Answered: When 162.26 g of 177.3 0C water steam…

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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Question

According to healthline.com, “Research on pig skin by the Swiss Federal Laboratories for Materials Science and Technology showed that steam can penetrate the outer layer of the skin and cause severe burns on lower layers. While the outer layer does not appear to be severely damaged, the lower levels can be.” The burn is caused by the heat released when the high-temperature water steam changes to low-temperature water liquid in a short time.

When 162.26 g of 177.3 ⁰C water steam turns into 91.1 ⁰C water liquid, how much heat is going to be released? ________ kJ

0
AHvap = 40.67
kJ
mol
1
0
AHfus = 6.008
kJ
mol
, Cm, water
=
75.291
J
mol K
Cm,ice = 36.57
J
mol K
, Cm,vapor = 33.58
J
mol K

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