Temperature (°C) Vapor pressure (Pa) Saturation vapor density (g/m³) 60 1.99 x 10' 130 70 3.12 x 104 197 80 4.73 x 10' 294 90 7.01 x 104 418 95 8.59 x 10' 505 100 1.01 x 105 598 120 1.99 x 105 1095 150 4.76 x 10' 2430 200 1.55 x 106 7090 220 2.32 x 10° 10200
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The boiling point of water can change significantly with altitude, as the following table shows.
What is the atmospheric pressure, in pascals, at the top of Mt. Everest on a day when water boils there at a temperature of 70.0°C?
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- 36. Two moles of an ideal gas are placed in a container whose volume is8.5 3 1023 m3 . The absolute pressure of the gas is 4.5 3 105 Pa. What is the average translational kinetic energy of a molecule of the gas?17. The value of y with increase in the degree of freedom of an ideal gas a. Increases b. Decreases c. Remains constant d. All the above1. 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 MPa
- 15. If the specific volume of a gas is 0.800 m^3/kg, what is its specific weight? * 12.62 N/m^3 12.26 N/m^3 12.66 N/m^3 12.63 N/m^3 16. What is the mass density of a helium gas at 4 and an absolute pressure of 285 KPa. R for helium, R= 2079 J/kg-K? * 0.795 kg/m^3 0.695 Kg/m^3 0.595 Kg/m^3 0.495 Kg/m^37. A container filled with a sample of an ideal gas at the pressure of 1.5 atm. The gas is compressed isothermally to one-fourth of its original volume. What is the new pressure of the gas? (A) 2 atm (B) 3 atm (C) 4 atm (D) 5 atm (E) 6 atm VIf the temperature of an ideal gas sample is held constant and the pressure is tripled, what happens to the volume of the gas? A. The volume is increased by a factor of three times its original value. B. The volume is reduced to one-third of its original value. C. The volume remains constant. D. The volume is reduced to one-ninth of its original value. E. The volume is increased by a factor of nine times its original value.
- The ideal gas law relates the a. only the pressure and volume of a gas. b. only the number of gas molecules and the temperature of the gas. С. pressure and volume of a gas to the number of gas molecules and the temperature of the gas. d. volume of a gas to the number of gas molecules and the temperature of the gas.4. For a certain ideal gas R = 25.8 ft.lb /lb °R and k =1.09 a. What are the values of cp and cv? b. What mass of this gas would occupy a volume of 15 cu ft at 75 psia and 80 °F? C. If 30 Btu are transferred to this gas at constant volume in (b), what are the resulting temperature and pressure?1. Let's say that we have 3.68 L of a gas was at an unknown pressure. However, at standard pressure, its volume was determined to be 9.20 L. We need to solve for the unknown pressure?
- A. 0.80 m³ D. 7.0 m³ B. 1.25 m³ E. 11 m³ C. 1.9 m³ F. none of the above 1--1 NRDHW A helium-filled balloon has volume 3.5_m³, temperature 21.6°C, and pressure 1 atm while at sea level. If the balloon rises to 27000 ft, where the temperature is 5.1°C and the pressure is about 1/3 of its sea-level value, then find the new volume of the balloon. 7. A. 6.873 m³ D. 14.73 m³ B. 9.912 m³ E. 9.869 m³ C. 15.41 m³ F. 13.31 m³ 1--1 [carpet-6] MXJWA A 4.2 L volume of neon gas (Ne) is at a pressure of 4.1 atm and a temperature of 460 K. The atomic mass of neon is 20.2_g/mol, and the ideal gas constant is R = 8.314.J/mol K. The mass of the neon gas is closest to6. A container filled with a sample of an ideal gas at the pressure of 1.5atm. The gas is compressed isothermally to one-fourth of its original volume. What is the new pressure of the gas?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 K