(12 )
1.
A
B C
H=+1.9 kJ
mol -1
C H++OH====H 2O H=57.3 kJ mol -1 1 mol CH 3COOH
1 mol NaOH 57.3 kJ
D 101 kPa 2 g H2 285.8 kJ
2H2g+O2g===2H 2Ol H=+285.8 kJ mol -1
2.
25
101 kPa 2C(s)O2(g)===2CO(g)
H 221 kJ mol
1
H(aq)OH(aq)===H 2O(l)
H 57.3 kJ mol
1
( )
A C 110.5 kJ mol
1
B
221 kJ mol
1
C NaOH 57.3 kJ mol
1
D NaOH 1 mol 57.3 kJ
3. A ( )
A A
H
H6
B H1H2H3H4H5H61
C C |H||H1H2H6|
D | H1H2H3||H4 H5H6|
4. ( )
A
B
C FeHCl
