What is the total amount of heat released in kilojoules when 28.0 g water at 65.0°C cools to form ice at –30.0° C? Use the following values for calculations, as needed. Properties of Water Specific Heats (°C) gas = 1.84 J/g°C liquid = 4.184 J/g°C solid = 2.09 J/g°C %3D Heat of Vaporization AHvap = 40.7 kJ/mol Heat of Fusion AHfus = 6.01 kJ/mol • Use a positive number for your answer. • Report your answer using three significant figures.

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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67
Но
57
58
60
63
64
66
68
69
La
Се
Pr
Nd
Pm Sm
Eu
Gd
Tb
Dy
Er
Tm
Yb
Lu
144.242
Neodymium
150.36
Samarium
162.S00
Dysprosium
168.934
Thullum
101
174.967
Lutetium
138.905
140.116
Cerium
140.908
144.913
151964
164.930
Holmium
167.259
Erbjum
157.25
158.925
Terbium
173.055
Ytterbium
100
Es
Fm
89
90
91
92
93
95
102
103
Ac
Th
Pa
Np
Pu
Am
Cm
Bk
Cf
Md No
Lr
257.095
Fermium
231036
238.029
237.048
Neptunium
244.064
243.061
Americium
227.028
251.080
247.070
Curium
247.070
Berkelium
1254)
259.101
(262)
Thorium
What is the total amount of heat released in kilojoules when 28.0 g water at 65.0°C cools to form ice at –30.0°C? Use the
following values for calculations, as needed.
Properties of Water
Specific Heats (°C)
gas = 1.84 J/g°C
liquid = 4.184 J/g°C
2.09 J/g°C
solid =
Heat of Vaporization
AHvap
40.7 kJ/mol
Heat of Fusion
AHfus
= 6.01 kJ/mol
• Use a positive number for your answer.
• Report your answer using three significant figures.
Transcribed Image Text:67 Но 57 58 60 63 64 66 68 69 La Се Pr Nd Pm Sm Eu Gd Tb Dy Er Tm Yb Lu 144.242 Neodymium 150.36 Samarium 162.S00 Dysprosium 168.934 Thullum 101 174.967 Lutetium 138.905 140.116 Cerium 140.908 144.913 151964 164.930 Holmium 167.259 Erbjum 157.25 158.925 Terbium 173.055 Ytterbium 100 Es Fm 89 90 91 92 93 95 102 103 Ac Th Pa Np Pu Am Cm Bk Cf Md No Lr 257.095 Fermium 231036 238.029 237.048 Neptunium 244.064 243.061 Americium 227.028 251.080 247.070 Curium 247.070 Berkelium 1254) 259.101 (262) Thorium What is the total amount of heat released in kilojoules when 28.0 g water at 65.0°C cools to form ice at –30.0°C? Use the following values for calculations, as needed. Properties of Water Specific Heats (°C) gas = 1.84 J/g°C liquid = 4.184 J/g°C 2.09 J/g°C solid = Heat of Vaporization AHvap 40.7 kJ/mol Heat of Fusion AHfus = 6.01 kJ/mol • Use a positive number for your answer. • Report your answer using three significant figures.
Expert Solution
Step 1

Given: Mass of water = 28.0 g.

Initial temperature of water = 65.0 oC

And final temperature of water = -30.0 oC

 

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