Wine goes bad soon after opening because the ethanol ch3ch2oh dissolved in it reacts with oxygen o2 gas to form water and aqueous acetic acid ch3cooh, the main ingredient in vinegar. calculate the moles of ethanol needed to produce 1.70mol of water. be sure your answer has a unit symbol, if necessary, and round it to the correct number of significant digits.

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.