Where possible, classify these systems as reactant-favored or product-favored at
ID: 832450 • Letter: W
Question
Where possible, classify these systems as reactant-favored or product-favored at 298 K. If the direction cannot be determined from the information given, classify the reaction as "Insufficient information".
a.) 2A(g)+B(g) ----> C(g)
<----
Delta H = +235KJ
b.) 2A(g)+B(s) ----> C(g)
<----
Delta H = -193KJ
c.) A(g)+B(g) ----> C(g)
<----
Delta H = -97KJ
d.) 2A(g)+2B(g) ----> 5C(g)
<----
Delta H = +313KJ
Explanation / Answer
When Delta H = -ve, it implies loss of energy and molecule becomes more stable.
a.) 2A(g)+B(g) ----> C(g)
<----
Delta H = +235KJ Hence, Reactant favoured.
b.) 2A(g)+B(s) ----> C(g)
<----
Delta H = -193KJ Hence, Product favoured.
c.) A(g)+B(g) ----> C(g)
<----
Delta H = -97KJ Hence, Product favoured.
d.) 2A(g)+2B(g) ----> 5C(g)
<----
Delta H = +313KJ Hence, Reactant favoured.
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