Carbon-12 and carbon-13 areisotopes of carbon. which of the following statements is correct? they both have seven protons in the nucleus. they both have the same mass numberthey both have seven neutrons in the nucleus. they both have the same atomic number

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?

If 16.00g of hydrogen gas reacts with 126.73g of oxygen, how many grams of water are yielded? (both reactants are completely consumed in the reaction.)

Which is the most concentratic acid