The product from the hydration of an alkene is mixed with acidified aqueous KMnO4 and heat. At the end of the experiment, the colour of the KMnO4 solution is purple. Which of the following could be the alkene that was used?

A) Ethene
B) Propene
C) Isobutylene
D) 1,3-butadiene

Which characteristics can be used to differentiate star systems? check all that apply.

If i add water to oil what will happen

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.