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0
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23
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How does the reaction rate affect the safety of a chemical reaction, and what steps can be taken to ensure safe handling of the chemicals involved in the reaction?
answered
Feb 24
in
Chemical kinetics
0
votes
31
views
How does the presence of impurities affect the adsorption properties of a metal surface in a catalytic reaction?
answered
Feb 22
in
Physical Chemistry
0
votes
46
views
How does the pH level of landfill leachate affect the quality of groundwater in neighboring areas and what mechanisms are involved in the process?
answered
Feb 22
in
Environmental Chemistry
0
votes
29
views
What is the effect of temperature on the rate of the reaction between magnesium and hydrochloric acid?
answered
Feb 20
in
Chemical kinetics
0
votes
82
views
Calculate the standard heat of mixing when 50 mL of 1 M HCl is mixed with 100 mL of 1 M NaOH at 25°C. The standard heat of neutralization of 1 M HCl and 1 M NaOH is -57.32 kJ/mol.
answered
Feb 3
in
ThermoChemistry
0
votes
83
views
The problem for the student to solve could be: Using Nuclear Magnetic Resonance (NMR) spectroscopy, determine the molecular structure and functional group(s) present in an unknown organic compound with a molecular formula of C4H8O2.
answered
Jan 30
in
Analytical Chemistry
0
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89
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Calculate the enthalpy of polymerization for the formation of polyethylene from its monomer, ethylene, given the following information:- The enthalpy of formation for ethylene is -84.7 kJ/mol.- The enthalpy of combustion for ethylene is -1410.1 kJ/mol.- The enthalpy of combustion for polyethylene is -5115.0 kJ/mol.- The molar mass of ethylene is 28.05 g/mol, and the molar mass of polyethylene is 28,000 g/mol (assume the polymer has an average degree of polymerization of 1000).
answered
Jan 23
in
ThermoChemistry
0
votes
107
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A chemistry student wants to see the effect of adding a specific buffer on the equilibrium position of a 0.1 M acetic acid (CH3COOH) and 0.1 M sodium acetate (CH3COONa) solution. If the initial pH of the solution is 4.7, what is the pH of the solution after adding the buffer? (Ka of acetic acid is 1.8 x 10^-5).
answered
Jan 22
in
Chemical equilibrium
0
votes
76
views
According to the metaphor theory of language, how do we understand metaphorical language?
answered
Jan 20
in
Psychology
0
votes
97
views
What is the cognitive-behavioural model of eating disorders?
answered
Jan 20
in
Psychology
0
votes
39
views
According to discursive psychology, what is 'discourse analysis'?
answered
Jan 15
in
Psychology
0
votes
63
views
Who developed the theoretical orientation of gestalt therapy?
answered
Jan 15
in
Psychology
0
votes
99
views
How does cognitive dissonance theory explain the relationship between attitudes and behaviour?
answered
Jan 15
in
Psychology
0
votes
98
views
Please compare and contrast verbal and nonverbal communication?
answered
Jan 15
in
Psychology
0
votes
49
views
What is trauma-focused psychotherapy?
answered
Jan 14
in
Psychology
0
votes
94
views
What is mindfulness?
answered
Jan 14
in
Psychology
0
votes
41
views
What is the attachment style theory?
answered
Jan 13
in
Psychology
0
votes
49
views
What is the role of family in teenage development?
answered
Jan 13
in
Psychology
0
votes
43
views
Which planet is the kuiper belt closest to?
answered
Jan 8
in
Science
0
votes
87
views
Where is pedocal soil commonly found?
answered
Jan 8
in
Science
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