Which of the following chemical formulas shows an ionic compound?

a.
co2

b.
n2o

c.
nacl

d.
c6h12o6

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.

What mass of glucose is produced when 54g of water react with carbon dioxide