Which element would you predict to have the highest first ionization energy? Why? a) neon or carbon

b) fluorine or francium

c) beryllium or strontium

d) iodine or fluorine

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