Percent Composition Examples For each compound, clearly label the molar mass. Find the percent composition of the
underlined portion of each compound:
1. Ca(OH)2
MM:
6. H3PO4
MM:
2. Na3PO4
MM:
7. MnO4
MM
3. KCN
MM:
8. BasN2
MM:

In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided

What would happen to a volleyball left outside in the winter? o o o o a. it would expand. b. it would lose air. c. it would shrink. d. it would explode.