| ⇦ | 
| ⇨ |
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: - A capacitor having a capacity of 2 μF is charged to 200V and then the plates
- Electrons with energy 80 keV are incident on the tungsten target of an X-ray tube.
- 1 curie is equal to
- Charge Q is divided into two parts which are then kept some distance apart. The force
- A capacitor of capacitance value 1 μF is charged to 30 V and the battery
Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A capacitor having a capacity of 2 μF is charged to 200V and then the plates
- Electrons with energy 80 keV are incident on the tungsten target of an X-ray tube.
- 1 curie is equal to
- Charge Q is divided into two parts which are then kept some distance apart. The force
- A capacitor of capacitance value 1 μF is charged to 30 V and the battery
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