- A square is inscribed in a circle of radius 8cm. What is the area of square?

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What is the heat of formation of ethane, C2H6 ? What is the heat of formation of hexane, C6H14 ? What is the last letter in this sequence T, H, E, R, A, T, E, N, ? the answer could be J, T or D.? How many grams of H2 are needed to produce 10.83 g of NH3? What is the mole ratio of a compound containing 78g Potassium, 12g Carbon, and 48g Oxygen?

Answer #1| 13/02 2014 04:41