How many moles of O₂ are needed to combine with 8.4 mole of H₂S?

10. translate each of the following chemical equations into a sentence. a. 2 zns(s) + 3 o2(g) -> 2 zno(s) + 2 so2(g) b. cah2(s) + 2 h2o(l) -> ca(oh)2 (aq) + 2 h2(g)

Which statement is best described as a atom

Match the mixture with the substance// i really need on this guys (it’s a pic btw)