HomeworkLib
Question

Suppose that by stirring 878 g of water you are able to increase its temperature from 19.0° C to 21.0° C. Find the increase in the waters entropy.
science   physics   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

02 03 04 05 BEMS IT) 06 07 NOVEMBER 2016 w M TW TFS s 12 3 4 5 6 4 7 8 9 10 11 12 13 45 14 15 16 17 18 19 20 21 22 23 24 25 2

0 0
Add a comment
Know the answer?
Add Answer to:
Suppose that by stirring 878 g of water you are able to increase its temperature from...
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

  • QUESTION 7 A 437.2 g sample of an unknown substance requires 8460to increase its temperature from...

    QUESTION 7 A 437.2 g sample of an unknown substance requires 8460to increase its temperature from 19.3 °C to 68.9 °C. The specific heat of the substance is __J/g °C. QUESTION 8 A 437.2 g sample of an unknown substance requires 8460 ) to increase its temperature from 19.3 °C to 68.9 °C. According to table 5.1 in the text, the sample may be copper lead aluminum iron QUESTION 9 A 30.0 g piece of aluminum (C = 0.897 J/g...

  • 1. Work of 800 J is done by stirring  80 g of water. The water is inside...

    1. Work of 800 J is done by stirring  80 g of water. The water is inside an insulated container (a) What is the change in the internal energy of the water? ___ J (b) What is the change in the temperature of the water? ___ °C 2. Water has the following properties: Latent heat of vaporization 540 cal/gram, Latent heat of fusion 80 cal/gram, specific heat of liquid water 1 cal / gram / degree C. You are a fruit...

  • A Styrofoam cup holding 100 g of hot water at 84°C cools to room temperature, 21.0°C....

    A Styrofoam cup holding 100 g of hot water at 84°C cools to room temperature, 21.0°C. What is the change in entropy of the room? Neglect the specific heat of the cup and any change in temperature of the room. J/K

  • Suppose that there are two very large reservoirs of water, one at a temperature of 95.0...

    Suppose that there are two very large reservoirs of water, one at a temperature of 95.0 °C and one at a temperature of 17.0 °C. These reservoirs are brought into thermal contact long enough for 42130 J of heat to flow from the hot water to the cold water. Assume that the reservoirs are large enough so that the temperatures do not change significantly. What is the total change in entropy resulting from this heat exchange between the hot water...

  • Suppose that there are two very large reservoirs of water, one at a temperature of 89.0...

    Suppose that there are two very large reservoirs of water, one at a temperature of 89.0 °C and one at a temperature of 13.0 °C. These reservoirs are brought into thermal contact long enough for 42530 J of heat to flow from the hot water to the cold water. Assume that the reservoirs are large enough so that the temperatures do not change significantly. What is the total change in entropy resulting from this heat exchange between the hot water...

  • 16.41 g of MgSO₄ is placed into 100.0 mL of water. The water's temperature increases by...

    16.41 g of MgSO₄ is placed into 100.0 mL of water. The water's temperature increases by 6.7°C. Calculate ∆H, in kJ/mol, for the dissolution of MgSO₄. (The specific heat of water is 4.18 J/g･°C and the density of the water is 1.00 g/mL). You can assume that the specific heat of the solution is the same as that of water.

  • Find what heat in calories (cal) is required to increase the temperature of 52 g water...

    Find what heat in calories (cal) is required to increase the temperature of 52 g water from 0°C to 50 °C The specific heat capacity of water is 1 cal/g. C Express your answer to two significant figures and include the appropriate units. Calculate the quantity of heat absorbed by 12 g of water that warms from 30°C to 82 °C. Express your answer to two significant figures and include the appropriate units.

  • Suppose that there are two very large reservoirs of water, one at a temperature of 95.0...

    Suppose that there are two very large reservoirs of water, one at a temperature of 95.0 °C, and one at a temperature of 11.0 ℃. These reservoirs are brought into thermal contact long enough for 36330 J of heat to flow from the hot water to the cold water. Assume that the reservoirs are large enough so that the temperatures do not change significantly What is the total change in entropy resulting from this heat exchange between the hot water...

  • It can be shown that as a mass m with specific heat c changes temperature from...

    It can be shown that as a mass m with specific heat c changes temperature from Ti to Tf its change in entropy is ΔS=mcln(Tf/Ti) if the temperatures are expressed in kelvin. Suppose you put 78 g of milk at 278 K into an insulated cup containing 290 g of coffee at 355 K, and that each has the specific heat of water. The system comes to an equilibrium temperature of 339 K. Part A What is the entropy change...

  • Calculate the number of calories needed to increase the temperature of 50.0g of copper metal from...

    Calculate the number of calories needed to increase the temperature of 50.0g of copper metal from 21.0 degree Celsius. Given, the specific heat of copper is 0.382cal/g x 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