Car airbags are inflated by a thermal decomposition of the sodium azide (NaN3) that yields nitrogen gas and sodium metal. 2NaN3(s)⟶2Na(s)+3N2(g) How many liters of nitrogen gas can be prepared from 2.30mol of NaN3 at 273.15K and 1.00atm. Assume ideal gas behavior.

An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.

Which sample at stp has the same number of atoms as 18 liters of ne at stp