The total kinetic energy in one mole of an ideal gas is 4,000 J. If the gas is nitrogen, what is the root mean square velocity of an individual particle in the ideal gas? (N2 = 28u)
A. 678 m/s
B. 545 m/s
C. 486 m/s
D. 402 m/s
E. 376 m/s
B. 545 m/s
You might also like to view...
The temperature in a room is 77°F. What is the corresponding temperature in the Celsius scale?
A) 81°C B) 77°C C) 43°C D) 25°C E) 18°C
When a steady voltage is across one-half as much resistance, the current
A) is half. B) remains the same. C) is doubled. D) is quadrupled.
Two metal rods, one silver and the other copper, are both immersed at one end in a steam chamber at a temperature of 100°C. The other end of each one is in an ice water bath at 0°C
The rods are 5.0 cm long and have a square cross-section that is 2.0 cm on a side. No heat is exchanged between the rods and the surroundings, except at the ends. How much total heat flows through the two rods each minute? The thermal conductivity of silver is 417 W/m ? K, and that of copper is 395 W/m ? K. A) 20 kJ B) 39 kJ C) 47 kJ D) 49 kJ E) 11 kJ
A 10-V battery is connected to a 15-? resistor and an unknown resistor R, as shown. The current in the circuit is 0.40 A. How much heat is produced in the 15-? resistor in 2.0 min?
a.
0.40 kJ
b.
0.19 kJ
c.
0.29 kJ
d.
0.72 kJ
e.
0.80 kJ