Find the specific volume (m³/kg) for water at 10 kPa, 50°C Find the specific volume (m³/kg) for water at 200 kPa, 200 °C What is the specific volume (m³/kg) of air at 350 kPa and 17 °C? Treat air as an ideal gas.
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- Ideal Gas Law The pressure P, temperature T, and volume V ofan ideal gas are related by PV = nRT, where n is the number ofmoles of the gas and R is the universal gas constant. For the pur-poses of this exercise, let nR = 1; therefore, P = T/V.a. Suppose that the volume is held constant and the temperatureincreases by ∆T = 0.05. What is the approximate change inthe pressure? Does the pressure increase or decrease?b. Suppose that the temperature is held constant and the volumeincreases by ∆V = 0.1. What is the approximate change in thepressure? Does the pressure increase or decrease?c. Suppose that the pressure is held constant and the volume in-creases by ∆V = 0.1. What is the approximate change in thetemperature? Does the temperature increase or decrease?Emergency life rafts are often filled with CO2. Assuming ideal gas behavior, a temperature of 25°C, and a raft gage pressure of 10 kPa, determine the mass of CO2 required to fill a raft with a volume of (0.5 + 2/100) m³. (Assume an ambient pressure of 1.0 standard atm.)+ |/ 00 %24 D. Two bulbs are connected by a stopcock. The 7.50 L bulb contains nitric oxide (NO) at a pressure of 0.340 bar, and the 2.50 L bulb contains oxygen (O,) at a pressure of 0.510 bar. 02 ON After the stopcock is opened, the gases mix and react to produce nitrogen dioxide (CON) 2 NO(g) + 0,(g) – 2 NO,(g) Considering that the volume remains unchanged during the experiment, how does the total pressure in the bulbs change if the reaction is allowed to go to completion? The total pressure will remain constant. O There is not enough information to determine how the total pressure will change. O The total pressure will decrease. O The total pressure will increase. MacBook Pro ( The %23 %24 7. 4. 5. 3. R %3D K. H. B C. option command MOSISO
- Two flasks of equal volume are connected by a narrow tube (of negligible volume). Initially, both flasks are at 27°C and contain 0.70 moles of hydrogen gas, the pressure being 50,000 Pa. One of the flasks is then immersed in a hot oil bath at 127°C, while the other is kept at 27°C. Calculate the final pressure of the system, in Pa. Calculate the final number of moles of hydrogen gas in the flask that was immersed in the oil bath. R = 0.08205 L atm mol-¹ K-₁ T(K) = T (°C) + 273.15A fuel has the following volumetric analysis: CH4 = 68% C2H6 = 32% Assume complete combustion with 15% excess aur at 101.325 kPa and 27 degrees dry bulb temperature. What is the total moles in the products of combustion?Calculate the partial pressure in atm of each gas in a mixture of gases. In a tank containing 16.00 grams of carbon dioxide, 26.50 g of nitrogen gas, and 8.00 grams oxygen gas for a total pressure of 80.0 kPa. Conversion: 1 atm = 101.325 kPa; MW(CO2) = 44.01 g/mol;MW(N2) = 28.0 g/mol; and MW(O2) = 32.0 g/mol. The pCO2, pN2, and pO2 in atm are .........., ............, and .............., respectively in 3 sig. figures.
- What is the effect of the following on the volume of 1 mol of an ideal gas?(a) The pressure is reduced by a factor of 4 (at constant T).(b) The pressure changes from 760 torr to 202 kPa, and the tem-perature changes from 37°C to 155 K.(c) The temperature changes from 305 K to 32°C, and the pres-sure changes from 2 atm to 101 kPa.What final pressure must be applied to a sample of gas having a volume of 635 mL at 30.oC and 106 kPa pressure to permit the expansion of the gas to a volume of 302 mL at 30.oC? (223 kPa)For many purposes we can treat ammonia (NH,) as an ideal gas at temperatures above its boiling point of – 33. °C. Suppose the temperature of a sample of ammonia gas is raised from – 19.0 °C to 21.0 °C, and at the same time the pressure is changed. If the initial pressure was 0.29 kPa and the volume increased by 35.0%, what is the final pressure? Round your answer to 2 significant digits. | kPa APR 24 W 80 888 DII DD F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 23 2$ &
- One type of gas mixture used in anesthesiologyis a 50%/50% mixture (by volume) of nitrous oxide (N2O) and oxygen(O2), which can be premixed and kept in a cylinder for later use.Because these two gases don’t react chemically at or below 2000 psi, attypical room temperatures they form a homogeneous single gas phase,which can be considered an ideal gas. If the temperature drops below-6C, however, N2O may begin to condense out of the gas phase. Thenany gas removed from the cylinder will initially be nearly pure O2; asthe cylinder empties, the proportion of O2 will decrease until the gascoming from the cylinder is nearly pure N2O. In a hospital, pure oxygen may be delivered at 50 psi (gaugepressure) and then mixed with N2O. What volume of oxygen at 20Cand 50 psi (gauge pressure) should be mixed with 1.7 kg of N2O toget a 50%/50% mixture by volume at 20C? (a) 0.21 m3; (b) 0.27 m3;(c) 1.9 m3; (d) 100 m3One type of gas mixture used in anesthesiologyis a 50%/50% mixture (by volume) of nitrous oxide (N2O) and oxygen(O2), which can be premixed and kept in a cylinder for later use.Because these two gases don’t react chemically at or below 2000 psi, attypical room temperatures they form a homogeneous single gas phase,which can be considered an ideal gas. If the temperature drops below-6C, however, N2O may begin to condense out of the gas phase. Thenany gas removed from the cylinder will initially be nearly pure O2; asthe cylinder empties, the proportion of O2 will decrease until the gascoming from the cylinder is nearly pure N2O. In another test, the valve of a 500 L cylinder full of the gas mixture at 2000 psi (gauge pressure) is opened wide so that the gas rushes out of the cylinder very rapidly. Why might some N2O condense during this process? (a) This is an isochoric process in which the pressure decreases, so the temperature also decreases. (b) Because of the rapid expansion, heat is…If 15.1 g of the mixture with a volumetric composition of 45% N2, 35% O2 and 20% X gas is applying 3 atm pressure to a 5 dm3 volume vessel at 25 ° C, in which option is the molecular weight of X gas given correctly? (MN2: 28 gmol-1, MO2: 32 gmol-1)