Two species can react they come into contact with each other by
colliding the right way as nekas, they should have little aranantomenerg that is needed to break the old bond.
1.True
2.false​

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

Agraduated cylinder contains 63.0 ml of water. a piece of gold, which has a density of 19.3 g/ cm3, is added to the water and the volume goes up to 64.5 ml. calculate the mass in grams of the gold that was added to the water. explain how you got your answer.

During a car accident, a 125kg driver is moving at 31m/s and in 1.5s is brought to rest by an inflating air bag. what is the magnitude of the change in momentum to the driver