What fraction of the molecules in an ideal gas in equilibrium has speeds within ±1% of v*?
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What fraction of the molecules in an ideal gas in equilibrium has speeds within ±1% of v*?
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- At what temperature (in C) is the rms speed of helium atoms(molar mass 4.00 g/mol) the same as the rms speed of nitrogen molecules(molar mass 28.0 g/mol) at 20.0 C? (Note that helium remains agas at temperatures above -269 C.)(a) An ideal gas occupies a volume of 2.6 cm at 20°C and atmospheric pressure. Determine the number of molecules of gas in the container. molecules (b) If the pressure of the 2.6-cm volume is reduced to 1.8 x 10-11 Pa (an extremely good vacuum) while the temperature remains constant, how many moles of gas remain in the container? mol(a) An ideal gas occupies a volume of 1.2 cm³ at 20°C and atmospheric pressure. Determine the number of molecules of gas in the container. molecules (b) If the pressure of the 1.2-cm³ volume is reduced to 2.2 x 10-11 Pa (an extremely good vacuum) while the temperature remains constant, how many moles of gas remain in the container? mol
- Equal moles of three different ideal gases (A, B, and C) are prepared in separate sealed chambers at different temperatures. The velocity distributions for molecules of the three gases are shown below. The gases have different molecular masses which are not known. Which of the following statements about these gases MUST BE true? Number of Molecules B C Velocity Gas C has the greatest temperature. Gas A has the greatest average kinetic energy per molecule. O Gas C has the greatest average kinetic energy per molecule. O Gas A has the greatest molecular mass. O Gas C has the greatest rms speed. Next.An ideal gas, initially at a pressure of 10.3 atm and a temperature of 312 K, is allowed to expand adiabatically until its volume doubles. What is the gas’s final temperature, in kelvin, if the gas is monatomic? What is the gas’s final pressure, in atmospheres, if the gas is diatomic?Consider a monatomic gas whose molecules have an average kinetic energy of 30.0 eV. What is the temperature of the gas?The temperature of the gas is