If 10 mL of a 100 ppm solution of benzene (dissolved in water) is placed in a 40 mL vial at 20 deg C, what will be the equilibrium air concentration

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

A40 kilogram skier starts at the top of a 12 meter high slope. at the bottom, she is travelling 10 meters per second. how much energy does she lose to friction

What is a difference between a mixture of elements and a mixture of compounds