1. How many grams are in 3.67 x 10-12 molecules of ZnCl,? 2. How many grams are in 12.96 x 1036 atoms of Au?
3. How many atoms are in 5.83 g Pb?
4. How many particles are in 25.76 g of Al2(SO4)3

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

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years