An air mass of volume 6.5 x 10 to the fifth l starts at sea level, where the pressure is 775 mm hg. it rises up a mountain where the pressure is 622 mm hg. assuming no change in temperature, what is the volume of the air mass?

Write the balanced equation for a reaction between aqueous nitric acid (hno3) and solid lithium metal (this is a single replacement reaction)

Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?

What is the volume of 2.5 moles of nitrogen gas (n2)at standard temperature and pressure (stp)?