Advertisers use the because companies hope that repeated exposure to their product will make people feel familiar with it and more likely to buy it.

One mole of zinc has a mass of 65.4 grams. approximately how many atoms of zinc are present in one mole of zinc? 32 × 1023 atoms 6 × 1023 atoms 66 atoms 65 atoms

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

1. list three scientific reasons cockroaches may fly.