A 125-g block of unknown substance with a temperature of 90 C is placed in a Styrofoam cup containing 0.326 kg water at 20 C. The system reaches an equilibrium temperature of 22.4 C. What is the specific heat of the unknown substance if the heat capacity of the cup is neglected? c of water = 4186 J/kg C

A 125-g block of unknown substance with a temperature of 90 C is placed in a Styrofoam cup containing 0.326 kg water at 20 C. The system reaches an equilibrium temperature of 22.4 C. What is the specific heat of the unknown substance if the heat capacity of the cup is neglected? c of water = 4186 J/kg C

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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