Thermodynamics and Final Temperature
Chapter 6-9
University of Arkansas at Little Rock
Dr. Robert Belford and Casey Hawkins
ΔH
f
=6.02kJ/mol,ΔH
v
=40.6kJ/mol, c
water
=4.184J/g-C,c
ice
=2.01J/g-C,c
steam
=2.06J/g-C,
Question 1
If 500.0J is added to 25.0g of water at
-25.0
o
C, what is the final temperature?
(A)
-15.0
o
C
(B)
-15.3
o
C
(C)
-20.2
o
C
(D)
None of the above
Hint
Your response
Not answered yet
Question 2
If 6.67kJ is added to 25.0g of water at
-25.0
o
C, what is the final temperature?(Ice is solid and liquid.)
(A)
0
o
C
(B)
137
oC
(C)
54.9
o
C
(D)
None of the above
Hint
Your response
Not answered yet
Question 3
If 17.85kJ is added to 25.0g of water at
-25.0
o
C, what is the final temperature?
(A)
127
o
C
(B)
131
o
C
(C)
78.9
o
C
(D)
None of the above
Hint
Your response
Not answered yet
Question 4
If 56.38kJ is added to 25.0g of water at
-25.0
o
C, what is the final temperature?(Ice is liquid and vapor)
(A)
100
o
C
(B)
514
o
C
(C)
1097
o
c
(D)
None of the above
Hint
Your response
Not answered yet
Question 5
If 7784kJJ is added to 25.0g of water at
-25.0
o
C, what is the final temperature?
(A)
108
o
C
(B)
39.9
o
C
(C)
127
o
C
(D)
None of the above
Hint
Your response
Not answered yet