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v=(Y/d).5 v is speed,Yis youngs modulus, d is density
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Examples 1. Find the Young' modulus for a bone if its 2. What is the ratio...
2. What is the ratio of the velocity of sound in helium gas to that in...
2. What is the ratio of the velocity of sound in helium gas to that in air at the same pressure and temperature? On the basis of your answer, can you explain why you will sound funny if you happen to in helium gas and speak? With explanation please and step-by-step solution. Thanks
With explanation please and step-by-step solution. Thanks 2. What is the ratio of the velocity of...
With explanation please and step-by-step solution. Thanks
2. What is the ratio of the velocity of sound in helium gas to that in air at the same pressure and temperature? On the basis of your answer, can you explain why you will sound funny if you happen to in helium gas and speak?
a) In thermodynamics, what is the second law efficiency? How does it differ from the first...
a) In thermodynamics, what is the second law efficiency? How does it differ from the first law efficiency? (2 marks) b) Can a system have a higher second law efficiency than the first law efficiency during a process? Give examples (Hint: Consider efficiencies of a reversible cycle). (2 marks) c) An ideal gas is stored in a closed vessel at pressure p and temperature T. If p = po, derive an expression for the specific exergy in terms of T,...
Name: Section: Gas Law Practice (IC-6) 1. At what temperature will 5.00 g of Cl, exert...
Name: Section: Gas Law Practice (IC-6) 1. At what temperature will 5.00 g of Cl, exert a pressure of 900. torrat a volume of 750 ml? 2. What pressure will be exerted by 25 g of CO, at a temperature of 25 "C and a volume of 500 mL? 3. Find the number of grams of CO, that exert a pressure of 785 torrs at a volume of 32.5 L and a temperature of 32°C 4. An elemental gas has...
1. Discuss the applications of fluidization along with examples and diagrams 2. What is expansion of...
1. Discuss the applications of fluidization along with examples and diagrams 2. What is expansion of fluidized beds and derive the equation for particulate fluidization to derive V, in terms of void fraction along with the charts 3. Derive Ergun equation, Kozney Karman equation and Burke Plummer equation and give their Reynolds number conditions 4. Solve Problem 7.16 : Air leaving a fluidized bed at 1500c contains a small amount of dust with particle sizes between 2 and 20 micro...
*SHOW YOUR WORK* (Boyle's Law): 1. What is the final volume (in mL) or argon gas...
*SHOW YOUR WORK* (Boyle's Law): 1. What is the final volume (in mL) or argon gas is 50.0 mL at 705 torr is compressed to a pressure of 2.75 atm, at constant temperature? (Lewis Dot Structures): 2. Draw Lewis structures for the following molecules. Include partial charges, AXE designation, (example: AX2 E2), Electron-pair geometry and geometric-molecular shapes. Is it Polar or Non-Polar? CH2Cl2 SO2 3. Which of the following explains why the pressure of a gas increases when the temperature...
Help!!! Please explain why you chose the answers too pls: #1. What best describes what happens...
Help!!! Please explain why you chose the answers too pls: #1. What best describes what happens when the end of the hose of a running vacuum cleaner is placed on your arm? A. Your skin moves in the direction of negative pressure, partially into the end of the hose. B. The vacuum cleaner pulls your skin partially into the end of the hose. C. Your skin pushes itself partially into the end of the hose. D. The surrounding atmosphere pushes...
HoMEWORK FOR INTRODUCTION TO HEAT AND TEMPERATURE 1. Approximately what is human body temperature on the...
HoMEWORK FOR INTRODUCTION TO HEAT AND TEMPERATURE 1. Approximately what is human body temperature on the Celsius temperature scale? Which is better at transferring heat, water or air? How does this fact explain the length of time it takes the temperature probe to reach thermal equilibrium with the air or water it is in? 2. 3. What effect does the evaporation of water have on the object from which it is evaporating? When has your body experienced this effect? 4....
Problem 2 (9) Use kinetic theory of gasses to explain the following: a) As a glass...
Problem 2 (9) Use kinetic theory of gasses to explain the following: a) As a glass of water evaporates, what happens to the temperature of the water? b) As a water vapor condenses onto a surface, what happens to the temperature of the vapor? c) As a solid sublimates, what happens to the temperature of the solid? Problem 3 [6] a) 15g of helium at 298K is equivalent to how many moles? molecules? volume? b) 15g of water at 298K...
1. A 12-cylinder, 4-stroke automobile engine is being designed. What type of cylinder arrangement would you...
1. A 12-cylinder, 4-stroke automobile engine is being designed. What type of cylinder arrangement would you recommend? (a) In-Line (b) V-Type (c) W-Type (d) Rotary. 2. The expression "cylinder cut-out" means : (a) Half of cylinder volumes is used. (b) Half of cylinder numbers is used. (c) Half of cylinder masses is used. (d) None of the above. 3. Adding lubrication oil to the inlet fuel- air mixture in 2-st engines will increase: (a) HC emissions. (b) CO emissions (c)...
2. What is the ratio of the velocity of sound in helium gas to that in air at the same pressure and temperature? On the basis of your answer, can you explain why you will sound funny if you happen to in helium gas and speak? With explanation please and step-by-step solution. Thanks
With explanation please and step-by-step solution. Thanks
2. What is the ratio of the velocity of sound in helium gas to that in air at the same pressure and temperature? On the basis of your answer, can you explain why you will sound funny if you happen to in helium gas and speak?
a) In thermodynamics, what is the second law efficiency? How does it differ from the first law efficiency? (2 marks) b) Can a system have a higher second law efficiency than the first law efficiency during a process? Give examples (Hint: Consider efficiencies of a reversible cycle). (2 marks) c) An ideal gas is stored in a closed vessel at pressure p and temperature T. If p = po, derive an expression for the specific exergy in terms of T,...
Name: Section: Gas Law Practice (IC-6) 1. At what temperature will 5.00 g of Cl, exert a pressure of 900. torrat a volume of 750 ml? 2. What pressure will be exerted by 25 g of CO, at a temperature of 25 "C and a volume of 500 mL? 3. Find the number of grams of CO, that exert a pressure of 785 torrs at a volume of 32.5 L and a temperature of 32°C 4. An elemental gas has...
1. Discuss the applications of fluidization along with examples and diagrams 2. What is expansion of fluidized beds and derive the equation for particulate fluidization to derive V, in terms of void fraction along with the charts 3. Derive Ergun equation, Kozney Karman equation and Burke Plummer equation and give their Reynolds number conditions 4. Solve Problem 7.16 : Air leaving a fluidized bed at 1500c contains a small amount of dust with particle sizes between 2 and 20 micro...
HoMEWORK FOR INTRODUCTION TO HEAT AND TEMPERATURE 1. Approximately what is human body temperature on the Celsius temperature scale? Which is better at transferring heat, water or air? How does this fact explain the length of time it takes the temperature probe to reach thermal equilibrium with the air or water it is in? 2. 3. What effect does the evaporation of water have on the object from which it is evaporating? When has your body experienced this effect? 4....
Problem 2 (9) Use kinetic theory of gasses to explain the following: a) As a glass of water evaporates, what happens to the temperature of the water? b) As a water vapor condenses onto a surface, what happens to the temperature of the vapor? c) As a solid sublimates, what happens to the temperature of the solid? Problem 3 [6] a) 15g of helium at 298K is equivalent to how many moles? molecules? volume? b) 15g of water at 298K...
1. A 12-cylinder, 4-stroke automobile engine is being designed. What type of cylinder arrangement would you recommend? (a) In-Line (b) V-Type (c) W-Type (d) Rotary. 2. The expression "cylinder cut-out" means : (a) Half of cylinder volumes is used. (b) Half of cylinder numbers is used. (c) Half of cylinder masses is used. (d) None of the above. 3. Adding lubrication oil to the inlet fuel- air mixture in 2-st engines will increase: (a) HC emissions. (b) CO emissions (c)...
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