1)Formula de structura a 4 compusi organici si sal denumiti.
2) 4 transformari care sa redee proprietatile chimice a substantelor incluse de la sarcina 1
3)Problema de calcul cu continut pe lung date pe scurt cu 4 operatii de calcul
4) 3 domenii de utilizare a unui compus organic

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