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A student mixes four reagents together, thinking that the solutions will neutralize each other. The solutions mixed together are 50.0 mL of 0.100 M hydrochloric acid, 100.0 mL of 0.200 M of nitric acid, 500.0 mL of 0.0100 M calcium hydroxide, and 200.0 mL of 0.100 M rubidium hydroxide. Is the resulting solution neutral? If not, calculate the concentration of excess H or OH ions left in solution.
Natural gas composed of 60. mol% methane, 30. mol% ethane, and 10. mol% propane at 25 °C and 500. psia is fed at a rate of 50. m3/hr into a boiler. In the boiler it is blended with enough air to provide 20% excess oxygen and combusted.
explain how a supercritical flow changes to a subcritical flow. You may need to refer text books and web pages to answer this question.
What is fugacity? How does it relate the chemical properties of ideal gases to real gasses and what is the equation for it?
Water at 1 bar, 20 °C is heated at const P to produce steam with quality 95%. What is the amount of heat? What is the final state if the amount of heat is 2100 kJ/kg?
The left side of of the mechanical energy equation has three terms: P/p, (1/2)av^2 and gz. show that each of these terms has the dimension of energy per mass of fluid by....a) converting each term to units of Btu/lbm beginning with pressure in psi, d..
200 kg of carbon dioxide are stored in a tank at 25 °C and 70 bar. Is carbon dioxide an ideal gas under the conditions in the tank?
A vapour stream that is 65 mole% styrene and 35 mole% toluene is in equilibrium with a liquid mixture of the same two species. The pressure in the system is 20 kPa. Use Raoult's law to estimate the composition of the liquid and the system temperat..
Calculate the new rotor current frequency.
Calculate the output torque if the rotational loss at this slip is 400 W.
A storage tank is purged continuously with a stream of nitrogen. The purge stream leaving the tank is saturated with the product stored in the tank.
A Carnot cycle operates in a closed system using steam: saturated liquid at 20 bar (state A) is heated isothermally until it becomes saturated vapor (state B), expanded by reversible adiabatic process to 10 bar (state C), partially condensed to st..
Evaporation of Sugar Solution in Double Effect Evaporator. A double-effect evaporator with reverse feed is used to concentrate 4536 kg/h of a 10 wt %sugar solution to 50%. Correct equations for the mass, energy balances: Correct inputs& constraints..
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