Given the following balanced chemical equation: 6NaBr + BazN2 --> 2Na3N 3BaBr2
How many grams of NaBr are needed to react with 2.34 g of BazNz? Round your
answer to three significant figures.

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.