The density of a 23.0% by mass ethylene glycol (c2h6o2) solution in water is 1.04 g/ml . find the molarity

Describe the forces both attractive and repulsive that occur as two atoms move closer together.

How many moles of no2 will form when 3.3 moles of cu are reacted with excess hno3?

Agust of wind blowing east pushes against a ball. when will the wind do work on the ball? when the ball moves to the east when the ball moves to the north when the ball stays in one place when the ball moves north or south