Which of the following compounds is covalent?

Lithium and nitrogen react to produce lithium nitride:6Li (s) + N2 (g) → 2Li3N (s)How many moles of lithium nitride are produced when 0.450 mol of lithium react in this experiment?

Which of the following is the empirical formula for hexane, C6H14?

Which of the following compounds would you expect to be ionic?

Sulfur dioxide reacts with chlorine to produce thionyl chloride (used as a drying agent for inorganic halides) and dichlorine oxide (used as a bleach for wood, pulp, and textiles). If 0.400 mol of Cl2 reacts with excess SO2, how many moles of Cl2O are formed? SO2(g) + 2Cl2(g) → SOCl2(g) + Cl2O(g)

What is a correct method for determining how many grams of oxygen will react with 1.00 gram of propane? C3H8(g)  +  5 O2(g)  → 3 CO2(g)  +  4 H2O(g)

Give the formula for carbon tetrachloride.

How many moles are in 20.0 g of Na2CO3?

What type of bonding is found in the compound PCl3?

A compound with an empirical formula of C2H3Br2 has a molar mass of 373.69 g/mol. What is the molecular formula?