How many moles of FeCl3 are produced when 64.0 moles of Cl2 reacts with excess
Fe?
2 Fe + 3 Cl2 --> 2 FeCl3
a) 64.0 moles
b) 0.90 moles
C) 96.0 moles
d) 42.7 moles

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