Given the equation: I + I → I2 + 35 kcal

This equation shows that the formation of an iodine molecule is an
A) endothermic process in which energy is absorbed
B) exothermic process in which energy is absorbed
C) exothermic process in which energy is released
D) endothermic process in which energy is released

Which other elements contain the same number of outer electrons as sodium

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.

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?