How many moles of caco3 are needed to get 2.35 moles of cao

Which statement about sound is not true? a. air particles travel with sound waves. b. sound waves cannot travel through a vacuum. c. sound waves exist even if no one hears them. d. air particles vibrate along the path of a sound wave.

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

Name the intersection of plane bpq and plane cpq.