How many moles of nitrogen gas will occupy a volume of 347 mL at 6680
Torr and 27C?

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.

What is the formula of the ionic compound composed of calcium cations and chloride anions

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