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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: - Which of the following is a representation of Gay-Lussac’s law
- 5 mL of N HCl, 20 mL of N/2 H₂SO₄ and 30 mL of N/3 HNO₃ are mixed together
- n-Butane and isobutane are
- which of the following molecules has trigonal planar geometry?
- The number of atoms in 0.004g of magnesium will be
Topics: Thermodynamics
(179)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following is a representation of Gay-Lussac’s law
- 5 mL of N HCl, 20 mL of N/2 H₂SO₄ and 30 mL of N/3 HNO₃ are mixed together
- n-Butane and isobutane are
- which of the following molecules has trigonal planar geometry?
- The number of atoms in 0.004g of magnesium will be
Topics: Thermodynamics (179)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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