Which of the following are balanced equations? Check all that apply. A. Zn(s) + HCl(g) → ZnCl (s) +H (8)

B. 2Na(s) + MgF2 → 2NaF(s) + Mg(s) +

c. Na(s) + MgF2 → 2NaF(s) + Mg(s) 2

D. 4Na(s) + O2(8) ► 2NaO

Which molecules are more strongly attracted to one another -c3h8o molecules that make up liquid rubbing alcohol or ch4 molecules that make up methane gas

Which characteristics affect ocean water’s temperature? check all that apply. depth location mass salinity waves

An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample? a. naphthalene, a molecular solid with the formula c10h8 b. silica, a network solid held together by covalent bonds with the formula sio2 c. calcium chloride, an ionic compound with the formula cacl2 d. water, an molecular compound with the formula h2o