Find the total kinetic energy content of 1.19 moles of an ideal
gas at temperature 405 K.
Data: Avogadro's number = 6.023·1023
I need the answer for this questions and the reason why not using 1/2mv^2=3/2kt.

Find the total kinetic energy content of 1.19 moles of an ideal gas at temperature 405...
Internal Energy of a gas, ldeal Gas Law 1. The average kinetic energy of a molecule, is called thermal energy, it is directly related to absolute temperature. 1 3 KE (average per molecule) mv(average) =kT (kg =1.38x10-23 J/K) 3KBT 2. The average speed of molecules in a gas: vrms+ т where vrms stands for root-mean-square (rms) speed. 3. The INTERNAL ENERGY of a gas is the TOTAL ENERGY of ALL the N atoms and molecules For a MONATOMIC gas, each...
A cylinder with a movable piston contains 17.5 moles of a monatomic ideal gas at a pressure of 1.66 × 105 Pa. The gas is initially at a temperature of 300 K. An electric heater adds 46600 J of energy into the gas while the piston moves in such a way that the pressure remains constant. It may help you to recall that CPCP = 20.79 J/K/mole for a monatomic ideal gas, and that the number of gas molecules is...
Two moles of an ideal gas are placed in a container whose volume is 9 10-3 m². The absolute pressure of the gas is 4.4 x 105 Pa. What is the total translational kinetic energy of the gas? (Avogadro's Number 6.022x1023mol-1)
A cylinder with a movable piston contains 11.7 moles of a
monatomic ideal gas at a pressure of 1.32 × 105 Pa. The gas is
initially at a temperature of 300 K. An electric heater adds 43200
J of energy into the gas while the piston moves in such a way that
the pressure remains constant. It may help you to recall that CP C
P = 20.79 J/K/mole for a monatomic ideal gas, and that the number
of gas...
What is the temperature of a sample of gas when the average translational kinetic energy of a molecule in the sample is 8.93 × 10 − 21 J ? temperature: K What is the total translational kinetic energy of all the molecules of this sample, when it contains 1.61 moles of gas? total translational kinetic energy:
A tank with a constant volume of 5.89 m3 contains 15 moles of a monatomic ideal gas. The gas is initially at a temperature of 300 K. An electric heater is used to transfer 56500 J of energy into the gas. It may help you to recall that CVCV = 12.47 J/K/mole for a monatomic ideal gas, and that the number of gas molecules is equal to Avagadros number (6.022 × 1023) times the number of moles of the gas....
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