Homework Help Question & Answers

A 1.00 × 10² g aluminum block at 100.0℃ is placed in 1.00 × 10² g of water at 10.0℃

4. A 1.00 × 10² g aluminum block at 100.0℃ is placed in 1.00 × 10² g of water at 10.0℃. The final temperature of the mixture is 26.0℃. What is the specific heat of the aluminum?


5. Three metal fishing weights, each with a mass of 1.00 × 10² g and at a temperature of 100.0℃, are placed in 1.00 × 10² g of water at 35.0℃. The final temperature of the mixture is 45.0℃. What is the specific heat of the metal in the weights?


6 0
Add a comment
✔ Recommended Answer
Answer #2

Sign Up to Unlock the answer FREE

Already have an account? Log in

SOLUTION :


4.


Heat flows from higher temperature object to lower temperature object when they come

In contact. So, heat is transferred from aluminium at 100ºC to water at 10ºC.

As per energy system, 


Heat given by aluminium = Heat taken by water.

=> ma * sa * (ti - tf) = mw * sw * (ff - ti

=> 1.00*10^2 * sa * (100 - 26) = 1*10^2 * 1.00 * (26 - 10) 

=> 74.00*10^2 sa = 16.00*10^2

=> sa = 16.00/74.00 = 0.2162 cal/(g*ºC) 


So, specific heat of aluminium is 0.2162 cal/g ºC (ANSWER)


5.


Heat flows from higher temperature object to lower temperature object when they come

In contact. So, heat is transferred from metal fishing weight at 100ºC to water at 35ºC.

As per energy system, 

Heat given by metal fishing weight = Heat taken by water.

=> mm * sm * (ti - tf) = mw * sw * (tf - ti

=> 1.00*10^2 * sm * (100 - 45) = 1*10^2 * 1.00 * (45 - 35) 

=> 55.00*10^2 sm = 10.00*10^2

=> sm = 10.00/55.00 = 0.1818 cal/(g*ºC) 


So, specific heat of metal fishing weight is 0.1818 cal/g ºC (ANSWER)

answered by: Tulsiram Garg
Add a comment
Answer #1

Sign Up to Unlock the answer FREE

Already have an account? Log in

Add a comment
Answer #3

Sign Up to Unlock the answer FREE

Already have an account? Log in

4. specific heat of aluminium is 0.2162 cal/g ºC

5. specific heat of metal fishing weight is 0.1818 cal/g ºC

answered by: Meitantei
Add a comment
Know the answer?
Add Answer to:
A 1.00 × 10² g aluminum block at 100.0℃ is placed in 1.00 × 10² g of water at 10.0℃
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coin

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
Active Questions
ADVERTISEMENT