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Determine the average speed of an air particle at 15 oC. The mass of one air particle is about 4.81*10^-26 kg.
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- 1) Determine the number of air particles in an empty 12 fl oz bottle (about 3.5*10^-4 m^3) at a pressure of 1.01*10^5 Pa and a temperature of 25 oC. 8.6*10^6 8.6*10^11 8.6*10^18 8.6*10^21 2)Determine the average speed of an air particle at 15 oC. The mass of one air particle is about 4.81*10^-26 kg. 489 m/s 45 m/s 5044 m/s 16 m/sMuch of the gas near the Sun is atomic hydrogen. Its temperature would have to be 1.50 107 K for the average speed vrms to equal the escape speed of the Sun. What is that speed? The atomic mass of hydrogen is 1.008 10-3 kg/mol.A cylinder contains 15 moles of Ozone gas at 46.85 degree Centigrade temperature. The molar mas of Ozone gas is 47.99 x 10^-3. Boltzmann's constant k = 1.38 x 10^-23 J/K. The total random kinetic energy of all the Ozone gas molecules is a. 50857.2J O b. 82269 J O .59832 J O d. 38641.8J
- A 3m^3 cylindrical tank contains nitrogen gas at 1500kPa and 37C. After some of this gas was used, the pressure and temperature fall to 1260kPa and 28 C. What is the percentage in mass of the nitrogen gas used?A cylinder contains 15 moles of Ozone gas at 46.85 degree Centigrade temperature. The molar mas of Ozone gas is 47.99 x 10^-3. Boltzmann's constant k = 1.38 x 10^-23 J/K. The total random kinetic energy of all the Ozone gas molecules is O a. 50857.2J O b. 82269 J O c. 38641.8 J O d. 59832 JA 23-cm -diameter cylinder that is 44 cm long contains 50 g of oxygen gas at 20∘C . What is the number density of the oxygen?
- Your spaceship has docked at a space station above Mars. The temperature inside the space station is a carefully controlled 24 ∘C at a pressure of 745 mmHg. A balloon with a volume of 437 mL drifts into the airlock where the temperature is −95 ∘C and the pressure is 0.115 atm. What is the final volume, in milliliters, of the balloon if n does not change and the balloon is very elastic?At what temperature would the rms speed of the helium atoms (mass=6.66x10^-27kg) equal its escape speed from the earth which is 1.12x 10^4 m/s? Answer is given as 60509 K but cannot figure out how that could be it.(a) What is the number of molecules per cubic meter in air at 20C and at a pressure of 1.0 atm (= 1.01 * 10^5 Pa)? (b) What is the mass of 1.0 m3 of this air? Assume that 75% of the molecules are nitrogen (N2) and 25% are oxygen (O2).
- A cylinder contains 15 moles of Ozone gas at 46.85 degree Centigrade temperature. The molar mas of Ozone gas is 47.99 x 10^-3. Boltzmann's constant k = 1.38 x 10^-23 J/K. The total random kinetic energy of all the Ozone gas molecules is a. 38641.8 J b. 82269 J c. 59832 J d. 50857.2 JOn a certain day, the temperature dropped from 480F to 170F in 6 hours. What is the temperature change in 0C and in K? a) ∆TC = 17.220C, ∆TK = 17.22K. b) ∆TC = 310C, ∆TK = 31K. c) None of these.The gauge pressure in your car tires is 2.50*10 ^5*N/ (m^2) at a temperature of 35.0 C when you drive it onto a ferry boat to Alaska. What is their gauge pressure later, when their temperature has dropped to 40.0 C? Write your answer in atm and your answer must have three significant figures. 0.52 1.62 15.62 26.62