CHM271 CHAPTER 6 PHASE EQUILIBRIUM
Authored by Nursjanrah Nurdin
Chemistry
University
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22 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a "phase" in a phase equilibrium system?
A chemical compound
A physical state with uniform properties
A homogeneous mixture
A heterogeneous mixture
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following has 3 phases present?
Water and ethanol
Ice and steam
Ice, water, and steam
Salt in water
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many components are in the water-ice-steam system?
0
1
2
3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for Gibbs Phase Rule?
f = p – c + 2
f = c + p – 2
f = c – p + 2
f = c × p + 2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a single-phase system of water, the degree of freedom is:
0
1
2
3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the degrees of freedom at the triple point of water?
Becomes 3
Becomes 1
Becomes 2
Becomes 0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the CO₂ phase diagram, what happens at 1 atm pressure?
CO₂ melts
CO₂ sublimates
CO₂ boils
CO₂ condenses
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