Question

Calculate the heat energy released when 22.3 g of liquid mercury at 25.00 C is converted to solid mercury at its melting point. Number Constants for mercury at 1 atm heat capacity of Hg() 28.0 J/(mol. K) 234.32 K melting point enthalpy of fusion 2.29 kJ/mol
0 0
Add a comment Improve this question Transcribed image text
Answer #1

Molar mass of mercury = 200.592 give/mol. No.of moles is equal to 22.3/200.592 = 0.11117 mol,. H = 0.11117. * 28 *(298-234.32) = 198.22 J,. 234.32K liquid to 234.32 K solid then H. =0.11117. * 2.29. = 0.2544 KJ total heat = 0.1982. +0.2544 = 0.4532 KJ.

Add a comment
Know the answer?
Add Answer to:
Calculate the heat energy released when 22.3 g of liquid mercury at 25.00 degree C is...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT