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Answers by Kurt09Q6154
0
votes
23
views
What is the effect of doubling the concentration of reactants on the reaction rate for the chemical reaction between sodium thiosulfate and hydrochloric acid?
answered
3 days
ago
in
Chemical kinetics
0
votes
26
views
What is the equilibrium constant, Kw, for the ionization of water at 25°C if the concentration of H+ ions is 1 x 10^-7 M?
answered
5 days
ago
in
Chemical equilibrium
0
votes
32
views
How does the choice of diisocyanate and polyol affect the properties of the synthesized polyurethane? Conduct a comparative study on the properties of the polyurethane synthesized using different combinations of diisocyanate and polyol.
answered
Feb 18
in
Chemical synthesis
0
votes
23
views
How does the addition of a catalyst affect the equilibrium position of a chemical reaction?Include an example with a balanced chemical equation and calculations to support your answer.
answered
Feb 17
in
Chemical equilibrium
0
votes
31
views
How do protein-protein interactions and complexes contribute to the stability and functionality of biological systems?
answered
Feb 14
in
BioChemistry
0
votes
9
views
How can we optimize the design of a cosmetic production system to minimize waste and increase efficiency while ensuring the quality and safety of the final product?
answered
Feb 14
in
Chemical engineering
0
votes
9
views
How can we design and synthesize new molecules with improved efficacy and safety for the treatment of hypertension, a major risk factor for cardiovascular diseases?
answered
Feb 12
in
Medicinal Chemistry
0
votes
45
views
How can we design an interactive approach to enhance basic chemistry knowledge among individuals with limited exposure to chemistry in everyday life?
answered
Feb 12
in
Chemical education
0
votes
12
views
How can the properties of a polymer be optimized during the manufacturing process to achieve desired mechanical, thermal, and chemical properties?
answered
Feb 10
in
Polymer Chemistry
0
votes
40
views
Calculate the standard enthalpy change for the neutralization of hydrochloric acid (HCl) with sodium hydroxide (NaOH) in aqueous solution when 50.0 mL of 0.100 M HCl was used and 75.0 mL of 0.075 M NaOH was added. Assume that the specific heat capacity of the solution is 4.18 J/g·K and the density of the solution is 1.00 g/mL.
answered
Feb 3
in
Chemical thermodynamics
0
votes
42
views
How does changing the pH of a solution affect the equilibrium position of an acid-base reaction, and what factors influence this effect? Provide examples of acid-base equilibria and their changes in equilibrium position with changes in pH.
answered
Feb 3
in
Chemical equilibrium
0
votes
69
views
Calculate the amount of heat released when 10.0 g of methane gas (CH4) is burned in excess oxygen at constant pressure, given that the enthalpy of combustion of methane is -890.3 kJ/mol.
answered
Jan 23
in
Physical Chemistry
0
votes
70
views
A 0.25 mol/L solution of ethanoic acid (CH3COOH) is mixed with a 0.40 mol/L solution of sodium acetate (CH3COONa). The equilibrium constant for the reaction CH3COOH + NaCH3COO ⇌ CH3COONa + H2O is 1.8 x 10^-5. What is the concentration of CH3COONa at equilibrium?
answered
Jan 22
in
Chemical equilibrium
0
votes
85
views
What is the incentive-sensitization theory of addiction?
answered
Jan 20
in
Psychology
0
votes
36
views
How does the social identity model of deindividuation effects SIDE explain the role of anonymity and group membership in online aggression?
answered
Jan 20
in
Psychology
0
votes
49
views
Where does the debate between nature and nurture theories take place?
answered
Jan 20
in
Psychology
0
votes
46
views
When was the theory of evolution published?
answered
Jan 16
in
Psychology
0
votes
50
views
Please evaluate the levels-of-processing framework.
answered
Jan 16
in
Psychology
0
votes
76
views
What is the strengths of the integrative approach?
answered
Jan 16
in
Psychology
0
votes
14
views
According to the biological model, what is the cause of anxiety disorders?
answered
Jan 16
in
Psychology
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