3.- ENTROPY EXERCISES. From the absolute entropy values calculate the standard entropy changes (ΔS °) of...

3.- ENTROPY EXERCISES.
From the absolute entropy values calculate the standard entropy changes (ΔS °) of the following reactions at 25 C

a.- CaCO₃_(s) →→→ CaO _(s) + CO₂_(g)

b.- N₂_(g) + 3H₂_(g) →→→ 2NH₃_(g)

c.- H₂_(g) + Cl₂_(g) →→→ 2HCl _(g)

TABLE OF VALUES OF STANDARD ENTROPY (S °):

COMPOUND	Standard Entropy (S°): J/ K-mol
CaCO₃_(s)	92.9
CaO _(s)	39.8
CO₂_(g)	213.6
N₂_(g)	192
H₂_(g)	131
NH₃_(g)	193
Cl₂_(g)	223
HCl _(g)	187

Expert Solution

queen_honey_blossom answered 3 years ago

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