15 POINTS Determine if the listed properties below describe an acid or a base.
1. May react with carbon dioxide or metal salts
2. Neutralized by acids
3. React with carbonates, bicarbonates, and metals
4. Turns red litmus → blue
5. Neutralized by bases

Which of these conditions most likely produces an unstable isotope?

Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump

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.