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03/10/2021 1:08 pm
Topic starter
For the reaction
C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(l)
at constant temperature, ΔH - ΔE is
(a) -RT
(b) +RT
(c) -3 RT
(d) +3 RT
1 Answer
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03/10/2021 1:10 pm
Correct answer: (c) -3 RT
Explanation:
ΔH = ΔE + ΔnRT
Δn = 3 - (1 + 5)
= 3 - 6 = -3
ΔH - ΔE = (-3RT)