HomeworkLib
Question

A block of dry ice held in a piston chamber of cross-sectional area 26 cmsublimes and pushes the piston over a length of 20 cm against ambient pressure of 1 atm. Calculate the work W associated with this process. What is the sign of W from the point of view of the dry ice?

science   physics   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

ost be十ve because Waskis done P sv Lo - 20cm = | 52-52コ ! 囚

0 0
Add a comment
Know the answer?
Add Answer to:
A block of dry ice held in a piston chamber of cross-sectional area 26 cm'sublimes and...
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 reaction is taking place inside a container of cross sectional area 100cm2. Because of the...

    A reaction is taking place inside a container of cross sectional area 100cm2. Because of the reaction, a piston is pushed up by a distance of 20.0 cm against an external pressure of 2.0 bar. a) Calculate the work done by the system. The temperature of the system is kept constant at 310K. b) Calculate the work done by the system for this process.

  • A piston/cylinder arrangement with an cross sectional area of 1 mạ contains carbon dioxide at 200...

    A piston/cylinder arrangement with an cross sectional area of 1 mạ contains carbon dioxide at 200 kPa and 290 K. The cylinder has a thick piston that initially held by a pin as shown in Figure 1. The metal piston has a density of 8000 kg/mº, standard acceleration of gravity, &c is 9.81 m/s and the atmospheric pressure is 101 kPa. The pin is now removed, allowing the piston to move and after a while the gas returns to 290...

  • A piston-cylinder apparatus contains 5 kg of saturated water at 55˚C. The piston’s cross sectional area...

    A piston-cylinder apparatus contains 5 kg of saturated water at 55˚C. The piston’s cross sectional area is 0.04 m2, and initially is resting on stops, enclosing a volume of 0.02 m3. To raise the piston, a pressure of 500 kPa has to be applied. When the volume is 0.05 m3, the piston encounters a linear spring. To deflect the spring 1 m, a force of 400 kN is required. More heat is transferred until the final pressure is 3 MPa....

  • 4. 20 pts. A 10.02 kg frictionless Piston with a cross sectional area of 0.001 m2...

    4. 20 pts. A 10.02 kg frictionless Piston with a cross sectional area of 0.001 m2 is compressing 2.000 kg of H,0 in a steel cylinder. A. The initial temperature of the system is 300 °C. What is the initial abs Pressure in the tank? b. a. What is the initial Volume of the tank? 8. The gas is compressed isothermally until the volume is half of its original value 0 a. b. c. how much heat gained (or lost)...

  • A copper rod and an aluminum rod of the same length and cross-sectional area are attached...

    A copper rod and an aluminum rod of the same length and cross-sectional area are attached end to end (Figure 1). The copper end is placed in a furnace maintained at a constant temperature TCu = 230 ∘C . The aluminum end is placed in an ice bath held at a constant temperature of 0.0∘C. Calculate the temperature at the point where the two rods are joined.

  • A block of material with a cross-sectional area of 15 cm2 and length of 8.0 cm...

    A block of material with a cross-sectional area of 15 cm2 and length of 8.0 cm is at hand. A temperature difference of 30 ̊C is established and maintained across the block. Find the rate of heat flow through it if: (2 marks) The material is copper (K = 397 Js-1m-1C-1). The material is air (K = 0.0234 Js-1m-1C-1). The material is wood (K = 0.08 Js-1m-1C-1).

  • A block in the shape of a rectangular solid has a cross-sectional area of 4.58 cm2...

    A block in the shape of a rectangular solid has a cross-sectional area of 4.58 cm2 across its width, a front-to-rear length of 21.7 cm, and a resistance of 1370 Ω. The block's material contains 5.69 × 1022 conduction electrons/m3. A potential difference of 39.7 V is maintained between its front and rear faces. (a) What is the current in the block? (b) If the current density is uniform, what is its magnitude? What are (c) the drift velocity of...

  • A block in the shape of a rectangular solid has a cross-sectional area of 3.03 cm2...

    A block in the shape of a rectangular solid has a cross-sectional area of 3.03 cm2 across its width, a front-to-rear length of 15.9 cm, and a resistance of 1050 Ω. The block's material contains 7.90 × 1022 conduction electrons/m3. A potential difference of 34.2 V is maintained between its front and rear faces. (a) What is the current in the block? (b) If the current density is uniform, what is its magnitude? What are (c) the drift velocity of...

  • A spring loaded piston-cylinder device with a cross sectional area of 0.2 m2 contains 0.6 kg...

    A spring loaded piston-cylinder device with a cross sectional area of 0.2 m2 contains 0.6 kg of air, as shown in the figure. The air initially at 100 kPa and 20°C, is heated to 450 kPa at which the piston begins to move. The process continues until the final volume is 12 times the initial volume. Calculate (a) the final temperature in kb) the work done in kJ. (the total heat transfer in this process Use the following properties for...

  • A copper rod and an aluminum rod of the same length and cross-sectional area are attached...

    A copper rod and an aluminum rod of the same length and cross-sectional area are attached end to end. The copper end is placed in a furnace which is maintained at a constant temperature of 292∘C. The aluminum end is placed in an ice bath held at constant temperature of 0.0∘C. Calculate the temperature (in degrees Celsius) at the point where the two rods are joined. The thermal conductivity of copper is 380 J/(s⋅m⋅C∘) and that of aluminum is 200...

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