| ⇦ | 
| ⇨ |
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 particle is moving such that its position coordinates (x,y) are (2 m,3 m) at time
- Two bulbs 40 watt and 60 watt and rated voltage 240 V are connected in series
- An ideal black body is equivalent to
- When you make ice cubes, the entropy of water
- A radioactive substance decays to 1/16th of its initial activity in 40 days.
Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A particle is moving such that its position coordinates (x,y) are (2 m,3 m) at time
- Two bulbs 40 watt and 60 watt and rated voltage 240 V are connected in series
- An ideal black body is equivalent to
- When you make ice cubes, the entropy of water
- A radioactive substance decays to 1/16th of its initial activity in 40 days.
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