Na eletrólise de uma soluçao aquosa diluida de acido sulfurico: a) quais são os gases produzidos? b)O que ocorre com a concentração da solução? c) Escreva a equaçao global.

This chart represents the melting point of several substance. what besy explains the high melting point of the salt?

Explain what happens at the saturation point when adding salt to water at room temperature.

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, .)