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a.) An adiabatic turbine expands steam from 500oC , 3.5 MPa to 200oC and 0.3 MPa. If the turbine generates 750 kW, what is the flow rate of steam through the turbine? b.) If a breakdown of the thermal insulation around the turbine allows a heat loss of 60 kJ per kg of stream, and the exiting steam is at 150oC and 0.3 MPa, what will be the power developed by the turbine if the inlet steam conditions and flow rate are unchanged?
A sample of glucose, C6H12O6, contains 1.265 x 1021 carbon atoms. (a) How many atoms of hydrogen does it contain?
The solubility of O2 in water is 0.590 g/L at an oxygen pressure of 15 atm. What is the Henry's law constant for O2 (in units of L atm/mol)
Explain how to purify a product using each of the 3 different techniques, elaborate on what these techniques achieve at the molecular level.
A gas occupies a volume of 2.45 L at a pressure of 1.03 atm. What volume will the gas occupy as the pressure changes to 0.980 atm.
Indicate the hybridization for each carbon and nitrogen atom in this molecule, then draw an orbital overlap picture for the molecule.
How many grams of dry NH_4Cl need to be added to 1.60 L of a 0.800 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.99? Kb for ammonia is 1.8*10^{-5}.
explain the following given for each statement in determining the sequence of peptide with concise (short) but complete response. you must state the specificity of each statement implication in determining the sequence of octapeptide.
the pressure of a sample of a 1000 mL sample of gas at 10.0C increases from 700 mm Hg to 900 mm Hg. If the volume is unchanged, what is the new temperature
An industrial chemist 2.00 moles each of h2 and co2 in a 2.00 L container at constant temperature of 800 degree celcuis. this reaction occurs:
A solution of glyceraldehyde, C3H6O3, has a density of 1.15 g/mL, and a mass percentage of 28.1% glyceraldhyde at 25 deg C. (molar mass = 90.078g/mol)
Draw products A through E for the following series of reactions. If both ortho and para product would form, continue on only with the para product, but mention that ortho would also be a product.
Two methods for determining Hg in coal fly ash using atomic absorption were used to see if both methods would give the same results. In the first method only HNO3 is used for digestion,
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