(a) How many atoms of helium gas fill a spherical balloon of diameter 30.8 cm at...
a) How many molecules of helium are required to fill a balloon with a diameter of 50 cm at a temperature of 27°C? b) What is the average kinetic energy of each molecule of helium? What is the average velocity of each molecule of helium?
The molecular mass of helium is 4 g/mol, the Boltzmann’s constant is 1.38066 × 10−23 J/K, the universal gas constant is 8.31451 J/K · mol, and Avogadro’s number is 6.02214 × 1023 1/mol. Given: 1 atm = 101300 Pa. How many atoms of helium gas are required to fill a balloon to diameter 26 cm at 14◦C and 1.696 atm? What is the average kinetic energy of each helium atom? Answer in units of J. What is the RMS speed...
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?
#11-12 milk and Ar 4. A 010 (part 1 of 3) 10.0 points The molecular mass of helium is 4 g/mol, the Boltzmann's constant is 1.38066× How 10-23 J/K, the universal gas constant is ice c 8.31451 J/K mol, and Avogadro's number The s is 6.02214 x 1023 1/mol. Given: 1 atmspeci 101300 Pa. speci How many atoms of helium gas are required to fill a balloon to diameter 27 cm at 24 C and of va 1.879 atm? heat...
A spherical balloon of volume 3.90 times 10^3 cm^3 contains helium at a pressure of 1.15 times 10^5 Pa. How many moles of helium are in the balloon if the average kinetic energy of the helium atoms is 3.60 times 10^-22 J? mol
A spherical balloon with a radius of 10.6 cm is filled with oxygen gas at atmospheric pressure and at a temperature of 13.4°C (a) What is the number of molecules of oxygen in the balloon? 1.28e23 molecules (b) What is the average kinetic energy of oxygen in the balloon? 2.8e-21 Your response differs from the correct answer by more than 10%. Double check your calculations. (c) What is the rms speed of oxygen in the balloon? 472.47 m/s
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...
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 of volume 4.05 x 103 cm3 contains helium at a pressure of 1.15 x 105 Pa. How many moles of helium are in the balloon if the average kinetic energy of the helium atoms is 3.60 x 10-22 J? mol