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# Density of Fluids

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The fluid in a lead storage battery for a car has a specific gravity of 1.30, when it's fully charged and 1.15 when it's discharged. By how much does the density of the fluid change when the battery is completely run down?

##### Solution Summary

The answer addresses the relationship between the density of water, when it is both charged and discharged. By noting that the change in density is given by the change in specific gravity, the change in density of the fluid is determined, when the battery is run down.

##### Solution Preview

Since the density of water is 1 g/cm^3, the density of the fluid, when it is fully charged, is 1.3*1=1.3 g/cm^3. The density of ...

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