(A)
(B)
(C)
(D)
(E)
59 . This nuclear reaction is an example of
(A) α decay
(B) β− decay
(C) β+ decay
(D) fusion
(E) γ decay60 . Water is formed by the addition of 4.0 g of H 2 (g) to an excess of O 2 (g). If 27 g of H 2 O is
recovered, what is the percent yield for the reaction?
(A) 25%
(B) 50%
(C) 75%
(D) 100%
(E) Cannot be determined61 . For which of the following is there an increase in entropy?