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- Gas LawsImagine that you live in a cabin with an interior volume of 175 m3. On a cold morning your indoor air temperature is 100 ^C but by the afternoon the sun has warmed the cabin air to 180 ^C. The cabin is not sealed therefore the pressure inside is the same as it is outdoors. How many m^3 of air would be forced out of the cabin by the sun’s warming?The air quality index in Beijing last year recorded average ozone (O3) levels of 110 ppb (on a mol basis). Does this exceed Canada's acceptable 24 hour National Ambient Air Quality Objective (NAAQO) of 50 micrograms/M3? Assume the average molar mass of air is 29.0 g/mol and its density is 1.225 kg/M3.How many moles of gas are pressured in a 6,000,000 mcL chamber containing a pressure of 960 mmHg at – 25 deg C?
- Using the ideal gas law, PV = nRT, determine the volume 200 lbs of hydrogen would occupy at 180 degrees F and a pressure of 100 psig? Assume the constant “R” is 10.731 Ft3PSIA/0R lb mole and the molecular weight of H2 is 2 lbs./mole.Compute the density in units of of an ideal gas under the following conditions: a) At and Torr pressure (1 Torr = 1mm Hg) this is called loschmidt number. b) In a vacuum of Torr at room temperature . This number is useful one for the experimentalist to know by heart. (10^-3 Torr = 1 micron)Find the K.E. (1) per cm³ (2) per mole (3) per gram and (4) per molecule of nitrogen at N.T.P. (Molecular weight of N₂ 28, Normal pressure = 76 cm of mercury, density of Hg 13.6 gm/cm³ g = 980 cm/s², Avogadro's number 6.023 x 1023 molecules/mole. (R = 8.314 x 10² erg/mole K)
- At the bottom of a lake where the temperature is 7.35 oC and the pressure is 3.07 bars the radius of a bubble is 2.11 cm. The bubble ascends to the surface where the pressure is 1.01325 bars and the temperature is 21.60 oC. What is the percent change (with respect to the volume at the bottom) in the volume of the bubble?The rate of change of atmospheric pressure P with respect to altitude h is proportional to P, provided that the temperature is constant. At 15°C the pressure is 101.3 kPa at sca level and 87.14 kPa at h = 1000 m. (a) What is the pressure at an altitude of 3000 m? (b) What is the pressure on top of Mount McKinley, at an altitude of 6187 m?Consider air at P = 1.00 atm. The average molecular mass of air is approximately 29 u (atomic unit). Boltzmann constant is 1.380 × 10-23 J/K. What is the mass density in kg/m3 of air at T = -(2.75x10^1)°C? Use three significant digits for your answer. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: х10 Answer
- USE THE FOLLOWING DATA TO ANSWER QUESTIONS Q Pressure readings were recorded for methane gas confined in a closed volume at 4 different temperature values as follows: Temperature (T) in (*K') Pressure (p) in (bar) 320 415 510 620 11.1 13.85 17.43 24.1 Q. If the pressure relation with temperature is described by the relation p = calculated using Regression will be equal to: aeT/P) the value of a Enter your answerThe escape velocity of any object from Earth is 11.2 km/s. (a) Express this speed in m/s and km/h. Speed, m/s: Speed, km/h: (b) At what temperature would oxygen molecules (molecular mass is equal to 32 g/mol) have an average velocity, vms, equal to Earth's escape velocity 11.2 km/s?A) What is an equation to equate KE and GPE? B) A gas is held in a container of 15 m^3 in volume and a pressure of 5 Pa. If the volume isincreased to 26 m^3 what is the pressure of the gas? c)A syringe has a volume of 5 cm^3 and a temperature of 300 k. Upon heating the syringeexpands to a volume is now 5.5cm^3, what is the temperature of the syringe?