5) Naphthalene is a primary component of mothballs; they readily sublime at room temperature. The hea of sublimation for naphthalene, CroHs, is 72.9 kJ/mol. How much energy is needed to sublime 15.0
grams of naphthalene? (Molar mass = 128.17 g/mol)

Which of the following statements is true about planck’s law

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?

Consider the reduction reactions and their equilibrium constants. cu+(aq)+e−↽−−⇀cu(s)pb2+(aq)+2e−↽−−⇀pb(s)fe3+(aq)+3e−↽−−⇀fe(=6.2×108=4.0×10−5=9.3×10−3 cu + ( aq ) + e − ↽ − − ⇀ cu ( s ) k =6.2× 10 8 pb 2 + ( aq ) +2 e − ↽ − − ⇀ pb ( s ) k =4.0× 10 − 5 fe 3 + ( aq ) +3 e − ↽ − − ⇀ fe ( s ) k =9.3× 10 − 3 arrange these ions from strongest to weakest oxidizing agent.