When does a convex lens act like a magnifying glass

In a load, the load is paralel to the shaft. n a. angular n b. thrust n c radial n d. none of the above

Agas contained within a piston-cylinder assembly undergoes three processes in series: process 12: compression with pv= constant from 1 bar and 1 liter to 4 bar. process 23: constant pressure expansion to 1 liter. process 31: constant volume calculate the pressure and volume at each state, and sketch the processes on a p-vdiagram labeled with pressure and volume values at each numbered stat

How many atoms of nitrogen are in the chemical formula ni(w on