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A substance at a starting temperature of 375 K is cooled to 196 K. Select ALL of the statement below that must be true. OAT is positive OAT is negative OQ is positive OQ is negative O specific heat capacity is positive O specific heat capacity is negative

A substance at a starting temperature of 375 K is cooled to 196 K. Select ALL of the statement below that must be true. OAT is positive OAT is negative OQ is positive OQ is negative O specific heat capacity is positive O specific heat capacity is negative

Physical Chemistry
Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter2: The First Law Of Thermodynamics
Section: Chapter Questions
Problem 2.12E: If the heat capacity varies withtemperature, abetter form ofequation 2.9 isto solve q=TiTfnCT-t A...
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1.A substance at a starting temperature of 375 K is cooled to 196 K. Select ALL of the statement below that must be true.

 

2. 

A substance at a starting temperature of 375 K is cooled to 196 K. Select ALL of the statement below that must be true. OAT is positive OAT is negative OQ is positive O Q is negative O specific heat capacity is positive specific heat capacity is negative
Transcribed Image Text:A substance at a starting temperature of 375 K is cooled to 196 K. Select ALL of the statement below that must be true. OAT is positive OAT is negative OQ is positive O Q is negative O specific heat capacity is positive specific heat capacity is negative
A mass of 400. g of an unknown substance releases 12,500 J of heat when it cools from 150. C to 50.0 C. What is the specific heat capacity of the substance? O 0.923 J/gC O 0.313 J/gC ○ 2.45 J/gC O 0.675 J/gC
Transcribed Image Text:A mass of 400. g of an unknown substance releases 12,500 J of heat when it cools from 150. C to 50.0 C. What is the specific heat capacity of the substance? O 0.923 J/gC O 0.313 J/gC ○ 2.45 J/gC O 0.675 J/gC
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