A sample of a compound weighing 416 grams decomposes into 143 grams of iron and 273 grams of chlorine. The percent composition of these products is *blank* iron and *blank* chlorine. Using these values, we can determine that the empirical formula of the compound is Fe*blank* Cl *blank*

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

Explain what happens at the saturation point when adding salt to water at room temperature.

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.