1. The following is the reaction that occurs in automobile airbags: 2NaN3(s) → 2Na(s) + 3N2(g) How many grams of sodium azide (NaN3) are required to produce 15.00 L of N2 at 293K
and 785 mm Hg?

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

Displacement is the slope of a velocity vs. time graph a. true b. false

Which of the following units is not an official si unit