Which of the following compounds is a covalent (i. e., molecular) compound? which of the following does not represent a molecular compound? a. cs2 b. bai2 c. n2o4 d. pcl3

Identify the missing numbers below to show the result of multiplying the numbers (1.6 × 10-19)(5.0 × 106) = c × 10d

Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?

Which statement best describes the flow of energy in this scenario