A weather balloon has a maximum volume of #7.50 * 10^3# #L#. The balloon contains #195# #L# of helium gas at a pressure of #0.993# #atm#. What will be the pressure when the balloon is at maximum volume?

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Answer 1 · 2017-02-22T19:46:10

Approx. #0.03*atm.........#

We use old #"Boyle's Law"#, #P_1V_1=P_2V_2# at constant temperature.

And we solve for #P_2=(P_1V_1)/V_2=(195*Lxx0.993*atm)/(7.5xx10^3L)#

#=2.58xx10^-2*atm.#