If a balloon is heated, what happens to the volume of the air in the balloon if the pressure is constant? a. it decreases. b.it increases. c.it stays the same.

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

May someone me with these science questions

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.