Question 1
Identify a substance that is in a non-standard state.
◦ Ne
◦ O
2◦ Ca
◦ H
◦ Zn
Question 2
Which of the following processes is exothermic?
◦ the sublimation of dry ice (CO
2(
s))
◦ the breaking of a Cl-Cl bond
◦ the ionization of a lithium atom
◦ the reaction associated with D
fH° for an ionic compound