What are most semiconductors made from? iron copper aluminum silicon

12.00 moles of naclo3 will produce how many grams of o2? a) 256 g of o2 b) 576 g of o2 c) 288 g of o2

Which of the following statements is false regarding aromaticity? a. the compound must be cyclic b. the compound must be fully conjugated c. the compound must be planar d. the number of electrons in the pi system must satisfy the hückel 4n+2 rule e. the compound must have a neutral charge

Which piece of equipment would me most useful for measuring the volume of some water? a. pan balance b. graduated cylinder c. tweezers d. flask quick