The steel compression ring for the piston of an automobile engine has a mass of 40 g. the ring is irradiated with neutrons until it has an activity of 2.5 ci of (t = 44.529 d) distributed uniformly throughout. the ring is installed in an engine and removed 30 days later. if the 22 l of crankcase oil has an average activity due to of 0.023 d/s per cubic centimeter, what mass (g) of steel was worn off the piston ring?
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The steel compression ring for the piston of an automobile engine has a mass of 40 g. the ring is ir...
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