(57-1ow)ia I-Tlow/ HI )通 H2. t/s t/s H2(g)+I,(g)=2HI(g) HI 2HI(g）)≠H2(g)+2(g) H2,k t/s 正  逆  正  逆 H (g) I (g) 2HI(g) 2  2 2HI(g) H2 (g) + I2 (g) Conc