Get started!
Stage 1
Answer 3 questions correctly in a row.

Helium gas is added to the oxygen tanks of deep- sea divers. Helium's low density makes the gas easier to breathe at extreme depths.
(
He
)
How many liters are occupied by 0.1072 moles of gas at standard temperature and pressure (STP)? Assume that exhibits ideal gas behavior. Ideal gases have a molar volume of 22.4 liters per mole, which we treat as an exact value.
He
He
Write your answer to the correct number of significant figures. Round if necessary.
ref_doc_title.
Jumping to stage 1 of 1
Excellent!
Now entering the Challenge Zone—are you ready?
