At 20 c an aluminum ring has an inner diameter of 5.000 cm, and abrass rod has a diameter of 5.050 cm. keeping the brass rodat 20 c, what temperature of the ring will allow the ring to justslip over the brass rod? (αal = 2.4 x 10^-5/c) (αbrass = 1.9 x10^-5/c)
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State the formula for density in words and mathematical symbols

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g