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Please Help, Chemistry question. The 5 Geometries? Government need to tell the world there are aliens already.? Write the complex number z=(-1+sqrt(3)i)^11 in polar form: z=r(cosθ+isinθ) where r = 2048
and θ = ?
The angle should satisfy 0≤θ<2π.? How to know if a compound is aromatic by just looking at the formula? CHEMISTRY? If you weigh out 2.105 grams of sand / salt mixture and end up with 1.095 grams of dry sad what is the percent of sand in their original mix?