QUES What is the density in kg/mo of diatomic oxygen gas, 02, that is under a pressure of 100 kPa at a temperature of 280 K? The atomic weight of the element oxygen is 16 g/mole. a. 0.20 kg/m3 b. 1.1 kg/m3 C. 0.50 kg/m3 d. 0.80 kg/m3 e. 1.4 kg/m3
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- 10 moles of an ideal gas are confined to a volume of 2 m^3. What is the temperature of the gas if its pressure is 10^5 Pa? (kb = 1.38 * 10^-23 J/k, and R = 8.315 J/mol k) a. 300 K b. 2405 K c. 1.4*10^27 K d. 2.4 KQUESTION 10 What is the density of diatomic nitrogen gas (N2) at a temperature of 20.00 C under a pressure of 100 kPa? The atomic mass of nitrogen is 14 g/mole. a. 1.97 kg/m³ ,3 b. 1.15 kg/m3 C. 2.33 kg/m3 d. 1.50 kg/m3 O e. 2.76 kg/m3What is the density of diatomic nitrogen gas (N2) at a temperature of 20.00 C under a pressure of 100 kPa? The atomic mass of nitrogen is 14 g/mole. a. 1.15 kg/m3 b. 1.97 kg/m3 c. 2.33 kg/m3 d. 2.76 kg/m3 e. 1.50 kg/m3
- What is the R.M.S. velocity of molecules or the gas at N.T.P. if density of this gas at N.T.P. is 0.165 kg/m?? What will be the R.M.S. velocity at 227°C [Given : 1 atmospheric pressure = 1.013 × 10 N/m².A gas storage tank of fixed volume V contains N molecules of an ideal gas at temperature T. The pressure at kelvin temperature T is 20 MPa. molecules are removed and the temperature changed to 27T. What is the new pressure of the gas? O 10 MPa O B. 15 MPa OC. 30 MPa OD. 40 MPaA gas consists of NO₂ molecules at temperature T. What is the r.m.s. speed of the molecules, in m/s? The mass of an NO₂ molecule is 1.53x10-26 kg. T = 10 °C; (in m/s) OA: 639.3 OB: 747.9 OC: 875.1 OD: 1023.8 OE: 1197.9 OF: 1401.5 OG: 1639.8 OH: 1918.6
- Nitrogen is contained in a 80L tank and the initial pressure and temperature is 250 kPa and 200 °C, respectively. Note the ideal gas constant for nitrogen is 0.2968 kJ/kg KDetermine:a. The mass of the gas in kg.b. Now, if 0.05 kg of gas leaks out of the tank and in the process the temperature of the gas remaining in the tank in kPa. If the atmospheric pressure is 101.325 kPa.25. A movable circular lid rests on top of an a gas-filled a cylinder; the cylinder and lid have a radius of 12.0 cm; the lid has a weight of 800 N. Outside the cylinder is atmospheric pressure, 1.01 x 105 Pa. Inside the cylinder are 6.0 moles of argon gas. The gas temperature is 400 °K. What is the volume of the gas (in cubic meters)? The atomic mass of argon is 39.95. (a) 0.04 (b) 0.21 (c) 0.17 (d) 0.13 (e) none of these osodilo 0 (0) 2 (0) SC on (s)A 3.0 liter tank contains oxygen gas at 20°C and gauge pressure of 25 x 105 Pa. What mass of oxygen is in the tank? Assuming molecular mass of oxygen is 32kg/kmol and the atmospheric pressure is 0.1 MPa. A. 102 kg B. 150 g C. 102 g D. 150 kg
- Question 19 The mean free path of an oxygen molecule is 2.0 x 10-m, when the gas is at a pressure of 120 Pa and a temperature of 275 K. The atomic mass of oxygen is 16.0 g/mol. Calculate the radius of an oxygen molecule (1) 0.22 nm. (2) 0.10 nm. (3) 0.30 nm. (4) 1.2nm (5) None of the above. A heat engine that contains a monoatomic gas is given by the following pV diagram. Questions (19) to (30) are based on this information. 180 K isotherm p(kPa), 20 10 0+ + 300 V (dm") 100 200 Question 20 The number of moles in the gas is ( round off your answer to two digits) a. 0.016 moles b. 2.34 moles c. 1.34 moles d. 5.0 moles e. None of the above.1. A sealed box with volume 2 m^3 contains an ideal gas with 2.0*10^26 particles at a temperature of 400 K. What is the pressure inside the box> a. 368 kPa b. 552 kPa c. 276 kPa d. 414 kPa 2. A sealed box with volume 1 m^3 contains an ideal gas with 2.0*10^26 particles at a temperature of 300 K. The gas is then heated isochorically to 600 K. What is the pressure inside the box? a. 5*10^29 Pa b. 1.66 MPa c. 829 kPa d. 1.38 MPa1:56 ull 3G O Untitled Question 3 points A tank has a volume of 0.5 m' and contains 4 mol of hellium gas at 25°C The total translational kinetic energy of the gas molecules and v of the helium atoms, if m6.64x107 kg /molecule is: O (6.17x10-21 J, 1363 m/s) O (1.5x104 J, 1113 m/s) O None of the above O (1.5x10*4 J. 1363 m/s) O (1.55x10^4 J, 1390 m/s) Submit Page 1 of 1