch resistance, and durability?
answered
Feb 21
in
Polymer Chemistry
0
votes
32
views
What is the correlation between the chemical structure of existing drugs and their toxicity levels, and how can we use this information to develop safer drugs with similar therapeutic properties?
answered
Feb 19
in
Medicinal Chemistry
0
votes
60
views
How does the cooling rate affect the crystallinity and crystal morphology of a polymer?
answered
Feb 19
in
Polymer Chemistry
0
votes
38
views
How does the chiral nature of a molecule affect its photochemical properties, such as its ability to undergo photoisomerization or photodegradation, and what factors influence this relationship?
answered
Feb 18
in
PhotoChemistry
0
votes
39
views
How is nitrogen assimilation regulated in plants and what are the consequences of inadequate nitrogen assimilation on plant growth and development?
answered
Feb 14
in
BioChemistry
0
votes
41
views
What are the key characteristics of the new methods for the synthesis of zeolites and how do they compare to traditional synthesis methods in terms of efficiency, cost-effectiveness, and practicality?
answered
Feb 13
in
Materials Chemistry
0
votes
82
views
How does increasing the surface area of colloidal particles affect their stability in a solution?
answered
Feb 13
in
Physical Chemistry
0
votes
68
views
How can you design a chemical engineering system for the efficient and cost-effective production of flavors for the food industry? Consider factors such as the selection of raw materials, the optimization of processes, and the scaling up of production.
answered
Feb 12
in
Chemical engineering
0
votes
74
views
What is the role of cholesterol in maintaining the fluidity and permeability of the cell membrane?
answered
Feb 12
in
BioChemistry
0
votes
66
views
How can the synthesis of polyvinyl chloride from vinyl chloride monomer be optimized to yield a higher molecular weight and more consistent polymer chain length?
answered
Feb 11
in
Chemical synthesis
0
votes
37
views
How can the mechanical properties of polymer-based composites be optimized for aerospace applications, taking into account the requirements for weight reduction, durability, and heat resistance?
answered
Feb 10
in
Polymer Chemistry
0
votes
41
views
How can the environmental impact assessment of an industrial project be accurately determined using chemical methodologies and analysis?
answered
Feb 7
in
Environmental Chemistry
0
votes
72
views
Calculate the rate of the electrochemical reaction when a current of 2.5 A is passed through a solution of copper sulphate for 2 hours, and 4 g of copper is formed at the cathode. The atomic weight of copper is 63.5 g/mol.
answered
Feb 3
in
ElectroChemistry
0
votes
89
views
Calculate the heat energy required to sublime 25 grams of dry ice (CO2) at -78.5 °C, given the heat of sublimation for CO2 is 573 kJ/mol.
answered
Jan 23
in
ThermoChemistry
0
votes
75
views
Calculate the change in entropy (in J/K) for the following reaction at 298 K: 2CH3OH (l) + 3O2 (g) → 2CO2 (g) + 4H2O (l) Given the following standard entropy values (in J/K): CH3OH (l): 126.6, O2 (g): 205.0, CO2 (g): 213.6, H2O (l): 69.9
answered
Jan 23
in
Chemical thermodynamics
0
votes
39
views
A compound contains 42.8% carbon, 14.3% hydrogen, and 42.9% oxygen by mass. Determine its empirical formula.
answered
Jan 22
in
Inorganic Chemistry
0
votes
91
views
What is the product of the following rearrangement reaction? CH3-C(CH3)2-CH2OH → ?
answered
Jan 21
in
Organic Chemistry
0
votes
105
views
Why is cultural relativism an important concept when evaluating indigenous psychology theories?
answered
Jan 17
in
Psychology
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