Question

value. 1000 points 1 out of 2 attempts Enter your answer in the provided box. A 24.90 g sample of an alloy at 93.00°c is placed into 50.0 g of water at 22.00°c in an insulated coffee-cup calorimeter with a heat capacity of 9.20 JIK. If the final temperature of the system is 31.10 C, what is the specific heat capacity of the alloy? References eBook & Resources Multipart Answer Chapter 6 Thermochemistry Energy Flow and Chemicol Chang
0 0
Add a comment Improve this question Transcribed image text
Answer #1

Heat lost by the alloy= Heat gained by the calorimeter

malloycalloydeltaTalloy = mcalorieccalorideltaTcalorie

24.90g*calloy*(93-31.10)C = 50g*9.20J/K*(304.1-295)K

24.90g*61.9C*calloy =50g*9.1K*9.20J/K

1541.31Cg*calloy=4186Jg

calloy = 2.72J/C=2.72J/C /24.90g = 0.11J/Cg

Add a comment
Know the answer?
Add Answer to:
Enter your answer in the provided box. A 24.90-g sample of an alloy at 93.00 degree...
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
  • - we provided box. A 31.5-g sample of an alloy at 93.00°C is placed into 50.0...

    - we provided box. A 31.5-g sample of an alloy at 93.00°C is placed into 50.0 g of water at 22.00°C in an insulated coffee- cup calorimeter with a heat capacity of 9.20 J/K. If the final temperature of the system is 31.10°C, what is the specific heat capacity of the alloy? g.°C

  • Q17 A 17.3−gsample of an alloy at 93.00°Cis placed into 50.0 gof water at 22.00°Cin an...

    Q17 A 17.3−gsample of an alloy at 93.00°Cis placed into 50.0 gof water at 22.00°Cin an insulated coffee-cup calorimeter with a heat capacity of 9.20 J/K.If the final temperature of the system is 31.10°C,what is the specific heat capacity of the alloy? (---------) J/g·°C

  • Enter your answer in the provided box. When 24.90 mL of 0.5000 M H SO, is...

    Enter your answer in the provided box. When 24.90 mL of 0.5000 M H SO, is added to 24.90 mL of 1.000 M KOH in a coffee-cup calorimeter at 23.50°C, the temperature rises to 30.17°C. Calculate AH of this reaction. (Assume that the total volume is the sum of the individual volumes and that the density and specific heat capacity of the solution are the same as for pure water.) (d for water -1.00 g/mL; c for wateľ= 4.184 J/g.°C.)...

  • Enter your answer in the provided box. One piece of copper jewelry at 125 degree C...

    Enter your answer in the provided box. One piece of copper jewelry at 125 degree C has exactly twice the mass of another piece, which is at 40 degree C. Both pieces are placed inside a calorimeter whose heat capacity is negligible. What is the final temperature inside the calorimeter (c of copper = 0.387 J/g middot K)? degree C

  • A 19 g sample of an alloy at 98.0°C is placed into 84.6 g of water at 22.0 °C in an insulated coffee cup with a heat cap...

    A 19 g sample of an alloy at 98.0°C is placed into 84.6 g of water at 22.0 °C in an insulated coffee cup with a heat capacity of 9.2 J/K. If the final temperature of the system is 35.0°C, what is the specific heat capacity of the alloy in J/(g.K)? Don't include units. cH2O = 4.184 J/g.K

  • Enter your answer in the provided box. A 24.0-g sample of an unknown metal at 99°C...

    Enter your answer in the provided box. A 24.0-g sample of an unknown metal at 99°C was placed in a constant-pressure calorimeter containing 60.0 g of water at 24.0°C. The final temperature of the system was found to be 28.4°C. Calculate the specific heat of the metal. (The heat capacity of the calorimeter is 12.4 J/°C.) J/g. °C

  • A 83.5 g sample of a metal alloy is heated to 88.1oC and it is then...

    A 83.5 g sample of a metal alloy is heated to 88.1oC and it is then placed in a coffee-cup calorimeter containing 30.0 g water at 15.0oC. The final temperature of the metal + water is 25.3 oC. Calculate the specific heat of metal alloy, in J/(g oC), assuming no heat escapes to the surroundings or is transferred to the calorimeter. The specific heat of water is 4.184 J/(g oC).

  • 2. (15 pts) A 83.5 g sample of a metal alloy is heated to 88.1°C and...

    2. (15 pts) A 83.5 g sample of a metal alloy is heated to 88.1°C and it is then placed in a coffee-cup calorimeter containing 30.0 g water at 15.0°C. The final temperature of the metal + water is 25.3 °C. Calculate the specific heat of metal alloy, in J/(g°C), assuming no heat escapes to the surroundings or is transferred to the calorimeter. The specific heat of water is 4.184 J/(g°C).

  • 3 attempts left Check my work Enter your answer in the provided box. A 52.0-g sample...

    3 attempts left Check my work Enter your answer in the provided box. A 52.0-g sample of an unknown metal at 99°C was placed in a constant-pressure calorimeter containing 80.0 g of water at 24.0°C. The final temperature of the system was found to be 28.4°C. Calculate the specific heat of the metal. (The heat capacity of the calorimeter is 14.4 J/°C.) Book J/g °C Ferences

  • Enter your answer in the provided box. At a local convenience store, you purchase a cup...

    Enter your answer in the provided box. At a local convenience store, you purchase a cup of coffee, but, at 98.4°C, it is too hot to drink. You add 41.7 g of ice that is −2.2°C to the 248 mL of coffee. What is the final temperature of the coffee? (Assume the heat capacity and density of the coffee are the same as water and the coffee cup is well insulated.)

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