A patient's oxygen tank holds 21.9 L of oxygen (O2) at a pressure of 24.3 atm. What is the final volume, in liters, of this gas when it is released at a pressure of 2.50 atm with no change in temperature and amount of gas?

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles

How might this scientific phenomena be explained? a paper clip floats on water.

Select the correct value for the indicated bond angle in each of the compounds. o−o−oo−o−o angle of o3 90° 109.5° < 109.5° 120° < 120° 180° f−b−ff−b−f angle of bf3 180° < 109.5° < 120° 120° 109.5° 90° f−o−ff−o−f angle of of2 < 120° 120° 90° 109.5° 180° < 109.5° cl−be−clcl−be−cl angle of becl2 90° 109.5° 180° 120° < 109.5° < 120° f−p−ff−p−f angle of pf3 90° 109.5° < 109.5° 180° 120° < 120° h−c−hh−c−h angle of ch4 90° < 109.5° 180° 120° < 120° 109.5°