| ⇦ | 
| ⇨ |
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: - In refraction, light waves are bent on passing from one medium to the second medium
- Young’s modulus of the material of a wire is 18×10¹¹ dyne cm⁻².its value in SI is
- A proton of mass 1.6×10⁻²⁷ kg goes round in a circular orbit of radius 0.10 m under
- A thermocouple is made from two metals, antimony and bismuth. If one junction
- An interference pattern was made by using red light. If the red light
Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In refraction, light waves are bent on passing from one medium to the second medium
- Young’s modulus of the material of a wire is 18×10¹¹ dyne cm⁻².its value in SI is
- A proton of mass 1.6×10⁻²⁷ kg goes round in a circular orbit of radius 0.10 m under
- A thermocouple is made from two metals, antimony and bismuth. If one junction
- An interference pattern was made by using red light. If the red light
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