Key words why a rusty nail is chemical

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

What will most likely happen when two bromine atoms bond together?

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