Chemistry - Thermodynamics - II Question with Solution | TestHub
ChemistryThermodynamics - IICalculation of DSMedium2 minQB
ChemistryMediummultiple choice
Which of the following statement(s) is/are incorrect?
Options:(select one or more)
Answer:
A, C, D
Solution:
(a) The combustion is exothermic and q = w = 0, so T rises: incorrect. (b) Δ H = Δ U + Δ(PV) = 0 + 0 for an ideal gas at constant T: correct. (c) The two paths would need Δ S = 0 and Δ S > 0 for the same states: impossible, so the statement is incorrect. (d) Expansion into vacuum changes V with w = 0: incorrect. Ans: (a), (c), (d).
Stream:JEESubject:ChemistryTopic:Thermodynamics - IISubtopic:Calculation of DS
⏱ 2mℹ️ Source: QB
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