Please help I’ll give brainiest.

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

Building glycogen from glucose molecules is an example of

A50.0 ml sample of gas at 20.0 atm of pressure is compressed to 40.0 atm of pressure at constant temperature. what is the new volume? 0.0100 ml 0.325 ml 25.0 ml 100. ml