Find the emf for the cell cr(s)| cr3+(aq, 0.37 m)|| pb2+(aq, 0.0095 m)| pb(s). answer in units of v. your answer must be within ± 2.0%

Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3