A scientist tests a water sample that was collected from a river. The results of the test are: 1) The water is clear. 2) The water contains dissolved calcium. How should this water sample be classified?

8 m/s because for him to get the same amount of energy as ray is putting out, bobby, who weighs half as much as ray, needs to run twice as fast.

can you attach the

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