How many grams of aluminum does the student have
The density of aluminum is 2.7 g/cm3. An ecology-minded student has gathered 126 empty aluminum cans for recycling. If there are 21 cans per pound, how many grams of aluminum does the student have?
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A 2.9 kg collar is free to slide on a rough rod rotating in the horizontal plane. The collar's radial position along the rod is governed by r(t) = (0.10+0.32et) m, and its angular position is described by θ(t) = ωt rad, where ω = 2.
Ethyl alchol (a liquid) C2H6O, burns in air to producce carbon dioxide and gaseous water.
A nonconducting circular disk, of radius R, carries a uniformly distributed electric charge Q. The plate is set spinning with angular velocity w about an axis perpendicular to the plate through its center (Fig. 26-41). Determine (a) its magnet
This precipitate was then strongly heated in a stream of Cl2 gas to convert the AgI to AgCL,upon completion of this treatment,the precipitate weighed 0.3181g. calculate the percentage of chloride and iodide ions.
Consider a magnet moving in a coil of N, turns. This system can be modelled as mass spring damper system. The damping coefficient consist of both mechanical and electromagnetic damping.
A solution of ethanol (C2H5OH) in water is prepared by dissolving 63.0 mL of ethanol (density = 0.79 g/cm3) in enough water to make 255.0 mL of solution. What is the molarity of the ethanol in this solution?
with this in mind, explain the reason for the sequence of addition of the ether solution employed at the beginning of the formation of the Grignard reagent in the experimental procedure above.
By finding the relevant air analysis, determine the partial pressure of nitrogen in the athmosphere at 1.00bar.f a sample of air at this pressure and 10°C was put nto a rigid container and then itd temperature raised to 91°C,what would
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