A digital watch battery draws 0.10 milliamperes of current, which is provided by a mercury battery whose net reaction is: HgO(s) + Zn(s) → ZnO(s) + Hg(l) If a partially used battery contains 1.40 g of each of these four substances, for how many hours will the watch continue to run?
A digital watch battery draws 0.10 milliamperes of current, which is provided by a mercury battery whose net reaction is: HgO(s) + Zn(s) → ZnO(s) + Hg(l) If a partially used battery contains 1.40 g of each of these four substances, for how many hours will the watch continue to run?
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter20: Electrochemistry
Section: Chapter Questions
Problem 45A
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A digital watch battery draws 0.10 milliamperes of current, which is provided by a mercury battery whose net reaction is:
HgO(s) + Zn(s) → ZnO(s) + Hg(l)
If a partially used battery contains 1.40 g of each of these four substances, for how many hours will the watch continue to run?
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