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Steam at 2100 kPa and 533.15 K (260°C) expands at constant enthalpy (as in a throttling process) to 125 kPa. What is the temperature of the steam in its final state and what is its entropy change? What would be the final temperature and entropy change for an ideal gas?
The feed media to a fermentation reactor consists of glucose solution in water with added nutrients and has specific gravity 1.03 at 40 ºC. Determine the size of control valve to use for a normal design flow rate of 0.2 m3 /h if the valve is sized..
Steam in a closed system is compressed by reversible isothermal process in a heat bath at 250 °C, starting from an initial pressure of 15 bar. During the process, the steam transfers 2000 kJ/kg of heat to the bath. Determine the final state and th..
Design the most efficient centrifugal pump that produces 200 gpm (45.5cumeters/hr) water flow rate at 100 psi (680 kPa) head. Specify the impellor diameter and width for a 3400 rpm service.
This solution is then reacted with an acidic solution containing periodate ion; the products are the permanganate and iodate ions. Write balanced chemical equations for both these steps.
For an ideal gas (this is an assumption that can be made under certain conditions including low pressure and high volume in which it is assumed that the molecules in a system either do not touch OR their collisions are completely elastic), the pressu..
Into a barrel containing 33.2 bbl (US) of water containing 0.0012 mol/L of a blue dye you pour V2 yd3 of water containing 8.91 M of the dye. The final concentration of the dye in the barrel is 7.91 mol/m3 after it's well-mixed. What is V2 is yd^3?
A three-phase, 60-Hz substation bus supplies two wye-connected loads that are connected in parallel through a three-phase feeder that has a per phase impedance of 0.5 + j2 Ω. Load 1 draws 50 kW at 0.866 lagging PF, and load 2 draws 36 kVA at 0.9 l..
Explain why the resting potential does not equal the Nernst potential of any of the ions
Compute the efficiency at one-half load, assuming that the stray-loss and rotational losses do not change with load.
prepare an approximate plot of temperature versus concentration
Does this distribution fit a normal distribution curve?
Look up the boiling point of propane. What disadvantages are there to using propane instead of gasoline as a fuel?
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