   Chapter 11, Problem 4CQ

Chapter
Section
Textbook Problem

Equal masses of substance A at 10.0°C and substance B at 90.0°C are placed in a well-insulated container of negligible mass and allowed to come to equilibrium. If the equilibrium temperature is 75.0°Q which substance has the larger specific heat? (a) substance A (b) substance B (c) The specific heats are identical. (d) The answer depends on the exact initial temperatures. (e) More information is required.

To determine
The substance of larger specific heat.

Explanation

Given Info: Mass of substance A is equal to the mass of substance B. initial temperature of substance A is 10.0°C , initial temperature of the substance B is 90.0°C and final temperature of the substance is 75.0°C .

Heat gained by one substance is heat lost by the other.

QA=QB

“Specific heat is the amount of heat required to raise the temperature of 1 kg of substance to 1°C

Conclusion:

Initial temperature of the substance A is 10.0°C and initial temperature of substance B is 90

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