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Chemistry
Chemistry
Problem
The reaction between
H
2
\text{H}_2
H
2
and
O
2
\text{O}_2
O
2
to produce water vapour is given by the equation :
2
H
2
(
g
)
+
O
2
(
g
)
⟶
2
H
2
O
(
g
)
2\text{H}_2(g) + \text{O}_2(g) \longrightarrow 2\text{H}_2\text{O}(g)
2
H
2
(
g
)
+
O
2
(
g
)
⟶
2
H
2
O
(
g
)
The work done at STP is : a.
−
2.27
J
-2.27 \text{ J}
−
2.27
J
b.
+
2.27
J
+2.27 \text{ J}
+
2.27
J
c.
−
2.27
kJ
-2.27 \text{ kJ}
−
2.27
kJ
d.
+
2.27
kJ
+2.27 \text{ kJ}
+
2.27
kJ
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