题目内容
【题文】高温下2HBr(g)
H 2(g)+Br 2(g); △H>0,达到平衡时,要使混合气体颜色加深,可采取的方法
2021-09-13
A.升高温度
B.降低温度
C.减小压强
D.增大H2浓度
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