General Chemistry
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Which of the following statements explain why the pressure of a gas in an isolated container (with a fixed volume) can increase over time at constant temperature?
Compare the vrms between O2 and Kr at 300 K.
Calculate the kinetic energy of an O2 molecule at 30ºC.
Determine whether the atoms of 0.5 L of oxygen gas and 0.5 L of nitrogen gas have the same average kinetic energy at room temperature and atmospheric pressure.
Use the root mean square velocity and kinetic energy of NH2-, NH3, and NH4+ to determine the following
A. Lowest effusion rate
B. Lowest velocity
C. Lowest kinetic energy
At STP, consider the three separate 1.0-L samples of He, O2, and Cl2 behaving ideally. Rank them in order of increasing average kinetic energy and increasing average velocity.
Find the kinetic energy of 1.00 mole of the following noble gases at 25 °C: He, Ne, and Ar.