NEED ASAP !! A 4.50 L sample of dry air in a cylinder exerts a pressure of 5.00 atm at a temperature of 25 oC. Without a change in temperature, a piston is moved until the pressure in the cylinder is reduced to 1.00 atm. What is the volume of the gas?

In a sample of oxygen gas at room temperature, the average kinetic energy of all the balls stays constant. which postulate of kinetic molecular theory best explains how this is possible?

What is the number of atoms in 3.54 mol s

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.