Homework Answers
Concept:- Here we use the formula for average
kinetic energy
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A spherical balloon with a radius of 10.6 cm is filled with oxygen gas at atmospheric...
A spherical balloon with a radius of 14.6 cm is filled with oxygen gas at atmospheric...
A spherical balloon with a radius of 14.6 cm is filled with oxygen gas at atmospheric pressure and at a temperature of 12.4°C. (a) What is the number of molecules of oxygen in the balloon? Your response differs significantly from the correct answer Rework your solution from the beginning and check each step carefully, molecu (b) What is the average kinetic energy of oxygen in the balloon? (c) What is the rms speed of oxygen in the balloon? m/s Need...
A spherical balloon with a radius of 15.0 cm is filled with oxygen gas at atmospheric...
A spherical balloon with a radius of 15.0 cm is filled with oxygen gas at atmospheric pressure and at a temperature of 15.2°C. (a) What is the number of molecules of oxygen in the balloon? (b) What is the average kinetic energy of oxygen in the balloon? (c) What is the rms speed of oxygen in the balloon?
A spherical balloon with a radius of 14.6 cm is filled with oxygen gas at atmospheric...
A spherical balloon with a radius of 14.6 cm is filled with oxygen gas at atmospheric pressure and at a temperature of 12.4°C. (a) What is the number of molecules of oxygen in the balloon? Your response differs significantly from the correct answer Rework your solution from the beginning and check each step carefully, molecu (b) What is the average kinetic energy of oxygen in the balloon? (c) What is the rms speed of oxygen in the balloon? m/s Nood...
Air is blown into a spherical balloon so that, when its radius is 6.60 cm, its...
Air is blown into a spherical balloon so that, when its radius is 6.60 cm, its radius is increasing at the rate 0.900 cm/s. (a) Find the rate at which the volume of the balloon is increasing. 164 Your response differs from the correct answer by more than 10%. Double check your calculations. cm/s (b) If this volume flow rate of air entering the balloon is constant, at what rate will the radius be increasing when the radius is 12.50...
A weather balloon is designed to expand to a maximum radius of 19 m at its...
A weather balloon is designed to expand to a maximum radius of 19 m at its working altitude, where the air pressure is 0.030 atm and the temperature is 200 K. If the balloon is filled at atmospheric pressure and 300 K, what is its radius at liftoff? Your response differs from the correct answer by more than 10%. Double check your calculations. m
8. 5.7777.69 points | Previous Answers KatzPSE1 20.P.055 A container is filled with a gas at...
8. 5.7777.69 points | Previous Answers KatzPSE1 20.P.055 A container is filled with a gas at a temperature of 275 K such that its pressure is 2.25 x 105 Pa (a) If the average kinetic energy of a molecule in the gas is to be quintupled, by what factor must the rms speed decrease or increase? Vrms,625 Vrms, Your response differs from the correct answer by more than 10%. Double check your calculations. State whether the rms speed decreases or...
A cylinder that has a 39.0-cm radius and is 50.0 cm deep is filled with air...
A cylinder that has a 39.0-cm radius and is 50.0 cm deep is
filled with air at 20.5°C and 1.00 atm
answer 2 & 3 please.
2. 0/2 points Previous Answers B My Notes A cylinder that has a 39.0-cm radius and is 50.0 cm deep is filled with air at 20.5°C and 1.00 atm as shown in figure (a). The temperature is held constant as a 19.0-kg piston is lowered into the cylinder, compressing the air trapped inside as...
(a) How many atoms of helium gas fill a spherical balloon of diameter 30.8 cm at...
(a) How many atoms of helium gas fill a spherical balloon of diameter 30.8 cm at 19.0°C and 1.00 atm? atoms (b) What is the average kinetic energy of the helium atoms? (c) What is the rms speed of the helium atoms? km/s
Suppose you have a spherical balloon filled with air at room temperature and 1.0 atm pressure;...
Suppose you have a spherical balloon filled with air at room temperature and 1.0 atm pressure; its radius is 8 cm . You take the balloon in an airplane, where the pressure is 0.88 atm. Part A If the temperature is unchanged, what's the balloon's new radius? (The answer is not 10.435 cm)
Fun with a helium balloon A loosely filled balloon contains 4.5 liters of helium gas at...
Fun with a helium balloon A loosely filled balloon contains 4.5 liters of helium gas at atmospheric pressure (PA = 101 kPa) and room temperature T = 20 C. The gas in the balloon is then heated to body temperature, 37 C, by a student. (a) The pressure inside the balloon changes very little during the heating process. What is the change in the volume of the balloon? (b) How much work does the expanding balloon do on its environment?...
A spherical balloon with a radius of 14.6 cm is filled with oxygen gas at atmospheric pressure and at a temperature of 12.4°C. (a) What is the number of molecules of oxygen in the balloon? Your response differs significantly from the correct answer Rework your solution from the beginning and check each step carefully, molecu (b) What is the average kinetic energy of oxygen in the balloon? (c) What is the rms speed of oxygen in the balloon? m/s Need...
A spherical balloon with a radius of 14.6 cm is filled with oxygen gas at atmospheric pressure and at a temperature of 12.4°C. (a) What is the number of molecules of oxygen in the balloon? Your response differs significantly from the correct answer Rework your solution from the beginning and check each step carefully, molecu (b) What is the average kinetic energy of oxygen in the balloon? (c) What is the rms speed of oxygen in the balloon? m/s Nood...
Air is blown into a spherical balloon so that, when its radius is 6.60 cm, its radius is increasing at the rate 0.900 cm/s. (a) Find the rate at which the volume of the balloon is increasing. 164 Your response differs from the correct answer by more than 10%. Double check your calculations. cm/s (b) If this volume flow rate of air entering the balloon is constant, at what rate will the radius be increasing when the radius is 12.50...
A weather balloon is designed to expand to a maximum radius of 19 m at its working altitude, where the air pressure is 0.030 atm and the temperature is 200 K. If the balloon is filled at atmospheric pressure and 300 K, what is its radius at liftoff? Your response differs from the correct answer by more than 10%. Double check your calculations. m
8. 5.7777.69 points | Previous Answers KatzPSE1 20.P.055 A container is filled with a gas at a temperature of 275 K such that its pressure is 2.25 x 105 Pa (a) If the average kinetic energy of a molecule in the gas is to be quintupled, by what factor must the rms speed decrease or increase? Vrms,625 Vrms, Your response differs from the correct answer by more than 10%. Double check your calculations. State whether the rms speed decreases or...
A cylinder that has a 39.0-cm radius and is 50.0 cm deep is
filled with air at 20.5°C and 1.00 atm
answer 2 & 3 please.
2. 0/2 points Previous Answers B My Notes A cylinder that has a 39.0-cm radius and is 50.0 cm deep is filled with air at 20.5°C and 1.00 atm as shown in figure (a). The temperature is held constant as a 19.0-kg piston is lowered into the cylinder, compressing the air trapped inside as...
(a) How many atoms of helium gas fill a spherical balloon of diameter 30.8 cm at 19.0°C and 1.00 atm? atoms (b) What is the average kinetic energy of the helium atoms? (c) What is the rms speed of the helium atoms? km/s
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