A silver button battery used in a watch contains 0.75 g of zinc and can run until 80% of the zinc is consumed. (a) For how many days can the battery produce a current of 0.85 microamps (1026 amps)? (b) When the battery dies, 95% of the Ag2O has been consumed. How many grams of Ag were used to make the battery? (c) If Ag costs $23.00 per troy ounce (31.10 g), what is the cost of the Ag consumed each day the watch runs?
A silver button battery used in a watch contains 0.75 g of zinc and can run until 80% of the zinc is consumed. (a) For how many days can the battery produce a current of 0.85 microamps (1026 amps)? (b) When the battery dies, 95% of the Ag2O has been consumed. How many grams of Ag were used to make the battery? (c) If Ag costs $23.00 per troy ounce (31.10 g), what is the cost of the Ag consumed each day the watch runs?
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A silver button battery used in a watch contains 0.75 g of
zinc and can run until 80% of the zinc is consumed.
(a) For how many days can the battery produce a current of
0.85 microamps (1026 amps)?
(b) When the battery dies, 95% of the Ag2O has been consumed.
How many grams of Ag were used to make the battery?
(c) If Ag costs $23.00 per troy ounce (31.10 g), what is the cost of
the Ag consumed each day the watch runs?
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