When a solid forms with two solutions are mixed it is a precipitate
The correct response I believe is D. The reaction rate increases because the probability of collisions increases as there are more Zn atoms to react.
Answer:
Chemical change :has change in mass, heat is needed, new element is formed, hard to reverse.......
Physicalchange:does not have change in mass, heat is not necessary, no new element is formed, easy to reverse
Yes because the wind energy can power a gas pump, then the gas would go into some form of automobile
