The average kinetic energy of an O2 molecule of gas is 4.2 x 10-21 J. Determine the temperature of the gas.
a. 147 K
b. 182 K
c. 203 K
d. 265K
The average kinetic energy of an O2 molecule of gas is 4.2 x 10-21 J. Determine...
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...
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:
At 36 °C, the average translational kinetic energy of a gas molecule is K. If the temperature is now increased to 89 °C, the average translational kinetic energy of a molecule, in terms of K, will be closest to
The average speed of a gas molecule is A. inversely proportional to its kinetic energy. B. inversely proportional to the square root of its mass. C. directly proportional to the square of its temperature in °C. D. inversely proportional to the gas constant, R. E. directly proportional to the square of its temperature in K.
Calculate the average translational kinetic energy, Ex, for one mole of gas at 537 K. Translational kinetic energy is sometimes called average kinetic energy Ex = J/mol Calculate the average translational kinetic energy for a single gas molecule at 537 K. J/molecule
12. What is the average kinetic energy per molecule of a diaatomic gas at 10°c? 13. What is the rms speed of the molecules of helium gas at 25°C. Helium is a monoatomic gas Mass of He atom 6.65 x 1027Kg
The average kinetic energy of the molecules in a gas sample depends only on the temperature, ?. However, given the same kinetic energies, a lighter molecule will move faster than a heavier molecule, as shown in the equation for rms speed rms speed=3??ℳ⎯⎯⎯⎯⎯⎯⎯⎯⎯√ where ?=8.314 J/(mol⋅K) and ℳ is molar mass in kilograms per mole. Note that a joule is the same as a kilogram‑meter squared per second squared (kg·m2/s2). What is the rms speed of O2 molecules at 357...
Attempt 1 Calculate the average translational kinetic energy, Ek, for one mole of gas at 789 K. Translational kinetic energy is sometimes called average kinetic energy. Ek = 1183.5 J/mol Incorrect Calculate the average translational kinetic energy for a single gas molecule at 789 K. 9 e C
The average kinetic energy of the molecules in a gas sample depends only on the temperature, T. But given the same kinetic energies, a lighter molecule will move faster than a heavier molecule.R=8.314 J/(mol·K) and ℳ is molar mass in kilograms per mole. Note that a joule is the same as a kg·m2/s2.What is the rms speed of Cl2 molecules at 415 K? What is the rms speed of He atoms at 415 K?
The average kinetic energy of translational motion of a molecule, in equilibrium, is (3/2)kBT. What is the average of the velocity squared in pure oxygen (O2) at standard pressure (1 bar) and concentration 0.001 mole/L? Give answer in (m/sec)2 . (To determine the temperature, please use the equation of state for the ideal gas.)