The reactant side of a balanced chemical equation is shown below.
PCI5 + 4H20
How many hydrogen atoms should there be on the product side in the equation?

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

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.

How do you determine the percent yield of a chemical reaction