Cuando se queman combustibles que tienen algún compuesto de azufre se produce dióxido de azufre (), un gas irritante que puede provocar lluvia ácida. En el análisis del aire de una ciudad se ha encontrado una concentración de de 14 .
¿Qué cantidad de habrá en 1 L de aire?

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?