10 50 40 Liquid (brine) 30 Salt 20 Ice - 10 liquid (brine) 10 liquid (brine) -20 - 10 Ice + salt -30 -20 NaCI 10 30 H2O 100 90 70 FIGURE P2.33 Composition, weight % Temperature, °C т Temperature, °F
10 50 40 Liquid (brine) 30 Salt 20 Ice - 10 liquid (brine) 10 liquid (brine) -20 - 10 Ice + salt -30 -20 NaCI 10 30 H2O 100 90 70 FIGURE P2.33 Composition, weight % Temperature, °C т Temperature, °F
Materials Science And Engineering Properties
1st Edition
ISBN:9781111988609
Author:Charles Gilmore
Publisher:Charles Gilmore
Chapter14: Material Selection
Section: Chapter Questions
Problem 5ETSQ
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Question
Figure P2.33 shows a portion of the H2O-NaCl phase diagram .a. Using the diagram, briefly explain how spreading salt on ice causes the ice to melt. Show numerical examples in your discussion. b. At a salt composition of 10%, what is the temperature at which ice will start melting? c. What is the eutectic temperature of the ice and salt combination?
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