Avoltaic cell differs from an electrolytic cell in that in a voltaic cell
a. energy is produced when the reaction occurs
b. energy is required for the reaction to occur
c. both oxidation and reduction occur
d. neither oxidation nor reduction occurs

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.

How do dying stars contribute to the formation of planets

What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm