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Tardigrade
Question
Chemistry
On the basis of the following thermochemical data [ΔfG°H+(aq)=0] H2O(l)→ H+(aq)+OH-(aq);Δ H=57.32 kJ H2(g)+(1/2)O2(g)→ H2O(l); Δ H=-286.02 kJ The value of enthalpy of formation of OH- ion at 25°C is
Q. On the basis of the following thermochemical data
[
Δ
f
G
∘
H
+
(
a
q
)
=
0
]
H
2
O
(
l
)
→
H
+
(
a
q
)
+
O
H
−
(
a
q
)
;
Δ
H
=
57.32
k
J
H
2
(
g
)
+
2
1
O
2
(
g
)
→
H
2
O
(
l
)
;
Δ
H
=
−
286.02
k
J
The value of enthalpy of formation of
O
H
−
ion at
2
5
∘
C
is
2468
211
Thermodynamics
Report Error
A
−
22.88
k
J
B
−
228.88
k
J
C
+
228.88
k
J
D
−
343.52
k
J
Solution:
Consider the heat of formation of
H
2
O