• 2022-06-08
    在标准状态和温度T时,已知反应A®2B的标准摩尔反应焓变为[img=57x30]18034b7ff0856a0.png[/img],而反应2A®C的标准摩尔反应焓变为[img=57x30]18034b7ff840c70.png[/img],则反应C®4B的标准摩尔反应焓变为:
    A: 2[img=57x30]18034b80010ca82.png[/img]+[img=57x30]18034b800907a0b.png[/img]
    B: [img=57x30]18034b80010ca82.png[/img]-2[img=57x30]18034b800907a0b.png[/img]
    C: [img=57x30]18034b80010ca82.png[/img]+[img=57x30]18034b800907a0b.png[/img]
    D: 2[img=57x30]18034b80010ca82.png[/img]-[img=57x30]18034b800907a0b.png[/img]