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24/09/2021 2:49 pm
Topic starter
If a reaction involves only solids and liquids which of the following is true?
(a) ΔH < ΔE
(b) ΔH = ΔE
(c) ΔH > ΔE
(d) ΔH = ΔE + ΔnRT
1 Answer
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24/09/2021 2:52 pm
Correct answer: (b) ΔH = ΔE
Explanation:
ΔH = ΔE + PΔV, for solid and liquid, ΔV = 0 or ΔH = ΔE + ΔnRT, for solids and liquids Δn = 0.