The graph shows a heat curve for an unidentified substance discovered by the Mars rover. 400 380 360 340 320 300 - 280 260 240 220 - 200 180 160 140 - 120 - 100 80 - 60 - 40 20 - -20 - 40 - -60 - -80 40 80 120 Heat (J) What is the temperature of fusion, Tusion, Of the substance? Tfusion 80 °C What is the temperature of vaporization, Tyapor, of the substance? Temperature (°C)

Chemistry
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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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The graph shows a heat curve for an unidentified substance discovered by the Mars rover.
400
380
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260
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-20
-40
-60
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Heat (J)
What is the temperature of fusion, Trusion, of the substance?
Tfusion
80
°C
What is the temperature of vaporization, Tvapor, of the substance?
Temperature (°C)
Transcribed Image Text:The graph shows a heat curve for an unidentified substance discovered by the Mars rover. 400 380 360 340 320 300 280 260 240 220 200 180 160 140 120 100 80 60 40 20 -20 -40 -60 -80 40 80 120 Heat (J) What is the temperature of fusion, Trusion, of the substance? Tfusion 80 °C What is the temperature of vaporization, Tvapor, of the substance? Temperature (°C)
What is the temperature of vaporization, Tyapor, Of the substance?
Tvapor
280
°C
Given a 89.8-g sample of this substance with a specific heat of 51.3 J/(kg.°C), how much heat is required to change its
temperature from 180.0 °C to 250.0 °C?
Q =
119953.28
J
Transcribed Image Text:What is the temperature of vaporization, Tyapor, Of the substance? Tvapor 280 °C Given a 89.8-g sample of this substance with a specific heat of 51.3 J/(kg.°C), how much heat is required to change its temperature from 180.0 °C to 250.0 °C? Q = 119953.28 J
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