A gasoline engine absorbs 4090 J of heat and performs 2920 J of mechanical work for each turn of the engine shaft.. How much heat is expelled from the engine after 478 turns of the shaft?
answer in J
2. You place 79 moles of hydrogen gas in a balloon of volume 2.6 m3, and find the pressure to be 1.4 times atmospheric pressure. What is the typical speed of a hydrogen molecule?
answer in m/s
answer in J
2. You place 79 moles of hydrogen gas in a balloon of volume 2.6 m3, and find the pressure to be 1.4 times atmospheric pressure. What is the typical speed of a hydrogen molecule?
answer in m/s