Did you know why our skin gets wrinkly in the water? Researchers speculate that it’s the body’s biological way of getting a grip when in a slippery condition. And they found that the specific ways that human skin wrinkles are similar to river drainage systems.

15) a substance used in manufacturing gasoline consists of finely divided platinum supported on an inert solid. suppose that the platinum is formed by the high temperature reaction between platinum (iv) oxide and hydrogen gas. the other product is water. a) write and balance the equation b) how many grams of hydrogen are needed to produce 1.0 g of platinum metal? c) how many moles of water are produced at the same time? how many grams? ( show work, .)