What is a conversion factor? how would you use conversion factor?

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

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together

Which are forms of frozen water? check all that apply. dew frost hail rain sleet