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Byju's Answer
Standard XII
Chemistry
Nitric Acid
S+3/2O2→ SO3+...
Question
S+3/2O2→ SO3+2x Kcal ;(2) SO2+1/2 O2 → SO3+Y Kcal the heat of formation of SO2 i
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Q.
In the reaction : S + 3/2
O
2
→
S
O
3
+ 2x kcal and
S
O
2
+
1
/
2
O
2
→
S
O
3
+ y kcal, heat of formation of
S
O
2
is:
Q.
S
+
3
2
O
2
→
S
O
3
+
2
x
kcal;
S
O
2
+
1
2
O
2
→
S
O
3
+
y
kcal
The heat of formation of
S
O
2
is:
Q.
Given:
S
+
3
2
O
2
⟶
S
O
3
+
2
x
k
c
a
l
S
O
2
+
1
2
O
2
⟶
S
O
3
+
y
k
c
a
l
With the help of the above reactions, find out the heat of formation of
S
O
2
.
Q.
Given that
S
+
3
2
O
2
→
S
O
3
+
2
x
kcal
and
S
O
2
+
1
2
O
2
→
S
O
3
+
y
kcal
then, the enthalpy of formation of
S
O
2
will be:
Q.
The heat of formation of
S
O
2
is:
S
+
3
2
O
2
→
S
O
3
+
2
x
k
J
S
O
2
+
1
2
O
2
→
S
O
3
+
y
k
J
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