When solid ammonium carbonate is heated it decomposes to form ammonia gas,carbon di-oxide gas and water vapour.Calculate work done in open vessel when 48g ammonium carbonate decomposes at 400k. a)-400R
b)-800R
c)-600R
d)-1200R
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Answer:
The reactions that describe the decomposition of ammonium carbonate (
(
N
H
4
)
2
C
O
3
) are:
(
N
H
4
)
2
C
O
3
(
s
)
→
N
H
4
H
C
O
3
(
s
)
+
N
H
3
(
g
)
(1)
N
H
4
H
C
O
3
(
s
)
→
N
H
3
(
g
)
+
H
2
O
(
g
)
+
C
O
2
(
g
)
(2)
(
N
H
4
)
2
C
O
3
(
s
)
→
2
N
H
3
(
g
)
+
C
O
2
(
g
)
+
H
2
O
(
g
)
(3)
(1) - ammonium carbonate decomposes into ammonium bicarbonate and ammonia (
N
H
3
);
(2) - ammonium bicarbonate decomposes into carbon dioxide (
C
O
2
), water, and ammonia;
(3) - the decomposition of ammonium carbonate - total reaction;
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