Air bags in automobiles inflate when sodium azide, Nan3, rapidly decomposes to its component elements: 2NaN3(s)>2Na+3N2(g)
(a) How many moles of N2 are formed by the decomposition of 1.60 mol of NaN3?
(b) How many grams of NaN3 are required to form 7.00 grams of N2 gas?

Which statement best describes how atoms combine to form sodium chloride (nacl)? a. a positively charged sodium ion and a positively charged chlorine ion form an covalent bond. b. a positively charged sodium ion and a negatively charged chlorine ion form an covalent bond. c. a positively charged sodium ion and a positively charged chlorine ion form an ionic bond. d. a positively charged sodium ion and a negatively charged chlorine ion form an ionic bond.

For which one of the following reactions is the value of δh° rxn equal to δh° f for the product? a. 2 h2 (g) + o2 (g) → 2 h2o (l) b. n2 (g) + o2 (g) → 2 no (g) c. 2 h2 (g) + o2 (g) → 2 h2o (g) d. h2o (l) + 1/2 o2 (g) → h2o2 (l) e. none of the above

How does the presence of oxygen affect the chemical pathways used to extract energy from glucose?