HomeworkLib
Question

Determine the excess pressure inside a 5-mm-diameter soap bubble floating in air, given the surface tension...

Determine the excess pressure inside a 5-mm-diameter soap bubble floating in air, given the surface tension of the soap solution is 0.065 N/m.

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

Homework Answers

Answer #1

0 0
Add a comment
Know the answer?
Add Answer to:
Determine the excess pressure inside a 5-mm-diameter soap bubble floating in air, given the surface tension...
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

  • What would the pressure gradient between the inside and the outside of an air bubble in...

    What would the pressure gradient between the inside and the outside of an air bubble in pure water, with a surface tension of 72 mN/m, for a bubble of 100nm in diameter?

  • 3. The formation of a bubble indicates that there is excess pressure AP inside the bubble...

    3. The formation of a bubble indicates that there is excess pressure AP inside the bubble above the atmospheric pressure. For a bubble of radius R having a surface tension Os, the excess pressure AP is given by: 205 AP R a. Draw a free-body diagram of half a bubble indicating the force balance (4 marks) b. Derive the above equation (4 marks) C. Everything else being the same, do you expect the air bubble to be larger when formed...

  • A bubble of soapy water is formed in air. (Surface tension of soapy water: 0.0370 N/m)....

    A bubble of soapy water is formed in air. (Surface tension of soapy water: 0.0370 N/m). a) What gauge pressure is maintained in a bubble of radius 5.0 mm? b) What radius does a bubble need so that its gauge pressure is 5.0 Pa?

  • 4 of 4 3. The formation of a bubble indicates that there is excess pressure AP...

    4 of 4 3. The formation of a bubble indicates that there is excess pressure AP inside the bubble above the atmospheric pressure. For a bubble of radius R having a surface tension Os, the excess pressure AP is given by: ΔΡ = 205 R a. Draw a free-body diagram of half a bubble indicating the force balance (4 marks) b. Derive the above equation (4 marks) C. Everything else being the same, do you expect the air bubble to...

  • Determine the pressure difference between the inside and outside of a i) water droplet, ii) soap...

    Determine the pressure difference between the inside and outside of a i) water droplet, ii) soap bubble each with a 3-mm radius. Assume σ of soap to be same as pure water.

  • the pressure inside of an air bubble when it is at the depth h1 below the...

    the pressure inside of an air bubble when it is at the depth h1 below the water's surface is p1. the volume at the air bubble is v1 at that location. if the pressure at a depth h2 is p2, then the volume of the air bubble at that new location is v2. please find the unknown magnitudes. results should be submitted in the SI unites in scientific notation up to three significant figures. hint: consider that the temperature water...

  • A 25-mm-diameter hot surface at is cooled by an air jet exiting a 5-mm-diameter round nozzle wi...

    A 25-mm-diameter hot surface at is cooled by an air jet exiting a 5-mm-diameter round nozzle with a velocity of 35 m/s and temperature of 25. The nozzle exit is 25 mm from the hot surface. Determine the percentage change in average heat transfer coefficient at the hot surface if the air is replaced with carbon dioxide or helium. Use material properties from reputable tables. We were unable to transcribe this imageWe were unable to transcribe this imageWe were unable...

  • . Consider an air bubble with radius 0.1 um in water at 20 °C: a. Calculate...

    . Consider an air bubble with radius 0.1 um in water at 20 °C: a. Calculate the overpressure inside the bubble and show your calculation procedures. (The surface tension of water is 72.8 mNm-1) b. Calculate the vapor pressure of water inside the bubble, relative to that over a flat water surface. Show your calculation procedures. (The surface tension of water: 72.8 mN m-1 the molecular weight of water:18 g mol1; the gas constant R: 8.314 J-mol1K-)

  • A glass tube of inside diameter 1.0 mm is dipped vertically into a container of mercury,...

    A glass tube of inside diameter 1.0 mm is dipped vertically into a container of mercury, with its lower end 1 cm below the mercury surface. a) What must be the gauge pressure of the air in the tube to blow a hemispherical bubble at its lower end? (Answer: 1400 Pa) b) To what height will mercury rise in the tube if the air pressure in the tube is 3000 Pa below atmospheric? The contact angle is 140 degrees and...

  • What is the surface tension of a small droplet of water 0.3mm in diameter which is...

    What is the surface tension of a small droplet of water 0.3mm in diameter which is in contact with air if the pressure within the droplet is 561 Pa? a.) 0.022 N/m b.) 0.032 N/m c.) 0.042 N/m d.) 0.052 N/m

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