How many grams of water are produced from 20.0g of methane (CH.)?

Draw metallic bonding if two copper

Is a pencil falling to the floor anon contact force, a force, or a contact force

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u.s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?