The specific heat capacity of liquid water is 4. 18- 2.05 J g.°C and of ice is g.°C Which of the following statements is correct? ○ If equal masses of liquid water at 20°C and ice at 50° C are mixed, the final temperature of the mixture is 35°C О If equal masses of liquid water and ice at 50°C cool down to room temperature, liquid water liberates more heat. More heat is needed to increase the temperature of 50 g of liquid water by 50° C than 50 g of ice by 50°C If the same heat is supplied to equal masses of ice and liquid water, the temperature of the water increases more.
The specific heat capacity of liquid water is 4. 18- 2.05 J g.°C and of ice is g.°C Which of the following statements is correct? ○ If equal masses of liquid water at 20°C and ice at 50° C are mixed, the final temperature of the mixture is 35°C О If equal masses of liquid water and ice at 50°C cool down to room temperature, liquid water liberates more heat. More heat is needed to increase the temperature of 50 g of liquid water by 50° C than 50 g of ice by 50°C If the same heat is supplied to equal masses of ice and liquid water, the temperature of the water increases more.
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter20: The First Law Of Thermodynamics
Section: Chapter Questions
Problem 20.7OQ: The specific heat of substance A is greater than that of substance B. Both A and B are at the same...
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Transcribed Image Text:The specific heat capacity of liquid water is 4. 18
J
2.05
J
g.˚C.
g-˚C
and of ice is
Which of the following statements is correct?
If equal masses of liquid water at 20°C and ice at 50°C are mixed, the
final temperature of the mixture is 35°C
If equal masses of liquid water and ice at 50° C cool down to room
temperature, liquid water liberates more heat.
More heat is needed to increase the temperature of 50 g of liquid water by
50°C than 50 g of ice by 50°C
If the same heat is supplied to equal masses of ice and liquid water, the
temperature of the water increases more.
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