An engineer is designing a wire using an unknown material that will carry large amounts of electricity. The resistive heating of a 57.56 g wire is expected to add 491 J of heat energy during a 23-minute operating cycle.

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
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An engineer is designing a wire using an unknown
material that will carry large amounts of electricity. The
resistive heating of a 57.56 g wire is expected to add
491 J of heat energy during a 23-minute operating
сycle.
What is the temperature increase of the wire?
You may use the following information about the
unknown material to answer the question:
Specific Heat = 0.346 J g1 °C-1
Density = 8.96 g/cm3
Coefficient Thermal Expansion = 6.4 um m1 K1
%3D
Transcribed Image Text:An engineer is designing a wire using an unknown material that will carry large amounts of electricity. The resistive heating of a 57.56 g wire is expected to add 491 J of heat energy during a 23-minute operating сycle. What is the temperature increase of the wire? You may use the following information about the unknown material to answer the question: Specific Heat = 0.346 J g1 °C-1 Density = 8.96 g/cm3 Coefficient Thermal Expansion = 6.4 um m1 K1 %3D
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