【简答题】下列数据各包括了几位有效数字? ( 1 ) 0.0330 (2) 10.030 (3) 0.01020 (4) 8.7 × 10 -5 (5) pKa=4.74 (6) pH=10.00
【简答题】下列数据各包括了几位有效数字? (1)0.0330 (2) 10.030 (3) 0.01020 (4) 8.7×10-5 (5) pKa=4.74 (6) pH=10.00
【简答题】下列数据各包括了几位有效数字? ( 1 ) 0.0083 (2) 27.160 (3) 700.0 (4) 7.80 × 10 -5 (5) pKa=4.74 (6) pH=10.00
【简答题】下列数据各包括了几位有效数字? (1)0.0330 (2) 10.030 (3) 0.01020 (4) pKa=4.74 (5) pH=0.06
【简答题】下列数据各包括了几位有效数字? ( 1 ) 0.0330 (2) 10.030 (3) 0.01020 (4) 8.7 × 10 -5 (5) pKa=4.74 (6) pH=10.00
【单选题】下列数据各包括了几位有效数字? (1)0.0330 (2) 10.030 (3) 0.01020 (4) 8.7×10-5 (5) pKa=4.74 (6) pH=10.00
【简答题】下列数据各包括了几位有效数字? ( 1) 0.0330 (2) 10.030 (3) 0.01020 (4) 8.7 × 10 -5 (5) pKa=4.74 (6) pH=10.00
【单选题】和二进制数(10110)2等值的十进制数是( )
【判断题】正负极板各一片插入电解液中,就可获得6V的电动势
【多选题】The desire for an escape from society and a return to nature became a permanent convention of American literature, evident in _________ .
A.
James Fenimore Cooper's Leatherstocking Tales
B.
Henry David Thoreau' s V/alden
C.
Mark Twain' s Huckleberry Finn
D.
Nathaniel Hawthorne's The Scarlet Letter