From the graph, get the amount of heat needed to change the temperature of a kilogram of pure liquid substance A from 20°C to 80°C, and use it to find the specific heat of pure liquid substance A.

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Chapter10: Thermal Physics
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From the graph, get the amount of heat needed to change the temperature of a kilogram of pure liquid substance A from 20°C to 80°C, and use it to find the specific heat of pure liquid substance A.
Below are heating curves of one kilogram of unknown pure substance A. Answer the following
questions.
100
08.
60
40
20
300 350 400 s0 500 550 600 650
700 750 800 850 900 950 1000
50
100
150
200 250
-20
Absorbed Heat (Joule)
Temperature (C)
Transcribed Image Text:Below are heating curves of one kilogram of unknown pure substance A. Answer the following questions. 100 08. 60 40 20 300 350 400 s0 500 550 600 650 700 750 800 850 900 950 1000 50 100 150 200 250 -20 Absorbed Heat (Joule) Temperature (C)
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