Estons points) saved
you breathe in 7.2 l of pure oxygen at 299 k and 100 kpa to fill your lungs. how many moles of
oxygen did you take in? (use the ideal gas law and 8.31 l *pa/mol k for the gas constant).
4.0 moles
1.2 moles
0.29 moles
2.42 moles

Why are people not able to scuba dive in the deep part of the ocean

Iron (3) oxide will decompose in the presence of hydrogen gas and heater to produced iron and digydrogen monoxide white a balanced chemical equation

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°