A balloon filled with helium gas has a volume of 762 mL at a pressure of 1 atm. The balloon
is released and reaches an adtitude of 6.5 km,
where the pressure is 0.5 atm. Assuming that
the temperature has remained the same, what
volume does the gas occupy at this height?
Answer in units of mL.
plz help!

Answerd. may include all of these are many definitions of bases: the  brønsted-lowry definition of acids and bases says that bases are proton acceptors.the arrhenius definition of acids and bases says that bases increase [oh⁻] in solution (thereby producing oh⁻ ions)the lewis definition of acids and bases says that bases donate electron pairs.therefore, the sensible answer is that a base may include all of the described characteristics.

Answer ozone (o3) is made of three atoms of oxygen, it is a molecule;