下列反应中,哪个是表示ΔH=ΔHfA、gB、r(s)的反应?()
A:
B: g(
C: q)+
D: r(
E: q)=
F: g
G: r(s)
H: 2
I: g(s)+
J: r2=2
K: g
L: r(s)
M:
N: g(s)+1/2
O: r2(l)=
P: g
Q: r(s)
R:
S: g(s)+1/2
T: r2(S)=
U: g
V: r(s)
A:
B: g(
C: q)+
D: r(
E: q)=
F: g
G: r(s)
H: 2
I: g(s)+
J: r2=2
K: g
L: r(s)
M:
N: g(s)+1/2
O: r2(l)=
P: g
Q: r(s)
R:
S: g(s)+1/2
T: r2(S)=
U: g
V: r(s)
举一反三
- 下列反应中,哪个是表示ΔH=ΔHfA、gB、r(s)的反应?() A: A、g(A、q)+B、r(A、q)=A、gB、r(s) B: 2A、g(s)+B、r2=2A、gB、r(s) C: A、g(s)+1/2B、r2(l)=A、gB、r(s) D: A、g(s)+1/2B、r2(S)=A、gB、r(s)
- 已知: Zn(s) + 1/2 O 2 (g) = ZnO(s) ∆ r H m q 1 = -351.5 kJ · mol -1 Hg(l) + 1/2 O 2 (g) = HgO(s , 红 ) ∆ r H m q 2 = -90.8 kJ · mol -1 则 Zn(s) + HgO(s , 红 ) = ZnO(s) + Hg(l) 的 ∆ r H m q 为( ) (kJ · mol -1 )
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