SAT Subject Test Chemistry,10 edition

Questions   19–23

17 .    Commonly    forms   ionic   compounds   as  a   −1  anion

18 .    Has the highest ionization  energy  of  the elements    listed

(A) Ag+ (aq) + Cl− → AgCl(s)
(B) C 5 H 12 (s) + 8 O 2 (g) → 5 CO 2 (g) + 6 H 2 O (l)
(C) NH 3 (s) + H 2 O (s) NH 4 + (s) + OH− (s)
(D) HC 2 H 3 O 2 (l) + OH− (aq) → H 2 O (l) + C 2 H 3 O 2 −(aq)
(E) CaCO 3 (s) → CaO (s) + CaO 2 (g)

19 .    Most    likely  to  proceed with    a   decrease    in  entropy

20 .    The most    exothermic  of  the reactions   written

21 .    An  acid-base   neutralization  reaction

22 .    A   precipitation   reaction

23 .    A   decomposition   reaction