3. My car's hydrogen tank has a volume of 141 L. If the pressure in the tank when full is 5.25x105 torr at 25 °C, how many kg of hydrogen dose the tank hold?

colorless gas, exhibiting a blue glow when placed in an electric field

b) solid

its a type of rock

level 4 to level 2 : ))

alchemy hadn't scientific methods of study, appeal to mysticism and fantasy, the knowledge of chemistry and physics were modest at that time.

alchemy was - but as new rules were discovered it either changed into chemistry or it became "unscientific".