Energy lost as both heat and work Energy lost only as heat ell (a) (b) Charged battery Heat Energy AE lost by battery Heat Work Discharged battery
Energy lost as both heat and work Energy lost only as heat ell (a) (b) Charged battery Heat Energy AE lost by battery Heat Work Discharged battery
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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Question
If the battery is defined as the system,
what is the sign on w in part (b)?▲ Figure 5.10 Internal energy is a state
function, but heat and work are not. (a) A
battery shorted out by a wire loses energy to
the surroundings only as heat; no work is
performed. (b) A battery discharged through
a motor loses energy as work (to make the
fan turn) and also loses some energy as heat.
The value of ΔE is the same for both
processes even though the values of q and w
in (a) are different from those in (b).

Transcribed Image Text:Energy lost as both heat and work
Energy lost only as heat
ell
(a)
(b)
Charged battery
Heat
Energy
AE lost by
battery
Heat
Work
Discharged battery
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