A recent study has revealed that chlorinated hydrocarbons, gasoline and other volatile organic compounds (VOC's) have become significant pollutants in from .

< > according to newton's third law of motion, forces always act in equal but opposite pairs. another way of saying this is for every action, there is an equal but opposite reaction.< >

the electron configuration that you gave me has 16 electrons ergo it has 16 protons ergo it is the element sulfur.

o conteúdo de calor de um sistema é igual à entalpia apenas para um sistema que é constante