Part 1 of 1 Question 1 of 7
20.0 Points
2.0 Points
U H for freezing of methanol.
True
False
Answer Key: True
Question 2 of 7
2.0 Points
U for the isothermal melting of ice is zero.
True
False
Answer Key: False
Question 3 of 7
2.0 Points
A chemical reactio
Quiz 2
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Part 1 of 1 Question 1 of 6
20.0 Points
2.0 Points
The entropy of a pure perfect crystal at 25 K is zero.
True
False
Answer Key: False
Question 2 of 6
2.0 Points
When a process has a sysS that is negative, one can conclude
3
1.) If the following statements are True, Place a T in the line before the statement. If False, place
an F. (2 points each)
T A closed system can exchange heat, work but not matter with the surroundings.
F AU for the isothermal vaporization of benzene t
Quiz 4
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Part 1 of 1 Question 1 of 5
Use the Figure below showing the variation of Gibbs Energy of a reaction mixture
for three different reactions (A, B, & C) to answer questions 1-4.
In the graphs above, refering to curve B, the
Quiz 3
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Part 1 of 1 Question 1 of 5
20.0 Points
4.0 Points
The graph above plots vapor pressure (shown as solid line) vs. mole fraction for a twocomponent system, determine the vapor pressure of pure component 1. (The dashed lines
I highlighted the answer of the Multiple choice questions in yellow
Question 1 4 / 4 pts
The equation below that best describes the first law of
thermodynamics is:
a. H = CPT
b. U = CVT
c. H = U + PV
d. G = H - TS
e. EUniverse = ESystem + ESurroundings =
1.) In the table below, fill in the columns labeled : q, w, U, H, with either a positive sign (+),
negative sign (), or zero (0) to predict the quantity for the system in each process described.
Process
q
w
U
H
Benzene freezing at its normal freezing poin
-3- Name_
1.) If the following statements are True, Place a T in the line before the statement. If False, place
an F. (2 points each)
T The equation of AG = AH TAS is derived from ASumV = ASsyS + A8511.
T For a specific compound, the molar entropy of vapo
1
1.) If the following statements are True, place a T in the line before the statement.
place an F.
T
The chemical potential is the same as its partial molar Gibbs energy.
F
In an ice/water mixture at 0C, Gice = Gwater.
F
Entropy of water increases when y
1.) If the following statements are True, Place a T in the line before the statement. If False, place an F.
F
When heat is absorbed by the system during a process, the sign of q is negative.
T
A system undergoing a reversible process may be regarded as be