three grams of water (3.00 cm^3) at 24 C is converted to volume 185 of steam at constant atmospheric pressure. what is the change in internal energy of the system

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

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

Describe cytokinesis in plants and animals. in animals: in plants.