HomeworkLib
Question

PROBLEMS: SHOW YOUR WORK 1. A freezer is used to freeze 1 kg of water completely into ice. The water and the freezer remain at a constant temperature of 0°C. a. Determine the change in entropy of the water Ans. b. Determine the change in entropy of the freezer.
science   physics   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

sev T-273 K -1230 77 273 1 2了0.77

0 0
Add a comment
Know the answer?
Add Answer to:
PROBLEMS: SHOW YOUR WORK 1. A freezer is used to freeze 1 kg of water completely...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

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

  • A freezer is used to freeze 1 kg of water completely into ice. The water and...

    A freezer is used to freeze 1 kg of water completely into ice. The water and the freezer remain at a constant temperature of 0°C. 1. a. Determine the change in entropy of the water. Ans. b. Determine the change in entropy of the freezer.

  • A freezer is used to freeze 3.7 L of water completely into ice. The water and...

    A freezer is used to freeze 3.7 L of water completely into ice. The water and the freezer remain at a constant temperature of T 0°C (a) Determine the change in the entropy of the water kJ/K (b) Determine the change in the entropy of the freezer kJ/K

  • A freezer is used to freeze 2.4 L of water completely into ice. The water and...

    A freezer is used to freeze 2.4 L of water completely into ice. The water and the freezer remain at a constant temperature of T = 0°C. (a) Determine the change in the entropy of the water. kJ/K (b) Determine the change in the entropy of the freezer. kJ/K

  • m Rev A Carnot freezer that runs on electricity removes heat from the freezer compartment, which...

    m Rev A Carnot freezer that runs on electricity removes heat from the freezer compartment, which is at -10°C and expels it into the room at 25°C. You put an ice-cube tray containing 425 g of water at 12 C into the freezer. Part A What is the coefficient of performance of this freezer? AZOO ? K = Submit Request Answer Part B How much energy is needed to freeze this water? Assume at the end of the process all...

  • The Interior of a freezer, operating with an ideal Carnot cycle, is at a constant of...

    The Interior of a freezer, operating with an ideal Carnot cycle, is at a constant of -25.0 C, and the room the freezer is in is at a temperature of 25.0 C.The freezer convert 0.636 kg of water initially at 20.0 C into ice at -25.0 C. How much input work (in kJ) is required for this process to occur? ( The specific heat of ice is 2090 J/(kg*C), the specific heat of liquid water is 4186 J/(kg*C), and latent...

  • A freezer has a performance coefficient k=3. The freezer is to convert 0.80 kg of water at T = 20 °C into 0.80 kg of ice...

    A freezer has a performance coefficient k=3. The freezer is to convert 0.80 kg of water at T = 20 °C into 0.80 kg of ice at T= -10 °C in 1 hour. (a) At what rate must heat be removed from the water at 20 °C to convert it to ice at -10 °C. (b) What is the electrical power consumed by the freezer during this hour? (c) At what rate is the wasted heat rejected to the room...

  • I Review Part A A Carnot freezer that runs on electricity removes heat from the freezer...

    I Review Part A A Carnot freezer that runs on electricity removes heat from the freezer compartment, which is at -10°C and expels it into the room at 25°C. You put an ice-cube tray containing 425 g of water at 12 Cinto the freezer. What is the coefficient of performance of this freezer? 90 AXPO 2 ? K- Submit Request Answer Part B How much energy is needed to freeze this water? Assume at the end of the process all...

  • One kilogram of chilled water (0°C) is placed in a freezer which is kept at 0°F...

    One kilogram of chilled water (0°C) is placed in a freezer which is kept at 0°F (-18°C). Approximately how much electric energy (in kilocalories) is needed just to freeze the water if the room temperature is maintained at 75°F (24°C)? (Lice = 333 J/g; cice = 2.09 J/g∙°C.) ANS = 13.1 kcal i dont know why for Qc you only include the latent heat of fusion and not include the energy required to the change the temp. of chilled water...

  • A freezer maintains an interior temperature inside of −24.0°C and has a coefficient of performance of...

    A freezer maintains an interior temperature inside of −24.0°C and has a coefficient of performance of 3.00. The freezer sits in a room with a temperature of 19.0°C. The freezer is able to completely convert 26.0 g of liquid water at 19.0°C to ice at −24.0°C in one minute. What input power (in watts) does the freezer require? (The specific heat of liquid water is 4.186 J/(g · °C), the specific heat of ice is 2.090 J/(g · °C), and...

  • (a) A freezer maintains an interior temperature inside of −20.0°C and has a coefficient of performance...

    (a) A freezer maintains an interior temperature inside of −20.0°C and has a coefficient of performance of 3.00. The freezer sits in a room with a temperature of 15.0°C. The freezer is able to completely convert 36.0 g of liquid water at 15.0°C to ice at −20.0°C in one minute. What input power (in watts) does the freezer require? (The specific heat of liquid water is 4.186 J/(g · °C), the specific heat of ice is 2.090 J/(g · °C),...

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