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1
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What is the phase diagram for a substance with a triple point at 2 atm and 50°C, a critical point at 70 atm and 400°C, and a normal boiling point of 100°C? Calculate the boiling point at 1.2 atm pressure.
asked
6 days
ago
in
Physical Chemistry
1
answer
71
views
A chemistry student needs to calculate the rate constant (k) for the following first-order reaction based on the given data: The half-life of the reaction is 20 seconds when the initial concentration of reactant is 0.2M. What is the rate constant of the reaction?
answered
Jan 22
in
Chemical kinetics
1
answer
40
views
How does the bystander effect impact group behaviour in emergency situations?
answered
Jan 20
in
Psychology
1
answer
20
views
How can positive psychology contribute to the prevention of mental health issues?
answered
Jan 20
in
Psychology
1
answer
19
views
How can the social identity theory be applied to workplace diversity?
asked
Jan 16
in
Psychology
1
answer
24
views
How does cognitive-behavioural therapy (CBT) improve wellbeing?
asked
Jan 15
in
Psychology
1
answer
36
views
Who developed the Ecological Systems Theory and why?
answered
Jan 15
in
Psychology
1
answer
14
views
What is the difference between a longitudinal study and a cross-sectional study?
asked
Jan 15
in
Psychology
1
answer
49
views
What is the broaden-and-build theory of positive emotions?
answered
Jan 14
in
Psychology
1
answer
7
views
What is the term for crops that are genetically modified with new genes that code for traits useful to humans?
asked
Jan 7
in
Science
1
answer
33
views
What is said about the speed of rotation in systems that create tornadoes?
answered
Jan 6
in
Science
1
answer
44
views
Many observatories are built on high mountains to avoid interference from what?
answered
Dec 31, 2024
in
Science
1
answer
7
views
What is the process by which the substances you consume are taken up by the blood?
answered
Dec 28, 2024
in
Science
1
answer
56
views
The fact that water in a reservoir is elevated above the ground means that it has what kind of energy?
asked
Dec 27, 2024
in
Science
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