Cl2 + ki > kcl + choose the correct coefficients for the above equation. a. 1,2,2,1 b. 2,1,2,1 c. 1,2,1,1 d. 1,1,2,2

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