2020 100
1 1 2L 4 molN26molH2 NH3
T1<T2
K1______K2 > < = _______
T2 10s 010s N2 v(N 2)______ H2
______ 1 mol V_____V (>=<) _____
___
A3vH
22vNH
3 B
C D H
2
H-H N N-H
/kJ mol -1 430 936 390
__________
3 ab
mn
a___ b ____________
112mLO
2 n _____
200mL PH______
2
(1) Na2SO
3H2SeO
3H2SeO
4
H
2SeO
3(aq)+2SO2(g)+H 2O(l)=Se(s)+2H 2SO
4(aq) H1
2H2SeO
4(aq)+Se(s)+H 2O(l)=3H 2SO
4(aq) H2
H
2SeO
4(aq)+2SO2(g)+2H 2O(l)=Se(s)+3H 2SO
4(aq) H
3
( ) 1 A
