Calcium carbonate reacts with hydrochloric acid (hcl) to produce calcium chloride, water and carbon dioxide. you need to have 267 grams of carbon dioxide for another process, so you need to start with __ mol hydrochloric acid.
__ caco3 + __ hcl → __ cacl2 + __ h2o + __ co2

Which compounds have the empirical formula ch2o? a.c2h4o2 b.c3h6o3 c.ch2o2 d.c5h10o5 e.c6h12o6

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

Place the elements below in order of decreasing ionization energy. aluminum(al) chlorine(cl) magnesium (mg) sulfur(s)