A stack gas at 1 atm and 440oC contains 1100 ppm NO2. If the stack gas is emitted at the rate of 15,000 m3/min, what is the NO2 emission rate in grams per second?
A stack gas at 1 atm and 440oC contains 1100 ppm NO2. If the stack gas...
If the stack diameter is 1.2 m and velocity of flue gas from stack exit is 10 m/s, what is the concentration of SO2 in the ambient air in microgram per cubic metter (µg/m3) at 25 °C and 1 atmospheric pressure if the emission monitoring device measures SO2 in the flue gas as 200 ppm at exit temperature of 80°C and pressure of 2 atmospheric?
Problem #3 The TLV-TWA for hydrogen sulfide gas is 10 ppm. Hydrogen sulfide gas is stored in a tank at 100 psig and 80°F. Estimate the diameter of a hole in the tank leading to a local hydrogen sulfide concentration equal to the TLV. The local ventilation rate is 2500 ft/min and is deemed average. The ambient pressure is 1 atm.
An environmental engineer is sampling the stack gas produced by a coal-burning power plant. The stack gas (a mixture of carbon dioxide, sulfur dioxide, and water) is pumped into a 20.0 liter cylinder at a pressure of 1.20 atm, and a temperature of 325 K. It is determined that the sample contains 0.315 mol of C02 and 0.494 mol of H20 a) How many moles of sulfur dioxide were present in the sample? b) What is the partial pressure (in...
A gas cylinder contains a gas at 5.25 atm pressure. When the gas is allowed to expand to a final volume of 12.5 L, the pressure drops to 1.85 atm. What was the original volume of the gas?
7. (3) You have a mixture of gas that contains 0.24 atm CO2, 0.52 atm N2 and 0.85 atm 02 gas. What is the total pressure of this gas? What is the percent of each gas in the total mixture?
20. A developer in Brooklyn wishes to construct a 3-story, 120,000 f? retail building, that is 36' tall. There is stack on 8' above the roof. The stack is 230" from a 6-story apartment building (72' tall) to the east. It is also 130' from a4- story building to the north. The benzene emissions from the stack are 2 grams per second. What is the maximum worst-case benzene concentration in ug/m3 for a I hr averaging time period at each...
a balloon contains gas at a pressure 1.2 atm (1 atm=101.3kpa) and has a volume of 0.10m^3. more gas is pumped into the balloon at a constant pressure until the volume is doubled. how much work is done by the pump? A) 12 J B) 24 KJ C) 24 J D)12 KJ E) 6.1 KJ
1. Calculate the density of NO2 gas at 0.990 atm and 35 ∘C. Express your answer using three significant figures using g/L 2. Calculate the molar mass of a gas if 2.50 g occupies 0.875 L at 685 torr and 35 ∘C. Express your answer using three significant figures using g/mol
(a) A piston at 4.9 atm contains a gas that occupies a volume of 3.5 L. What pressure would have to be placed on the piston to force the volume to adjust to 0.81 L? atm (b) A piston at 81.0°C contains a gas that occupies a volume of 2.5 L. To what temperature would the gas have to be heated to increase the volume to 7.1 L at constant pressure? °C (c) A piston at 7345 torr contains a...
A nitrox ll gas mixture for scuba diving contains oxygen gas ar 53 atm and nitrogen gas at 94 atm. What is the total pressure, in torr?