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!

a. energy is absorbed in the reaction.

if in a given reaction the energy of products is greater than the energy of reactants it means that reaction is endothermic and during the reaction, the energy is absorbed by reactants. in an endothermic reaction, the products have more stored chemical energy than the reactants. and in this reaction the reactants are more stable than products before the compounds with less energy are always more stable.

wher is the rest of the question

un recipient conține 6,4 moli de gaz. gazul hidrogen reprezintă 25% din totalul kilometrilor din container. în cazul în care presiunea totală este de 1.24 atm ceea ce este