Decomposing calcium carbonate yields calcium oxide and carbon dioxide. What information is needed to calculate the mass of calcium oxide that can be produced from 4.7 kg of calcium carbonate? A. The balanced chemical equation
B. Molar mass of calcium carbonate
C. Number of molecules of calcium carbonate
D. Molar masses of calcium carbon and oxygen

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

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?

Pinene is an unsaturated hydrocarbon found in pine resin. if pinene has m+ = 136 and contains 1 double bond(s) and 2 ring(s); what is its molecular formula? enter the formula in the form ch first, then all other atoms in alphabetical order; do not use subscripts. the formula is case-sensitive