A tank contains methane at 1000psia and 140F. Another tank of equal volume contains ethane at...

A tank contains methane at 1000psia and 140F. Another tank of equal volume contains ethane at 500psia and 140F. The two tanks are connected, the gases are allowed to mix and the temperature is restored to 140F. Calculate the final pressure, the composition of the mixture, and the partial pressures of the components at final conditions. Do not assume that ideal gas equations apply.

Z-factor for methane is 0.95, and ethane is 0.77

Expert Solution

Solution.

The equation is

The amount of methane is

The amount of ethane is

The composition of mixture is by amount.

If V_tank = 1, the volume of each container is 0.5 and partial pressure of methane is

p = nzRT = 0.163(0.95)(10.732)(140+460)/2 = 498.6 psia

the partial pressure of ethane is

p = nzRT = 0.101(0.77)(10.732)(140+460)/2 = 250.4 psia

Therefore, the final pressure is 250.4+498.6=749.0 psia.

queen_honey_blossom answered 2 years ago

A sample of natural gas contains 8.24 moles of methane, 0.421 moles of ethane, and 0.116...

A sample of natural gas contains 8.24 moles of methane, 0.421 moles of ethane, and 0.116 moles of propane. If the total pressure of the gases is 1.23 x 103 mm Hg, what is the partial pressure of ethane? (Show your check) a.1.29 atm b.0.0656 atm c.0.0214 atm d.1.52 atm e.0.0776 atm

A fuel gas containing 77% methane, 7% ethane and rest propane by volume. The fuel flows...

A fuel gas containing 77% methane, 7% ethane and rest propane by volume. The fuel flows to a combustion chamber at the rate of 1321 m^3/h at 15C and 150 kPA (gauge) where it is burned with 8% excess air entering at 20C. ROund your answer to the nearest whole number. a) WHat is the propane percent in the fuel gas? b) What is the actual number of moles of fuel flowing into the combustion chamber? c) What is the...

A gaseous fuel mixture contains 20.7% methane (CH4), 44.0% ethane (C2H6) and the rest propane (C3H8)...

A gaseous fuel mixture contains 20.7% methane (CH4), 44.0% ethane (C2H6) and the rest propane (C3H8) by volume. Part A When the fuel mixture contained in a 1.57 L tank, stored at 756 mmHg and 298 K, undergoes complete combustion, how much heat is emitted? (Assume that the water produced by the combustion is in the gaseous state.) Express your answer with the appropriate units.

A gas contains 55.0 wt% methane, 5.00 wt% ethane, 35.0 wt% ethylene, and the balance water....

A gas contains 55.0 wt% methane, 5.00 wt% ethane, 35.0 wt% ethylene, and the balance water. If 100.0 kg/h of this fuel is to be burned with 30.0% excess air, what is the required air feed rate? in kmol/h What is the required feed rate if the combustion is only 75.0% complete? in kmol/h

A rigid tank contains hydrogen and has a volume of 4.1 ft3. It is initially at...

A rigid tank contains hydrogen and has a volume of 4.1 ft3. It is initially at 87°F and 1,072 psia. Hydrogen then leaks from the tank until it is 76°F and 158 psia. How much heat transfer occurred into the tank, in Btu. Answer negative if heat left the tank.

A rigid tank with a volume of 20 litres initially contains water at 0.1 degree of...

A rigid tank with a volume of 20 litres initially contains water at 0.1 degree of dryness and a pressure of 175 KPA. A steam disposal Valve is located at the top of the tank. Adding heat and steam by throwing the final case degree of dryness 0.4 and pressure 150 kPa is desired to be made. How much mass is ejected and what is the entropy produced. Heat source temperature 1000 K.

A rigid and closed steel tank with a volume of 86 dm 3 contains a mixture...

A rigid and closed steel tank with a volume of 86 dm 3 contains a mixture of saturated vapor and liquid at a quality and pressure of 0.9 and 20 bar respectively. Heat is removed from the system until it reaches 147 ° C. What is the volume of the saturated liquid phase at the end state?

A storage tank at STP contains 21.6 kgkg of nitrogen (N2)(N2). a. What is the volume...

A storage tank at STP contains 21.6 kgkg of nitrogen (N2)(N2). a. What is the volume of the tank? b.What is the pressure if an additional 32.7 kgkg of nitrogen is added without changing the temperature?

A tank with a volume of 0.6 m3 contains 12 kg of refrigerant-134a at -220C. Calculate...

A tank with a volume of 0.6 m3 contains 12 kg of refrigerant-134a at -220C. Calculate the pressure of the refrigerant (a), (b) the total internal energy (kJ) and (c) the volume occupied by the liquid phase (m3).

A rigid tank contains a saturated liquid-vapour mixture of water in an equilibrium state. The volume...

A rigid tank contains a saturated liquid-vapour mixture of water in an equilibrium state. The volume of the tank is 110 m3 and the temperature of the water in the tank is 115°C. In the tank, 70% of the mass is liquid and 30% of the mass is vapour. Please calculate the total mass of water in the tank.

Question