The mass of a proton is A: substantially greater than the mass of a neutron.

B: roughly equal to the mass of a neutron

C: substantially less than the mass of a neutron

D: twice the mass of a neutron

If a solution had a ph of 7 what is the solution

Fossil fuels are organic compounds that are made from

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?