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0
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26
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How does the release of chlorofluorocarbons (CFCs) impact the ozone layer, and what are the potential consequences for atmospheric processes and human health?
answered
3 days
ago
in
Environmental Chemistry
0
votes
28
views
What is the Lewis structure of the methane (CH4) molecule, and how many covalent bonds are formed between each carbon and hydrogen atom?
answered
Feb 20
in
Chemical bonding
0
votes
31
views
How can we design a storage and transportation system for hazardous chemicals that minimizes the risk of leaks, spills, or accidents while also ensuring efficient and cost-effective handling?
answered
Feb 12
in
Chemical engineering
0
votes
37
views
How can chemistry teachers effectively engage their students in the learning process and provide hands-on experimentation opportunities, given limited resources and funding for materials?
answered
Feb 5
in
Chemical education
0
votes
53
views
Calculate the heat of adsorption of hydrogen gas on a platinum surface given the initial temperature of the system is 298 K and the final temperature is 330 K. The mass of the platinum surface used is 5 grams, and the amount of hydrogen adsorbed is 0.01 moles. Assume the heat capacity of the system is constant at 25 J/K.
answered
Jan 23
in
ThermoChemistry
0
votes
61
views
Calculate the enthalpy of adsorption for the adsorption of 5 grams of hydrogen gas on a solid adsorbent at a temperature of 298 K, if the pressure of hydrogen gas is 2.5 atm and the volume of the adsorbent is 100 cm3. Assume ideal gas behavior and use the equation ΔH = -q/n, where ΔH is the enthalpy of adsorption, q is the heat absorbed, and n is the number of moles of gas adsorbed.
answered
Jan 23
in
ThermoChemistry
0
votes
65
views
What is the pH of a 0.1 M solution of hydrochloric acid, assuming that the acid completely ionizes in water?
answered
Jan 21
in
Inorganic Chemistry
0
votes
44
views
What is the main focus of the cognitive-behavioural approach?
answered
Jan 20
in
Psychology
0
votes
30
views
Who proposed the zone of proximal development?
answered
Jan 20
in
Psychology
0
votes
46
views
When was schema theory proposed?
answered
Jan 17
in
Psychology
0
votes
21
views
What is the neurobiological model of pain?
answered
Jan 16
in
Psychology
0
votes
46
views
Who proposed the Theory of Resilience?
answered
Jan 16
in
Psychology
0
votes
52
views
How does cognitive-behavioural therapy (CBT) treat anxiety disorders?
answered
Jan 15
in
Psychology
0
votes
35
views
Who is considered the founder of scientific psychology?
answered
Jan 15
in
Psychology
0
votes
30
views
What is informed consent?
answered
Jan 14
in
Psychology
0
votes
49
views
What is the role of the prefrontal cortex in sleep?
answered
Jan 14
in
Psychology
0
votes
70
views
What is the meaning of cultural safety?
answered
Jan 14
in
Psychology
0
votes
31
views
What is the difference between positive psychology and traditional psychology?
answered
Jan 14
in
Psychology
0
votes
36
views
What is the difference between systematic desensitisation and flooding?
answered
Jan 14
in
Psychology
0
votes
31
views
What is the main criticism of Positive Psychology?
answered
Jan 13
in
Psychology
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