A 25.0 L tank contains hydrogen (H2) gas at a temperature of 149 K and a pressure of 1.51 atm. How many moles of hydrogen gas is in the tank?

the atomic mass is the bottom number on the element.

-steel jelly

frequency, z, and the collision density, z, in carbon dioxide (co2), r 180 pm at 30 °c and 120 kpa

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.

what are the statements