A sealed container holds 0.020 moles of nitrogen (N2 ) gas at a pressure of 1.5 atmospheres and a temperature of 290 K. The atomic mass of nitrogen is 14 g/mol
The Boltzmann constant is 1.38 × 10-23 J/K and the ideal gas constant is R = 8.314 J/mol•K = 0.0821 L ? atm/mol ? K. The average translational kinetic energy of a nitrogen molecule is closest to
A) 4.0 × 10-21 J.
B) 10 × 10-21 J.
C) 6.0 × 10-21 J.
D) 12 × 10-21 J.
E) 8.0 × 10-21 J.
C
You might also like to view...
The average density of the planet Jupiter has been known for hundreds of years, but the densities of its Galilean moons were only determined accurately from data obtained during the Voyager by-pass missions. Why?
What will be an ideal response?
A pizza oven is approximated as a cubic container with upper surface heated, a door that conducts heat out, and all sides and bottom well insulated and reradiating. The inside dimensions of the oven are 1.5 m on a side. When in operation with the door closed the burner surface is at 500 K, and 3 kW of power are used by the heater. Assuming the emissivity of the heater and the inside surface of the door is 0.8, (a) determine the equilibrium temperature of the inside surface of the door and (b) if the door is opened and the room is at 30ºC estimate the equilibrium temperature of the heater, assuming that 3 kW of power is still used.
What will be an ideal response?
Mass and Weight: The acceleration due to gravity is lower on the Moon than on Earth. Which one of the following statements is true about the mass and weight of an astronaut on the Moon's surface, compared to Earth?
A. Mass is less, weight is the same. B. Mass is the same, weight is less. C. Both mass and weight are less. D. Both mass and weight are the same.
From the beginnings of life on Earth, it took less than a billion years for single-celled organisms to evolve to multicellular organisms
Indicate whether the statement is true or false