Luis and Salman are trying to increase the temperature of a substance by heating it. . What is thequantity of heat in kilojoules required to raise the temperature of 1.2 kg of the substance from3°Cto 110 °C at a pressure of 1.0 atm? Please keep three significant figures.Useful information: Melting point = 293 Kheat of fusion = 3.90 x 104 J/kg.boiling point is 423 Kheat of vaporization 7.80 x 104 J/kg (at a pressure of 1.0 atm).The specific heats for the solid phase is 600 J/(kg K)The specific heats for the liquid phase is 1000 J/(kg K)The specific heats for the gaseous phase is 400 J/(kg K)

In the given question, Mass of the substance (m) = 1.2 kg Initial temperature ( T1 ) = 30 C = (3 +…

Luis and Salman are trying to increase the temperature of a substance by heating it. . What is the quantity of heat in kilojoules required to raise the temperature of 1.2 kg of the substance from3°C to 110 °C at a pressure of 1.0 atm? Please keep three significant figures.

Luis and Salman are trying to increase the temperature of a substance by heating it. . What is the quantity of heat in kilojoules required to raise the temperature of 1.2 kg of the substance from3°C to 110 °C at a pressure of 1.0 atm? Please keep three significant figures.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter21: Heat And The First Law Of Thermodynamics

Section: Chapter Questions

Problem 71PQ

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Question

Luis and Salman are trying to increase the temperature of a substance by heating it. . What is the
quantity of heat in kilojoules required to raise the temperature of 1.2 kg of the substance from3°C
to 110 °C at a pressure of 1.0 atm? Please keep three significant figures.
Useful information: Melting point = 293 K
heat of fusion = 3.90 x 104 J/kg.
boiling point is 423 K
heat of vaporization 7.80 x 104 J/kg (at a pressure of 1.0 atm).
The specific heats for the solid phase is 600 J/(kg K)
The specific heats for the liquid phase is 1000 J/(kg K)
The specific heats for the gaseous phase is 400 J/(kg K)

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