28 moles of butane and 228 moles of oxygen are used in the following reaction. Identify the limiting reagent.
C4H8 + O2 + CO2 + H2O

-butane
-oxygen
-either of the two reactants can be used as a limiting reagent
-none of the above

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.