| ⇦ | 
| ⇨ |
At 0⁰C, 15 gm of ice melts to form water at 0⁰C. The change in entropy is
Options
(a) zero
(b) 18.5
(c) 15
(d) None of these
Correct Answer:
18.5
Explanation:
Heat absorbed = mL cal. = mL J joule
Change of entropy ∆S = Heat/Temperature
∆S = mLJ / Temperature = (15×80×4.2) / 273
∆S = 18.46 J/K.
Related Questions: - The order of distance of an electron revolving in an atom from nucleus is
- In some region, gravitational field is zero. The gravitational potential
- Consider 3rd orbit of He⁺(helium), using non-relativistic approach, the speed
- A battery having e.m.f. 4 volt and internal resistance 0.5 Ω is connected
- The time period of a mass suspended from a spring is T. If the spring is cut into four
Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The order of distance of an electron revolving in an atom from nucleus is
- In some region, gravitational field is zero. The gravitational potential
- Consider 3rd orbit of He⁺(helium), using non-relativistic approach, the speed
- A battery having e.m.f. 4 volt and internal resistance 0.5 Ω is connected
- The time period of a mass suspended from a spring is T. If the spring is cut into four
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply