用公式
计算某反应在温度T的反应焓变,要求:
17.化学反应的标准摩尔反应焓随温度的变化率 dfrac (d{{Delta )_(1)}^theta }(dT)= () ,在一-|||-定的温度范围内标准摩
11.某化学反应的 Delta (H)_(298)lt 0 , Delta (S)_(298)gt 0 ,在298K时该反应有: ()-|||-
(B) (int )_(x)^x+Delta xf(t)dtlt f(x)Delta xlt 0.-|||-(C) (x)Delta xgt (int )_(x
(B) (int )_(x)^x+Delta xf(t)dtlt f(x)Delta xlt 0.-|||-(C) (x)Delta xgt (int )_(x
在等压过程中,气体吸收的热量公式为:=v(C)_(v)Delta T=v(C)_(v)Delta T=v(C)_(v)Delta T=v(C)_(v)Delta
2.13 已知下列反应在298K时的标准摩尔焓变:-|||-(1) (C)_(2)(H)_(2)(g)+5(O)_(2)(g)=4C(O)_(2)(g)+2(H
Delta (H)_(1)=akJcdot (mol)^-1-|||-反应Ⅱ: (g)+(H)_(2)O(g)leftharpoons C(O)_(2)(g)+
2、反应NH4HS(s )已 )+(H)_(2)S(g) 的 Delta (H)_(m)(298K)=93.72kJcdot mo(l)^-1, 设 Delta
C6H5-CH2CH2× +H×-|||-_(6)(H)_(5)-C(H)_(2)C(H)_(3)-|||-反应历程乙苯脱氢制苯乙烯反应的焓变Delta H_(