What is the specific angle for the rombus
Question: If you construct a 12 faced polyhedron of all congruent rhombi, where at each vertex either three or four angles meet. What is the specific angle for the rombus to build this object? How is it found? (vector notation prefered)
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How many liters of 0.500 M HCl(aq) are needed to react completely with 0.100 mol of Pb(NO3)2(aq), forming a precipitate of PbCl2(s)?
A plot of land is a trapezoid whose bases have lengths 80m and 110m, and whose height is 50m. if a bag of seeds covers 50 square meters, how many bags are needed to cover this plot of land?
If you have 1 gram of (-) ethyl lactate and purify it with an enantiomeric excess of 85% yields, wihout any loss of material. How many grams of the (+) enantiomer were separated?
Iron (III) oxide reacts with carbon to give iron and carbon monoxide. How many grams of C are required to react with 80.0g of Fe2O3?
If you construct a 12 faced polyhedron of all congruent rhombi, where at each vertex either three or four angles meet. What is the specific angle for the rombus to build this object? How is it found? (vector notation prefered)
Chlorine (Cl2) is a strong germicide used to disinfect drinking water and to kill microbes in swimming pools. If the product is Cl-, was the elemental chlorine oxidized or reduced?
There are four congruent circles inside the square that are all touching. The shaded region is everything but the 4 circles. What is the probability that the dart will land in a circle?
Consider quadrilateral ABCD with A = (-3,4), B = (2,6), C = (2,-1), and D = (-3,-3). Find the area and perimeter of ABCD. Please show work.
How many grams of O2 are needed to react with 25.8g of NH3? Part B: How many grams of N2 can be produced when 6.30g of O2 reacts?
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