Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Medical
  • A sample of   of <img alt="\mathrm{H_2O}" src="https://entrancecorner.

A sample of \mathrm{18\ g}  of \mathrm{H_2O} is slowly heated from \mathrm{300\ K} to \mathrm{400\ K}. Calculate the change in entropy (in J/K) during heating

(Given : specific heat of water is  \mathrm{4200 \frac{J}{kg. K}})

Option: 1

7.81


Option: 2

21.75


Option: 3

-7.81


Option: 4

36.25


Answers (1)

best_answer

As we learnt,

\mathrm{\Delta S=m\times C_P\times In\frac{T_{2}}{T_{1}}}

\Rightarrow \mathrm{\Delta S=\frac{18}{1000}\times 4200\times In\; \frac{400}{300}}

\Rightarrow \mathrm{\Delta S=21.75\; J/K}

 

Posted by

Divya Prakash Singh

View full answer

NEET 2024 Most scoring concepts

    Just Study 32% of the NEET syllabus and Score up to 100% marks

Similar Questions

Trending Articles/News

anam-khan

NEET UG 2026 correction facility opens at neet.nta.nic.in; exam on May 3
anam-khan

NEET 2026 LIVE: NTA application correction window closes today; admit card, exam dates, pattern
anam-khan

NEET 2026 registration deadline extended to March 11 for MBBS, BDS; exam on May 3

Latest Question