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For spontaneous cooling of a hot metal rod (system) in air
Options
(a) ΔSsystem > 0,ΔSunivers < 0
(b) ΔSsystem > 0,ΔSunivers < 0
(c) ΔSsystem < 0,ΔSunivers > 0
(d) ΔSsystem < 0,ΔSunivers < 0
Correct Answer:
ΔSsystem < 0,ΔSunivers > 0
Explanation:
If heat flows from system at temperature T(system) to the surrounding at temperature T(surr) then ΔS(sys) < 0 , ΔS(surr > 0.
Related Questions: - The range of radius ratio (cationic to anionic) for an octahedral arrangement
- Which has highest pH
- Methyl bromide and ethyl bromide are mixed in equal proportion and the mixture
- Which of the following pairs of a chemical reaction is certain to result
- For isothermal change in the case of an ideal gas
Topics: Thermodynamics
(179)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The range of radius ratio (cationic to anionic) for an octahedral arrangement
- Which has highest pH
- Methyl bromide and ethyl bromide are mixed in equal proportion and the mixture
- Which of the following pairs of a chemical reaction is certain to result
- For isothermal change in the case of an ideal gas
Topics: Thermodynamics (179)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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