Question

Please explain your answer A sample of pure water is cooled (reversible) and freezes at -0*C....

Please explain your answer

A sample of pure water is cooled (reversible) and freezes at -0*C. What is the sign of the entropy of the system, surroundings and universe.

System Surroundings Universe

a)Positive Negative Positive

b)Positive Positive Zero

c)Negative Negative Positive

d)Negative Positive Zero

0 0
Add a comment Improve this question Transcribed image text
Answer #1

The process is at Nomolano od Water ice at ove r Now As the process is reversible 14 Suni= AS system + AS surrounding = 0 Now

Add a comment
Know the answer?
Add Answer to:
Please explain your answer A sample of pure water is cooled (reversible) and freezes at -0*C....
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
  • A 640 kg sample of water at 0°C is cooled to -6°C, and freezes in the...

    A 640 kg sample of water at 0°C is cooled to -6°C, and freezes in the process. How much heat is liberated? (For water Lf = 334 kJ/kg and Lv 2257 kJ/kg. The specific heat for ice is 2050 J/kg∙K.) Group of answer choices A)14,100 kJ B)176,000 kJ C)222,000 kJ D)320,000 kJ

  • A 3873 kg sample of water at 0 C is cooled to-13 C and freezes in...

    A 3873 kg sample of water at 0 C is cooled to-13 C and freezes in the process. How much heat is liberated? (for water Lf= 334 kj/kg and Lv= 2257 Kj/kg. The specific heat for ice is 2050 J/kg*K)

  • 5. If 100 g of water cooled to -6°C) is allowed to freeze at -6°C, what...

    5. If 100 g of water cooled to -6°C) is allowed to freeze at -6°C, what is the entropy change? What is the entropy change of the surroundings? What is the entropy change of the universe? H2O() → H2O(1) AH = 6.008 kJ/mol Cp,solid = 33.8 J/(K mol) Cp.liquid = 75.3 J/(K mol)

  • 1)Reversible processes are generally: A)Exergonic B) Spontaneous C) At equilibrium D) Endergonic 2) Which of the...

    1)Reversible processes are generally: A)Exergonic B) Spontaneous C) At equilibrium D) Endergonic 2) Which of the following processes would be considered reversible? A) The digestion of food B) The melting of ice at 0oC C) The vaporization of water at 75oC D) The rusting of iron 3) Which of the following is a statement of the first law of thermodynamics? A) A state of complete order occurs at absolute zero B) A spontaneous process will occur with an increase in...

  • 5. (15) A closed system undergoes a process where heat transfer is allowed along the system...

    5. (15) A closed system undergoes a process where heat transfer is allowed along the system boundary at constant temperature. For each case below, determine whether the change in entropy of the system is positive, negative, zero, or indeterminate. Explain your answer. a. Internally reversible process with heat transfer from the system to the surroundings b. Internally reversible process with heat transfer to the system from the surroundings; Internally reversible and adiabatic process; c. d. Internal irreversibilities present with heat...

  • Question ): What is the oxidation state of the C atoms in C6H1203? Question K: When...

    Question ): What is the oxidation state of the C atoms in C6H1203? Question K: When water vapour condenses at 100°C and 1.00 atm of pressure, is the change in entropy of the universe negative, zero, or positive? Question L: When water vapour condenses at 100°C and 1.00 atm of pressure, is the change in entropy of the surroundings/environment negative, zero, or positive? S4

  • the water is at 55 °C. Now slowly add heat to the sample of liquid water...

    the water is at 55 °C. Now slowly add heat to the sample of liquid water until it freezes. What happens to the water as it freezes in terms of the strength of the bonds, the entropy of the system, and the types of motion that exist?

  • Question 3: A) When H+(aq) reacts with Fe(s) to produce Fe2+(aq) and hydrogen gas, is H+(aq)...

    Question 3: A) When H+(aq) reacts with Fe(s) to produce Fe2+(aq) and hydrogen gas, is H+(aq) an acid, base, oxidizing agent, or reducing agent? B) What is the oxidation state of the C atoms in C6H12O3? C) When water vapour condenses at 100oC and 1.00 atm of pressure, is the change in entropy of the universe negative, zero, or positive? D) When water vapour condenses at 100oC and 1.00 atm of pressure, is the change in entropy of the surroundings/environment...

  • ( this is a multipart question) a)When H+ (aq) reacts with Fe(s) to produce Fe2+ (aq)...

    ( this is a multipart question) a)When H+ (aq) reacts with Fe(s) to produce Fe2+ (aq) and the hydrogen molecule. Is H+(aq) an acid, a base, an oxydizing agent or a reducing agent? b) What is the oxidation state of the C atoms in C6H12O3? c)When water vapor condenses at 100C and a pressure of 1 atm, the variation of entropy of the universe is positive, negative or zero? d)When water vapor condenses at 100C and a pressure of 1...

  • If 1.00 m3 of water at 0∘C is frozen and cooled to -12 ∘C by being...

    If 1.00 m3 of water at 0∘C is frozen and cooled to -12 ∘C by being in contact with a great deal of ice at -12 ∘C, estimate the total change in entropy of the process. Express your answer to two significant figures and include the appropriate units.

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