Answered: if a sample of aluminum at 50oC is…

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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if a sample of aluminum at 50^oC is added to 30.0 mL of water at 22^oC, and at a equilibrium the temperature of the mixture was found to be 31.0^oC, what was the mass of the aluminum?

Expert Solution

Step 1

Consider the given information is as follows;

Aluminum:

Mass of aluminum = ?

Initial temperature of aluminum $(T_{1}) = 50 ° C$

Final temperature of aluminum $(T_{2}) = 31.0 ° C$

Specific heat of aluminum (C) = $0.897 J / g ° C$

Water:

Mass of water = $Density of water \times Volume = 1.0 g / mL \times 30.0 mL = 30.0 g$

Initial temperature of water $(T_{1}) = 22 ° C$

Final temperature of water $(T_{2}) = 31.0 ° C$

Specific heat of water (C) = $4.186 J / g ° C$

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